Air-Cooled Series RÃ¢ÂÂ¢ Helical-Rotary Liquid Chiller

Air-Cooled Series R 

Helical-Rotary Liquid Chiller 

Model RTAC 120 to 400 

(400 to 1500 kW – 50 Hz) 

Built for the Industrial and 

Commercial Markets 

Model RTAC size 155 

RLC-PRC005-E4

Introduction 

The Trane Model RTAC Air-Cooled 

Helical-Rotary Chiller is the result of 

a search for higher reliability, higher 

energy efficiency, and lower sound 

levels for today’s environment. 

In an effort to reduce energy 

consumed by HVAC equipment and 

to continually produce chilled water, 

Trane has developed the Model 

RTAC chiller with higher efficiencies 

and a more reliable design than any 

other air-cooled chiller available on 

the market today. 

The Model RTAC chiller uses the 

proven design of the Trane helicalrotary 

compressor, which embraces 

all of the design features that have 

made the Trane helical-rotary 

compressor liquid chillers such a 

success since 1987. 

Figure 1 - Model RTAC size 350 

What Is New 

The RTAC offers high reliability 

coupled with greatly improved 

energy efficiency, vastly reduced 

physical footprint, and improved 

acoustical performance, due to its 

advanced design, low-speed, directdrive 

compressor, and proven 

Series R performance. 

The major advantages of the 

Series R, Model RTAC are: 

99.5% reliability rate 

Smaller physical footprint 

Lower sound levels 

Higher energy efficiency 

Designed specifically for 

operating with environmentallysafe 

HFC-134a. 

The Series R Model RTAC helicalrotary 

chiller is an industrial-grade 

design, built for both the industrial 

and commercial markets. It is ideal 

for schools, hospitals, retailers, 

office buildings, and industrial 

applications. 

©American Standard Inc. 2002 RLC-PRC005-E4

RLC-PRC005-E4 

Contents 

Introduction 

Features and Benefits 

Options 

Application Considerations 

Selection Procedure 

General Data 

Performance Data 

Controls 

Job Site Data 

Electrical Data 

Dimensional Data 

Mechanical Specifications 

3 

2 

4 

9 

10 

13 

14 

28 

42 

46 

47 

50 

55


The Series R 

Helical-Rotary Compressor 

Unequaled reliability. The next 

generation Trane helical-rotary 

compressor is designed, built, 

and tested to the same 

demanding and rugged standards 

as the Trane scroll compressors, 

the centrifugal compressors, and 

the previous generation helicalrotary 

compressors used in both 

air- and water-cooled chillers for 

more than 15 years. 

Years of research and testing. The 

Trane helical-rotary compressor 

has amassed thousands of hours 

of testing, much of it at severe 

operating conditions beyond 

normal commercial airconditioning 

applications. 

Proven track record. The Trane 

Company is the world’s largest 

manufacturer of large helicalrotary 

compressors used for 

refrigeration. Over 300,000 

compressors worldwide have 

proven that the Trane helicalrotary 

compressor has a reliability 

rate of greater than 99.5% in the 

first year of operation— 

unequalled in the industry. 

Resistance to liquid slugging. The 

robust design of the Series R 

compressor can ingest amounts 

of liquid refrigerant that normally 

would severely damage 

reciprocating compressor valves, 

piston rods, and cylinders. 

Fewer moving parts. The helicalrotary 

compressor has only two 

rotating parts: the male rotor and 

the female rotor. Unlike 

reciprocating compressors, the 

Trane helical-rotary compressor 

has no pistons, connecting rods, 

suction and discharge valves, or 

mechanical oil pump. In fact, a 

typical reciprocating compressor 

has 15 times as many critical parts 

as the Series R compressor. Fewer 

moving parts leads to increased 

reliability and longer life. 

Direct-drive, low-speed, semihermetic 

compressor for high 

efficiency and high reliability. 

Field-serviceable compressor for 

easy maintenance. 

Suction-gas-cooled motor. The 

motor operates at lower 

temperatures for longer motor 

life. 

Five minute start-to-start and two 

minute stop-to-start anti-recycle 

timer allows for closer water-loop 

temperature control. 

4 RLC-PRC005-E4

Improved Acoustical 

Performance 

Sound levels are reduced 

significantly by addressing two 

major sources: the compressor and 

the refrigerant piping. First, the 

compressor has been specifically 

designed to minimize sound 

generation. Second, the refrigerant 

components and piping have been 

optimized to reduce sound 

propagation throughout the system. 

Superior Efficiency Levels: 

The Bar Has Been Raised 

The standard-efficiency Trane Model 

RTAC has COP levels up to 

2.90 kW/kW [9.9 EER] (including 

fans), while the premium-efficiency, 

or high-efficiency, units leap to COP 

levels of 3.10 kW/kW [10.58 EER] 

(including fans). 

The modern technology of the RTAC 

with the efficient direct-drive 

compressor, the unique evaporator 

design, the electronic expansion 

valve, and the revolutionary Tracer 

Chiller Controls, has permitted Trane 

to achieve these efficiency levels, 

unmatched in the industry. 

Precise Rotor Tip Clearances 

Higher energy efficiency in a helicalrotary 

compressor is obtained by 

reducing the rotor tip clearances. 

This next-generation compressor is 

no exception. With today’s 

advanced manufacturing 

technology, clearances can be 

controlled to even tighter 

tolerances. This reduces the leakage 

between high- and low-pressure 

cavities during compression, 

allowing for more efficient 

compressor operation. 

RLC-PRC005-E4 


Figure 2 - Cutaway of a compressor 

Capacity Control and Load 

Matching 

The combination patented 

unloading system on Trane helicalrotary 

compressors uses the 

variable unloading valve for the 

majority of the unloading function. 

This allows the compressor to 

modulate infinitely, to exactly match 

building load and to maintain 

chilled-water supply temperatures 

within ± 0.3°C [±0.5°F] of the set 

point. Reciprocating and helicalrotary 

chillers that rely on stepped 

capacity control must run at a 

capacity equal to or greater than the 

load, and typically can only 

maintain water temperature to 

around ± 1°C [±2°F]. Much of this 

excess capacity is lost because 

overcooling goes toward removing 

building latent heat, causing the 

building to be dried beyond normal 

comfort requirements. When the 

load becomes very low, the 

compressor also uses a step 

unloader valve, which is a single 

unloading step to achieve the 

minimum unloading point of the 

compressor. The result of this 

design is optimized part-load 

performance far superior to single 

reciprocating compressors and 

step-only helical-rotary 

compressors. 

5


Compact Physical Size 

The Trane Model RTAC 120 to 200 

chiller averages a 20% reduction in 

physical footprint, when compared 

against the previous design. This 

improvement makes the RTAC the 

smallest air-cooled chiller in the 

industry and a prime candidate for 

installations that have space 

constraints. All physical sizes were 

changed without sacrificing the side 

clearances needed to supply fresh 

airflow without coil starvation—the 

tightest operational clearances in 

the industry. 

Close Spacing Installation 

The air-cooled Series R chiller has 

the tightest recommended side 

clearance in the industry, 

1.2 meters, but that is not all. In 

situations where equipment must 

be installed with less clearance than 

recommended, which frequently 

occurs in retrofit applications, 

restricted airflow is common. 

Conventional chillers may not work 

at all. However, the air-cooled Series 

R chiller with the Adaptive Control 

microprocessor will make as much 

chilled water as possible given the 

actual installed conditions, stay online 

during any unforeseen 

abnormal conditions, and optimize 

its performance. Consult your sales 

engineer for more details. 

Factory Testing Means Trouble-Free 

Start-up 

All air-cooled Series R chillers are 

given a complete functional test at 

the factory. This computer-based 

test program completely checks the 

sensors, wiring, electrical 

components, microprocessor 

function, communication capability, 

expansion valve performance, and 

fans. In addition, each compressor 

is run-tested to verify capacity and 

efficiency. Where applicable, each 

unit is factory preset to the 

customer’s design conditions. An 

example would be the leavingliquid 

temperature set point. The 

result of this test program is that 

the chiller arrives at the job site fully 

tested and ready for operation. 

Factory-Installed and Tested 

Controls and Options Speed 

Installation 

All Series R chiller options, 

including main power-supply 

disconnect, low ambient control, 

ambient temperature sensor, low 

ambient lockout, communication 

interface and ice-making controls 

are factory installed and tested. 

Some manufacturers send 

accessories in pieces to be field 

installed. With Trane, the customer 

saves on installation expense and 

has assurance that ALL chiller 

controls and options have been 

tested and will function as 

expected. 

6 RLC-PRC005-E4

Figure 3 - Ice storage demand cost 

savings 

LOAD 

MN 6 A.M. NOON 6 P.M. MN 

RLC-PRC005-E4 

ICE 

CHILLER 


Superior Control with 

Tracer Chiller Controls 

The Adaptive Control 

microprocessor system enhances 

the air-cooled Series R chiller by 

providing the very latest chiller 

control technology. With the 

Adaptive Control microprocessor, 

unnecessary service calls and 

unhappy tenants are avoided. The 

unit does not nuisance-trip or 

unnecessarily shut down. Only 

when the Tracer chiller controls have 

exhausted all possible corrective 

actions, and the unit is still violating 

an operating limit, will the chiller 

shut down. Controls on other 

equipment typically shut down the 

chiller, usually just when it is 

needed the most. 

For Example: 

A typical five-year-old chiller with 

dirty coils might trip out on highpressure 

cutout on a 38°C [100°F] 

day in August. A hot day is just 

when comfort cooling is needed the 

most. In contrast, the air-cooled 

Series R chiller with an Adaptive 

Control microprocessor will stage 

fans on, modulate the electronic 

expansion valve, and modulate the 

slide valve as it approaches a highpressure 

cutout, thereby keeping 

the chiller on line when you need it 

the most. 

System Options: Ice Storage 

Trane air-cooled chillers are wellsuited 

for ice production. The 

unique ability to operate at 

decreased ambient temperature 

while producing ice results in 

approximately the same amount of 

work for the compressor. An aircooled 

machine typically switches 

to ice production at night. Two 

things happen under this 

assumption. First, the leaving brine 

temperature from the evaporator is 

lowered to around -5.5 to -5°C [22 to 

24°F]. Second, the ambient 

temperature has typically dropped 

about 8.3 to 11°C [15 to 20°F] from 

the peak daytime ambient. This 

effectively places a lift on the 

compressors that is similar to 

daytime running conditions. The 

chiller can operate in lower ambient 

at night and successfully produce 

ice to supplement the next day’s 

cooling demands. 

The Model RTAC produces ice by 

supplying ice storage tanks with a 

constant supply of glycol solution. 

Air-cooled chillers selected for these 

lower leaving-fluid temperatures 

are also selected for efficient 

production of chilled fluid at 

nominal comfort-cooling conditions. 

The ability of Trane chillers to serve 

“double duty” in ice production and 

comfort cooling greatly reduces the 

capital cost of ice-storage systems. 

When cooling is required, ice-chilled 

glycol is pumped from the ice 

storage tanks directly to the cooling 

coils. No expensive heat exchanger 

is required. The glycol loop is a 

sealed system, eliminating 

expensive annual chemical 

treatment costs. The air-cooled 

chiller is also available for comfortcooling 

duty at nominal cooling 

conditions and efficiencies. The 

modular concept of glycol icestorage 

systems, and the proven 

simplicity of Trane Tracer controls, 

allow the successful blend of 

reliability and energy-saving 

performance in any ice-storage 

application. 

The ice-storage system is operated 

in six different modes, each 

optimized for the utility cost at a 

particular time of day. 

1. Provide comfort cooling with 

chiller 

2.Provide comfort cooling with ice 

3.Provide comfort cooling with ice 

and chiller 

4.Freeze ice storage 

5.Freeze ice storage when comfort 

cooling is required 

6.Off 

7


Tracer optimization software 

controls operation of the required 

equipment and accessories to easily 

move from one mode of operation 

to another. For example: even with 

ice-storage systems, there are 

numerous hours when ice is neither 

produced nor consumed, but saved. 

In this mode, the chiller is the sole 

source of cooling. For example, to 

cool the building after all ice is 

produced but before high electric aldemand 

charges take effect, Tracer 

sets the air-cooled chiller leavingfluid 

set point to its most efficient 

setting and starts the chiller, chiller 

pump, and load pump. 

When electrical demand is high, the 

ice pump is started and the chiller is 

either demand limited or shut down 

completely. Tracer controls have the 

intelligence to optimally balance 

the contribution of the ice and the 

chiller in meeting the cooling load. 

The capacity of the chiller plant is 

extended by operating the chiller 

and ice in tandem. Tracer rations the 

ice, augmenting chiller capacity 

while reducing cooling costs. When 

ice is produced, Tracer will lower the 

air-cooled chiller leaving-fluid set 

point and start the chiller, ice and 

chiller pumps, and other 

accessories. Any incidental loads 

that persists while producing ice 

can be addressed by starting the 

load pump and drawing spent 

cooling fluid from the ice storage 

tanks. 

For specific information on ice 

storage applications, contact your 

local sales office. 

8 RLC-PRC005-E4

High Efficiency and 

Performance Option 

This option provides oversized heat 

exchangers with two purposes. 

One, it allows the unit to be more 

energy efficient. Two, the unit will 

have enhanced operation in highambient 

conditions. 

Low-Temperature Brine 

The hardware and software on the 

unit are factory set to handle lowtemperature 

brine applications, 

typically below 5°C [41°F]. 

Ice Making 

The unit controls are factory set to 

handle ice making for thermal 

storage applications. 

Tracer Summit Communication 

Interface 

Permits bi-directional 

communication to the Trane 

Integrated Comfort system. 

LonTalk® Communication Interface 

LCI-C 

Provides the LonMark® chiller 

profile input/outputs for use with a 

generic BAS (Building Automation 

System) 

Remote Input Options 

Permits remote chilled-liquid set 

point, remote current-limit set point, 

or both, by accepting a 4-20 mA or 

2-10 VDC analog signal. 

Remote Output Options 

Permits alarm relay outputs, icemaking 

outputs, or both. 

Protection Grilles 

Protection grilles cover the 

complete condensing coils and the 

service areas beneath the coils. 

Coil Protection 

A coated wire mesh that covers the 

condenser coils only. 

RLC-PRC005-E4 

Options 

Condenser Corrosion Protection 

Copper fins and Black Epoxy Coated 

aluminium fins are available on all 

sizes for corrosion protection. Job 

site conditions should be matched 

with the appropriate condenser fin 

materials to inhibit coil corrosion 

and ensure extended equipment 

life. 

Service Valves 

Provides a service valve on the 

suction lines of each circuit to 

facilitate compressor servicing. 

High-Ambient Option 

The high-ambient option consists of 

special control logic to permit highambient 

(up to 52°C [125°F]) 

operation. This option offers the 

best performance when coupled 

with the premium efficiency and 

performance option. 

Low-Ambient Option 

The low-ambient option consists of 

special control logic and fans to 

permit low-ambient (down to -18°C 

[0°F]) operation. 

Power Disconnect Switch 

A disconnect switch with a throughthe-door 

handle, plus compressor 

protection fuses, is provided to 

disconnect main power. 

Neoprene Isolators 

Isolators provide isolation between 

the chiller and the structure to help 

eliminate vibration transmission. 

Neoprene isolators are more 

effective and recommended over 

spring isolators. 

Victaulic Connection Kit 

Provides a kit that includes a set of 

two pipe stubs and Victaulic 

couplings. 

Low Noise Version 

The unit is equipped with low-speed 

fans and a compressor soundattenuating 

enclosure. All the 

sound-emitting parts, like 

refrigerant lines are acoustically 

treated with sound-absorbent 

material. 

Night Noise Setback 

At night, on contact closure all the 

fans run at low speed, bringing the 

overall sound level further down. 

Only available on Low Noise, 

non High Ambient units. 

Ground Fault Detection 

Sensing ground current for 

improved chiller protection. 

Pressure Gauges 

A set of two pressure gauges per 

refrigerant circuit, one for low 

pressure and one for high pressure. 

Flow Switch 

For field installation on the chilledwater 

outlet connection. 

Under/Over-voltage protection 

Controls the variation of the power 

supply voltage. If the value exceeds 

the minimum or maximum voltage, 

the unit is shut down. 

IP20 protection 

Provides a protection against direct 

contacts inside the control panel. 

The current-carrying parts are 

shrouded in order to prevent 

accidental contact. 

9

Figure 4 - GPM Out of Range 

10°C 

7.6 L/s 

13.7°C 

7.6 L/s 

CV pump 

7.5 L/s 

10°C 

2.5 L/s 

Important 

Certain application constraints 

should be considered when sizing, 

selecting, and installing Trane aircooled 

Series R chillers. Unit and 

system reliability is often dependent 

on properly and completely 

complying with these 

considerations. When the 

application varies from the 

guidelines presented, it should be 

reviewed with your local sales 

engineer. 

Unit Sizing 

Unit capacities are listed in the 

performance data section. 

Intentionally oversizing a unit to 

ensure adequate capacity is not 

recommended. Erratic system 

operation and excessive 

compressor cycling are often a 

direct result of an oversized chiller. 

In addition, an oversized unit is 

usually more expensive to 

purchase, install, and operate. If 

oversizing is desired, consider using 

two units. 

Water Treatment 

Dirt, scale, products of corrosion, 

and other foreign material will 

adversely affect heat transfer 

between the water and system 

components. Foreign matter in the 

chilled-water system can also 

increase pressure drop and, 

consequently, reduce water flow. 

Proper water treatment must be 

determined locally, depending on 

the type of system and local water 

characteristics. Neither salt nor 

brackish water is recommended for 

use in Trane air-cooled Series R 

10°C 

5 L/s 


15.6°C 

5 L/s 

CV Pump 

5 L/s 

Load 

chillers. Use of either will lead to a 

shortened chiller life. Trane 

encourages the employment of a 

reputable water-treatment 

specialist, familiar with local water 

conditions, to assist in this 

determination and in the 

establishment of a proper watertreatment 

program. 

Effect of Altitude on Capacity 

Air-cooled Series R chiller capacities 

given in the performance data 

tables are for use at sea level. At 

elevations substantially above sea 

level, the decreased air density will 

reduce condenser capacity and, 

therefore, unit capacity and 

efficiency. 

Ambient Limitations 

Trane air-cooled Series R chillers are 

designed for year-round operation 

over a range of ambient 

temperatures. The air-cooled Model 

RTAC chiller will operate in ambient 

temperatures of 0 to 46°C [32 to 

115°F]. Selecting the high-ambient 

option will allow the chiller to 

operate in ambient temperatures of 

52°C [125°F], and selecting the lowambient 

option will increase the 

operational capability of the water 

chiller to ambient temperatures as 

low as -18°C [0°F]. For operation 

outside of these ranges, contact the 

local sales office. 

Water Flow Limits 

The minimum water flow rates are 

given in Tables G1 - G16. Evaporator 

flow rates below the tabulated 

values will result in laminar flow 

and cause freeze-up problems, 

scaling, stratification, and poor 

control. The maximum evaporator 

water flow rate is also given in the 

general data section. Flow rates 

exceeding those listed may result in 

excessive tube erosion. 

Flow Rates Out of Range 

Many process cooling jobs require 

flow rates that cannot be met with 

the minimum and maximum 

published values within the Model 

RTAC evaporator. A simple piping 

change can alleviate this problem. 

For example: a plastic injection 

molding process requires 5.0 L/s [80 

gpm] of 10°C [50°F] water and 

returns that water at 15.6°C [60°F]. 

The selected chiller can operate at 

these temperatures, but has a 

minimum flow rate of 7.6 L/s [120 

gpm]. The following system can 

satisfy the process. 

Flow Control 

Trane requires the chilled water flow 

control in conjunction with the Air- 

Cooled Series R Chiller to be done 

by the chiller. 

This will allow the chiller to protect 

itself in potentially harmful 

conditions. 

Leaving-Water Temperature Limits 

Trane air-cooled Series R chillers 

have three distinct leaving-water 

categories: standard, low 

temperature, and ice making. The 

standard leaving-solution 

temperature range is 4.4 to 15.6°C 

[40 to 60°F]. Low-temperature 

machines produce leaving-liquid 

temperatures less than 4.4°C [40°F]. 

Since liquid supply temperature set 

points less than 4.4°C [40°F] result 

in suction temperatures at or below 

the freezing point of water, a glycol 

solution is required for all lowtemperature 

machines. Ice-making 

machines have a leaving-liquid 

temperature range of -6.7 to 15.6°C 

[20 to 60°F]. Ice-making controls 

include dual set point controls and 

safeties for ice making and 

standard cooling capabilities. 

Consult your local sales engineer 

for applications or selections 

involving low temperature or ice 

making machines. The maximum 

water temperature that can be 

circulated through an evaporator 

when the unit is not operating is 

42°C [108°F]. 

10 RLC-PRC005-E4

Figure 5 - Temperature Out of Range 

15.6°C 

7.6 L/s 

21°C 

7.6 L/s 

15°C 

5.4 L/s 

CV Pump 

15.6°C 

2.2 L/s 

35°C 

2.2 L/s 

Leaving-Water Temperature 

Out of Range 

Many process cooling jobs require 

temperature ranges that cannot be 

met with the minimum and 

maximum published values for the 

Model RTAC evaporator. A simple 

piping change can alleviate this 

problem. For example: a laboratory 

load requires 7.6 L/s [120 gpm] of 

water entering the process at 29.4°C 

[85°F] and returning at 35°C [95°F]. 

The accuracy required is higher 

than the cooling tower can give. The 

selected chiller has adequate 

capacity, but has a maximum 

leaving-chilled-water temperature of 

15.6°C [60°F]. 

In the example shown, both the 

chiller and process flow rates are 

equal. This is not necessary. For 

example, if the chiller had a higher 

flow rate, there would be more 

water bypassing and mixing with 

warm water. 

Supply-Water Temperature Drop 

The performance data for the Trane 

air-cooled Series R chiller is based 

on a chilled-water temperature drop 

of 6°C [10.8°F]. Chilled-water 

temperature drops from 3.3 to 10°C 

[6 to 18°F] may be used as long as 

minimum and maximum water 

temperature, and minimum and 

maximum flow rates, are not 

violated. Temperature drops outside 

this range are beyond the optimum 

range for control, and may 

adversely affect the 

microcomputer’s ability to maintain 

an acceptable supply-water 

temperature range. Further, 

RLC-PRC005-E4 

35°C 

5.4 L/s 


CV Pump 

35°C 

7.6 L/s 

29.4°C 

7.6 L/s 

Load 

temperature drops of less than 

3.3°C [6°F] may result in inadequate 

refrigerant superheat. Sufficient 

superheat is always a primary 

concern in any direct-expansion 

refrigerant system and is especially 

important in a package chiller 

where the evaporator is closely 

coupled to the compressor. When 

temperature drops are less than 

3.3°C [6°F], an evaporator 

runaround loop may be required. 

Variable Flow in the Evaporator 

An attractive chilled-water system 

option may be a variable primary 

flow (VPF) system. VPF systems 

present building owners with 

several cost-saving benefits that are 

directly related to the pumps. The 

most obvious cost savings result 

from eliminating the secondary 

distribution pump, which in turn 

avoids the expense incurred with 

the associated piping connections 

(material, labor), electrical service, 

and variable-frequency drive. 

Building owners often cite pumprelated 

energy savings as the 

reason that prompted them to 

install a VPF system. With the help 

of a software analysis tool such as 

System Analyzer, TRACE, or 

DOE-2, you can determine whether 

the anticipated energy savings 

justify the use of variable primary 

flow in a particular application. It 

may also be easier to apply variable 

primary flow in an existing chilledwater 

plant. Unlike the “decoupled” 

design, the bypass can be 

positioned at various points in the 

chilled-water loop and an additional 

pump is unnecessary. The 

evaporator in the Model RTAC can 

withstand up to 50 percent water 

flow reduction as long as this flow 

is equal to or above the minimum 

flow-rate requirements. The 

microprocessor and capacity 

control algorithms are designed to 

take a maximum of 10 percent 

change in water flow rate per 

minute. 

Ice Storage Provides 

Reduced Electrical Demand 

An ice-storage system uses a 

standard chiller to make ice at 

night, when utilities charge less for 

electricity. The ice supplements, or 

even replaces, mechanical cooling 

during the day, when utility rates 

are at their highest. This reduced 

need for cooling results in big 

utility cost savings. 

Another advantage of ice storage is 

standby cooling capacity. If the 

chiller is unable to operate, one or 

two days of ice may still be 

available to provide cooling. In that 

period of time, the chiller can be 

repaired before building occupants 

feel any loss of comfort. 

The Trane Model RTAC chiller is 

uniquely suited to low-temperature 

applications like ice storage 

because of the ambient relief 

experienced at night. This allows 

the Model RTAC chiller to produce 

ice efficiently, with less stress on 

the machine. 

Simple and smart control strategies 

are another advantage the Model 

RTAC chiller offers for ice-storage 

applications. Trane Tracer building 

management systems can actually 

anticipate how much ice needs to 

be made at night, and operate the 

system accordingly. The controls 

are integrated right into the chiller. 

Two wires and preprogrammed 

software dramatically reduce field 

installation cost and complex 

programming. 

Short Water Loops 

The proper location of the 

temperature control sensor is in the 

supply (outlet) water connection or 

pipe. This location allows the 

building to act as a buffer and 

assures a slowly-changing returnwater 

temperature. If there is not a 

sufficient volume of water in the 

system to provide an adequate 

11


buffer, temperature control can be 

lost, resulting in erratic system 

operation and excessive 

compressor cycling. A short water 

loop has the same effect as 

attempting to control using the 

building return water. Typically, a 

two-minute water loop is sufficient 

to prevent a short water loop. 

Therefore, as a guideline, ensure 

that the volume of water in the 

evaporator loop equals or exceeds 

two times the evaporator flow rate 

per minute. For a rapidly changing 

load profile, the amount of volume 

should be increased. To prevent the 

effect of a short water loop, the 

following item should be given 

careful consideration: a storage 

tank or larger header pipe to 

increase the volume of water in the 

system and, therefore, reduce the 

rate of change of the return water 

temperature. 

Applications Types 

Comfort cooling 

Industrial process cooling 

Ice or thermal storage 

Low-temperature process cooling. 

Figure 6 - Unit isolation recommendations 

Typical Unit Installation 

Outdoor HVAC equipment must be 

located to minimize noise and 

vibration transmission to the 

occupied spaces of the building 

structure it serves. If the equipment 

must be located in close proximity 

to a building, it could be placed next 

to an unoccupied space such as a 

storage room, mechanical room, 

etc. It is not recommended to locate 

the equipment near occupied, 

sound sensitive areas of the 

building or near windows. Locating 

the equipment away from structures 

will also prevent sound reflection, 

which can increase levels at 

property lines, or other sensitive 

points. When physically isolating 

the unit from structures, it is a good 

idea to not use rigid supports, and 

to eliminate any metal-to-metal or 

hard material contact, when 

possible. This includes replacing 

spring or metal weave isolation 

with elastomeric isolators. Figure 6 

illustrates isolation 

recommendations for the RTAC. 

12 RLC-PRC005-E4

RLC-PRC005-E4 

Selection Procedure 

The chiller capacity tables cover the 

most frequently encountered 

leaving-liquid temperatures. The 

tables reflect a 6°C [10.8°F] 

temperature drop through the 

evaporator. For other temperature 

drops, apply the appropriate 

performance data adjustment 

factors. For chilled brine selections, 

contact your local sales office. 

To select a Trane air-cooled Series 

R chiller, the following 

information is required: 

Selection Procedure SI Units 

1 

Design load in kW of refrigeration 

2 

Design chilled-water temperature 

drop 

3 

Design leaving-chilled-water 

temperature 

4 

Design ambient temperature 

Evaporator flow rates can be 

determined by using the following 

formula: 

L/s = kW (capacity) x 0.239 ÷ 

temperature drop (°C) 

To determine the evaporator 

pressure drop we use the flow rate 

(L/s) and the evaporator water 

pressure drop Figure P-1. 

5 

The final unit selection is: 

Quantity (1) RTAC 140 

Cooling capacity = 492.9 kW 

Design ambient temperature 35°C 

Entering chilled-water 

temperatures = 12°C 

Leaving chilled-water 

temperatures = 7°C 

Chilled-water flow rate = 23.51 L/s 

Evaporator water pressure 

drop = 37 kPa 

Compressor power input = 

159.3 kW 

Unit COP = 2.85 kW/kW 

Contact the local sales engineer for 

a proper selection at the given 

operating conditions. 

Selection procedure English units 

1 ton = 3.5168 kW 

Evaporator flow rate in gpm = 

24 x tons ÷ delta T (°F) 

Delta T (°F) = delta T (°C) x 1.8 

1 gpm = 0.06309 L/s 

1 ft WG = 3 kPa 

EER = COP ÷ 0.293 

Minimun Leaving Chilled Water 

Temperature Setpoint 

The minimum leaving chilled water 

temperature setpoint for water is 

4.5°C. For those applications 

requiring lower setpoints, a glycol 

solution must be used. Contact your 

local sales office for additional 

information 

13

SI Units 

General Data 

Table G-1 - RTAC 140-200 Standard 

Size 140 155 170 185 200 

Compressor 

Quantity 2 2 2 2 2 

Nominal Size (1) tons 70/70 70/85 85/85 85/100 100/100 

Evaporator 

Evaporator Model H140 H155 H170 H185 H200 

Water Storage l 112 122 127 135 147 

Minimum Flow l/s 12 14 13 14 16 

Maximum Flow l/s 44 48 48 50 54 

Number of water passes 2 2 2 2 2 

Condenser 

Qty of Coils 4 4 4 4 4 

Coil Length mm 3962/3962 4572/3962 4572/4572 5486/4572 5486/5486 

Coil Height mm 1067 1067 1067 1067 1067 

Fin series fins/ft 192 192 192 192 192 

Number of Rows 3 3 3 3 3 

Condenser Fans 

Quantity (1) 4/4 5/4 5/5 6/5 6/6 

Diameter mm 762 762 762 762 762 

Total Air Flow m 3 /s 35.82 39.53 43.22 47.55 51.88 

Nominal RPM 915 915 915 915 915 

Tip Speed m/s 36.48 36.48 36.48 36.48 36.48 

Motor kW kW 2.05 2.05 2.05 2.05 2.05 

Min Starting/Operating Ambient(2) 

Standard Unit °C 0 0 0 0 0 

Low Ambient Unit °C -18 -18 -18 -18 -18 

General Unit 

Refrigerant HFC 134a HFC 134a HFC 134a HFC 134a HFC 134a 

No. Of independent 

Refrigerant Circuits 2 2 2 2 2 

% Minimum Load (3) 15 15 15 15 15 

Refrigerant Charge (1) kg 75/75 79/75 79/79 113/108 113/113 

Oil Charge (1) l 7.5/7.5 7.5/7.5 7.5/7.5 10/7.5 10/10 

Operating Weight (4) kg 4533 4709 4846 5418 5539 

Shipping Weight (4) kg 4435 4601 4744 5309 5418 

Table G-2 - RTAC 120-200 High Efficiency 

Size 120 130 140 155 170 185 200 

Compressor 

Quantity 2 2 2 2 2 2 2 

Nominal Size (1) tons 60/60 60/70 70/70 70/85 85/85 85/100 100/100 

Evaporator 

Evaporator Model H140 H155 H170 H185 H200 H220 H240 

Water Storage l 112 122 127 135 147 146 159 

Minimum Flow l/s 12 14 13 14 16 14 16 

Maximum Flow l/s 44 48 48 50 54 50 54 

Number of water passes 2 2 2 2 2 2 2 

Condenser 

Qty of Coils 4 4 4 4 4 4 4 

Coil Length mm 3962/3962 4572/3962 4572/4572 5486/4572 5486/5486 6400/2486 6400/6400 

Coil Height mm 1067 1067 1067 1067 1067 1067 1067 

Fin series fins/ft 192 192 192 192 192 192 192 

Number of Rows 3 3 3 3 3 3 3 


Quantity (1) 4/4 5/4 5/5 6/5 6/6 7/6 7/7 

Diameter mm 762 762 762 762 762 762 762 

Total Air Flow m 3 /s 35.82 39.53 43.22 47.55 51.88 56.17 60.47 

Nominal RPM 915 915 915 915 915 915 915 

Tip Speed m/s 36.48 36.48 36.48 36.48 36.48 36.48 36.48 

Motor kW kW 2.05 2.05 2.05 2.05 2.05 2.05 2.05 


Standard Unit °C 0 0 0 0 0 0 0 

Low Ambient Unit °C -18 -18 -18 -18 -18 -18 -18 

General Unit 

Refrigerant HFC 134a HFC 134a HFC 134a HFC 134a HFC 134a HFC 134a HFC 134a 


Refrigerant Circuits 2 2 2 2 2 2 2 

% Minimum Load (3) 15 15 15 15 15 15 15 

Refrigerant Charge (1) kg 75/75 79/75 79/79 113/108 113/113 118/113 118/118 

Oil Charge (1) l 7.5/7.5 7.5/7.5 7.5/7.5 7.5/7.5 7.5/7.5 10/7.5 10/10 

Operating Weight (4) kg 4514 4568 4580 5231 5482 6056 6169 

Shipping Weight (4) kg 4416 4460 4478 5122 5361 5936 6036 

14 RLC-PRC005-E4

SI Units 

Table G-3 - RTAC 140-200 Low Noise Standard 

Size 140 155 170 185 200 

Compressor 



Evaporator 


Water Storage l 112 122 127 135 147 

Minimum Flow l/s 12 14 13 14 16 

Maximum Flow l/s 44 48 48 50 54 


Condenser 


Coil Length mm 3962/3962 4572/3962 4572/4572 5486/4572 5486/5486 

Coil Height mm 1067 1067 1067 1067 1067 




Quantity (1) 4/4 5/4 5/5 6/5 6/6 

Diameter mm 762 762 762 762 762 

Total Air Flow m 3 /s 25.61 28.27 30.93 34.02 37.11 

Nominal RPM 680 680 680 680 680 

Tip Speed m/s 27.5 27.5 27.5 27.5 27.5 

Motor kW kW 1.05 1.05 1.05 1.05 1.05 


Standard Unit °C 0 0 0 0 0 

Low Ambient Unit °C -18 -18 -18 -18 -18 

General Unit 




% Minimum Load (3) 15 15 15 15 15 

Refrigerant Charge (1) kg 75/75 79/75 79/79 113/108 113/113 

Oil Charge (1) l 7.5/7.5 7.5/7.5 7.5/7.5 10/7.5 10/10 

Operating Weight (4) kg 4623 4799 4936 5508 5629 

Shipping Weight (4) kg 4525 4691 4834 5399 5508 

RLC-PRC005-E4 

General Data 

15

SI Units 

General Data 

Table G-4 - RTAC 120-200 High Efficiency Low Noise 

Size 120 130 140 155 170 185 200 

Compressor 

Quantity 2 2 2 2 2 2 2 


Evaporator 


Water Storage l 112 122 127 135 147 146 159 

Minimum Flow l/s 12 14 13 14 16 14 16 

Maximum Flow l/s 44 48 48 50 54 50 54 


Condenser 

Qty of Coils 4 4 4 4 4 4 4 

Coil Length mm 3962/3962 4572/3962 4572/4572 5486/4572 5486/5486 6400/2486 6400/6400 

Coil Height mm 1067 1067 1067 1067 1067 1067 1067 




Quantity (1) 4/4 5/4 5/5 6/5 6/6 7/6 7/7 

Diameter mm 762 762 762 762 762 762 762 

Total Air Flow m 3 /s 25.61 28.27 30.93 34.02 37.11 40.23 43.34 

Nominal RPM 680 680 680 680 680 680 680 

Tip Speed m/s 27.5 27.5 27.5 27.5 27.5 27.5 27.5 

Motor kW kW 1.05 1.05 1.05 1.05 1.05 1.05 1.05 


Standard Unit °C 0 0 0 0 0 0 0 

Low Ambient Unit °C -18 -18 -18 -18 -18 -18 -18 

General Unit 




% Minimum Load (3) 15 15 15 15 15 15 15 

Refrigerant Charge (1) kg 75/75 79/75 79/79 113/108 113/113 118/113 118/118 

Oil Charge (1) l 7.5/7.5 7.5/7.5 7.5/7.5 7.5/7.5 7.5/7.5 10/7.5 10/10 

Operating Weight (4) kg 4604 4658 4670 5321 5572 6146 6259 

Shipping Weight (4) kg 4506 4550 4568 5212 5451 6026 6126 

Notes: 

1. Data containing information on two circuits shown as follows: ckt1/ckt2 

2. Minimum start-up/operation ambient based on a 2.22 m/s (5mph) wind across the condenser. 

3. Percent minimum load is for total machine at 10°C ambient and 7°C leaving chilled water temp. Not each individual circuit. 

4. With aluminium fins 

16 RLC-PRC005-E4

SI Units 

Table G-5 - General Data RTAC 250-400 Standard 

Size 250 275 300 350 375 400 

Compressor 

Quantity 3 3 3 4 4 4 

Nominal Size (1) tons 70-70/100 85-85/100 100-100/100 85-85/85-85 100-100/85-85 100-100/100-100 

Evaporator 

Evaporator Model F250 F270 F300 F340 F370 F400 

Water Storage L 205.9 228.2 250.6 267.2 277.4 306.2 

Minimum Flow L/s 15.3 17.3 19.4 28.8 31.6 34.4 

Maximum Flow L/s 47.1 57.3 67.5 82.8 91.7 104.5 

Condenser 

Quantity of Coils 4/4 4/4 4/4 4/4 4/4 4/4 

Coil Length mm 3962/2743 4572/2743 5486/2743 4572/4572 5486/4572 5486/5486 

Coil Height mm 1067 1067 1067 1067 1067 1067 

Fin series fins/ft 192 192 192 192 192 192 

Number of Rows 3 3 3 3 3 3 


Quantity (1) 8/6 10/6 12/6 10/10 12/10 12/12 

Diameter mm 762 762 762 762 762 762 

Total Air Flow m 3 /s 61.8 69.2 77.8 86.4 95.1 103.7 

Nominal RPM 915 915 915 915 915 915 

Tip Speed m/s 36.48 36.48 36.48 36.48 36.48 34.48 

Motor kW kW 2.05 2.05 2.05 2.05 2.05 2.05 

Minimum Starting/Operating Ambient (2) 

Standard Unit °C 0 0 0 0 0 0 

Low-Ambient Unit °C -18 -18 -18 -18 -18 -18 

General Unit 

Refrigerant HFC 134a HFC 134a HFC 134a HFC 134a HFC 134a HFC 134a 

Number of Independent 

Refrigerant Circuits 2 2 2 2 2 2 

% Minimum Load (3) 13 13 13 10 10 10 

Refrigerant Charge (1) kg 141/93 154/93 179/93 154/154 179/154 179/179 

Oil Charge (1) L 18/11 18/11 20/11 18/18 20/18 20/20 

Operating Weight (4) kg 8760 9560 10270 11790 12290 12890 

Shipping Weight (4) kg 8550 9330 10020 11520 12010 12530 

RLC-PRC005-E4 

General Data 

17

SI Units 

General Data 

Table G-6 - General Data RTAC 250-400 High Efficiency 

Size 250 275 300 350 375 400 

Compressor 

Quantity 3 3 3 4 4 4 


Evaporator 





Condenser 


Coil Length mm 4572/2743 5486/3658 6401/3658 5486/5486 6401/5486 6401/6401 

Coil Height mm 1067 1067 1067 1067 1067 1067 




Quantity (1) 10/6 12/6 14/6 12/12 14/12 14/14 

Diameter mm 762 762 762 762 762 762 


Nominal RPM 915 915 915 915 915 915 

Tip Speed m/s 36.48 36.48 36.48 36.48 36.48 36.48 

Motor kW kW 2.05 2.05 2.05 2.05 2.05 2.05 




General Unit 




% Minimum Load (3) 13 13 13 10 10 10 


Oil Charge (1) L 18/11 18/11 20/11 18/18 20/18 20/20 



18 RLC-PRC005-E4

SI Units 

Table G-7 - General Data RTAC 250-400 Low Noise Standard 

Size 250 275 300 350 375 400 

Compressor 

Quantity 3 3 3 4 4 4 


Evaporator 





Condenser 


Coil Length mm 3962/2743 4572/2743 5486/2743 4572/4572 5486/4572 5486/5486 

Coil Height mm 1067 1067 1067 1067 1067 1067 




Quantity (1) 8/6 10/6 12/6 10/10 12/10 12/12 

Diameter mm 762 762 762 762 762 762 


Nominal RPM 680 680 680 680 680 680 

Tip Speed m/s 27.5 27.5 27.5 27.5 27.5 27.5 

Motor kW kW 1.05 1.05 1.05 1.05 1.05 1.05 




General Unit 




% Minimum Load (3) 13 13 13 10 10 10 


Oil Charge (1) L 18/11 18/11 20/11 18/18 20/18 20/20 



RLC-PRC005-E4 

General Data 

19

SI Units 

General Data 

Table G-8 - General Data RTAC 250-400 High Efficiency Low Noise 

Size 250 275 300 350 375 400 

Compressor 

Quantity 3 3 3 4 4 4 


Evaporator 





Condenser 


Coil Length mm 4572/2743 5486/3658 6401/3658 5486/5486 6401/5486 6401/6401 

Coil Height mm 1067 1067 1067 1067 1067 1067 




Quantity (1) 10/6 12/6 14/6 12/12 14/12 14/14 

Diameter mm 762 762 762 762 762 762 


Nominal RPM 680 680 680 680 680 680 

Tip Speed m/s 27.5 27.5 27.5 27.5 27.5 27.5 

Motor kW kW 1.05 1.05 1.05 1.05 1.05 1.05 




General Unit 




% Minimum Load (3) 13 13 13 10 10 10 


Oil Charge (1) L 18/11 18/11 20/11 18/18 20/18 20/20 



Notes: 


2. Minimum start-up/operation ambient based on a 2.22 m/s (5mph) wind across the condenser. 

3. Percent minimum load is for total machine at 10°C (50°F) ambient and 7°C (44°F) leaving chilled water temperature, not each individual circuit. 

4. With aluminium fins. 

20 RLC-PRC005-E4

English Units 

Table G-9 - RTAC 140-200 Standard 

Size 140 155 170 185 200 

Compressor 



Evaporator 


Water Storage gallons 29.6 32.2 33.6 35.7 38.8 

Minimum Flow gpm 190.2 221.9 206.1 221.9 253.6 

Maximum Flow gpm 697.5 760.9 760.9 792.6 856.0 


Condenser 


Coil Length ft 13/13 15/13 15/15 18/15 18/18 

Coil Height ft 3.5 3.5 3.5 3.5 3.5 




Quantity (1) 4/4 5/4 5/5 6/5 6/6 

Diameter in. 30 30 30 30 30 

Total Air Flow cfm 75867 83725 91540 100710 109882 

Nominal RPM 915 915 915 915 915 

Tip Speed ft/s 120 120 120 120 120 

Motor kW kW 2.05 2.05 2.05 2.05 2.05 


Standard Unit °F 32 32 32 32 32 

Low Ambient Unit °F 0 0 0 0 0 

General Unit 




% Minimum Load (3) 15 15 15 15 15 

Refrigerant Charge (1) lb 165/165 174/165 174/174 249/238 249/249 

Oil Charge (1) gallons 2/2 2/2 2/2 2.6/2 2.6/2.6 

Operating Weight (4) lb 9985 10372 10674 11934 12200 

Shipping Weight (4) lb 9769 10134 10449 11694 11934 

Table G-10 - RTAC 120-200 High Efficiency 

Size 120 130 140 155 170 185 200 

Compressor 

Quantity 2 2 2 2 2 2 2 


Evaporator 


Water Storage gallons 29.6 32.2 33.6 35.7 38.8 38.6 42.0 

Minimum Flow gpm 190.2 221.9 206.1 221.9 253.6 221.9 253.6 

Maximum Flow gpm 697.5 760.9 760.9 792.6 856.0 792.6 856.0 


Condenser 

Qty of Coils 4 4 4 4 4 4 4 

Coil Length ft 13/13 15/13 15/15 18/15 18/18 21/18 21/21 

Coil Height ft 3.5 3.5 3.5 3.5 3.5 3.5 3.5 




Quantity (1) 4/4 5/4 5/5 6/5 6/6 7/6 7/7 

Diameter in. 30 30 30 30 30 30 30 

Total Air Flow cfm 75867 83725 91540 100710 109882 118968 128075 

Nominal RPM 915 915 915 915 915 915 915 

Tip Speed ft/s 120 120 120 120 120 120 120 

Motor kW kW 2.05 2.05 2.05 2.05 2.05 2.05 2.05 


Standard Unit °F 32 32 32 32 32 32 32 

Low Ambient Unit °F 0 0 0 0 0 0 0 

General Unit 




% Minimum Load (3) 15 15 15 15 15 15 15 

Refrigerant Charge (1) lb 165/165 174/165 174/174 249/238 249/249 260/249 260/260 

Oil Charge (1) gallons 2/2 2/2 2/2 2/2 2/2 2.6/2 2.6/2.6 

Operating Weight (4) lb 9943 10062 10088 11522 12075 13339 13588 

Shipping Weight (4) lb 9727 9824 9863 11282 11808 13075 13295 

RLC-PRC005-E4 

General Data 

21

English Units 

General Data 

Table G-11 - RTAC 120-200 Low Noise Standard 

Size 140 155 170 185 200 

Compressor 



Evaporator 


Water Storage gallons 3.2 3.7 3.4 3.7 4.2 

Minimum Flow gpm 697.5 760.9 760.9 792.6 856.0 

Maximum Flow gpm 31.7 31.7 31.7 31.7 31.7 


Condenser 


Coil Length ft 13/13 15/13 15/15 18/15 18/18 

Coil Height ft 3.5 3.5 3.5 3.5 3.5 




Quantity (1) 4/4 5/4 5/5 6/5 6/6 

Diameter in. 30 30 30 30 30 

Total Air Flow cm 54242 59876 65510 72054 78600 

Nominal RPM 680 680 680 680 680 

Tip Speed ft/s 90 90 90 90 90 

Motor kW kW 1.05 1.05 1.05 1.05 1.05 


Standard Unit °F 32 32 32 32 32 

Low Ambient Unit °F 0 0 0 0 0 

General Unit 




% Minimum Load (3) 15 15 15 15 15 

Refrigerant Charge (1) lb 165/165 174/165 174/174 249/238 249/249 

Oil Charge (1) gallons 2/2 2/2 2/2 2.6/2 2.6/2.6 

Operating Weight (4) lb 10183 10570 10872 12132 12399 

Shipping Weight (4) lb 9967 10333 10648 11892 12132 

22 RLC-PRC005-E4

English Units 

Table G-12 - RTAC 120-200 High Efficiency Low Noise 

Size 120 130 140 155 170 185 200 

Compressor 

Quantity 2 2 2 2 2 2 2 


Evaporator 


Water Storage gallons 29.6 32.2 33.6 35.7 38.8 38.6 42.0 

Minimum Flow gpm 190.2 221.9 206.1 221.9 253.6 221.9 253.6 

Maximum Flow gpm 697.5 760.9 760.9 792.6 856.0 792.6 856.0 


Condenser 

Qty of Coils 4 4 4 4 4 4 4 

Coil Length ft 13/13 15/13 15/15 18/15 18/18 21/18 21/21 

Coil Height ft 3.5 3.5 3.5 3.5 3.5 3.5 3.5 




Quantity (1) 4/4 5/4 5/5 6/5 6/6 7/6 7/7 

Diameter in. 30 30 30 30 30 30 30 

Total Air Flow cfm 54242 59876 65510 72054 78600 85207 91794 

Nominal RPM 680 680 680 680 680 680 680 

Tip Speed ft/s 90 90 90 90 90 90 90 

Motor kW kW 1.05 1.05 1.05 1.05 1.05 1.05 1.05 


Standard Unit °F 32 32 32 32 32 32 32 

Low Ambient Unit °F 0 0 0 0 0 0 0 

General Unit 




% Minimum Load (3) 15 15 15 15 15 15 15 

Refrigerant Charge (1) lb 165/165 174/165 174/174 249/238 249/249 260/249 260/260 

Oil Charge (1) gallons 2/2 2/2 2/2 2/2 2/2 2.6/2 2.6/2.6 

Operating Weight (4) lb 10141 10260 10286 11720 12273 13537 13786 

Shipping Weight (4) lb 9925 10022 10062 11480 12007 13273 13493 

Notes: 


2. Minimum start-up/operation ambient based on a 5mph wind across the condenser. 

3. Percent minimum load is for total machine at 50 °F ambient and 44 °F leaving chilled water temp. Not each individual circuit. 


RLC-PRC005-E4 

General Data 

23

English Units 

General Data 

Table G-13 - General Data RTAC 250-400 Standard 

Size 250 275 300 350 375 400 

Compressor 

Quantity 3 3 3 4 4 4 


Evaporator 


Water Storage gallons 54.4 60.3 66.2 70.6 73.3 80.9 

Minimum Flow gpm 242 275 308 457 501 545 

Maximum Flow gpm 747 909 1070 1313 1454 1656 

Condenser 


Coil Length ft 13/9 15/9 18/9 15/15 18/15 18/18 

Coil Height ft 3.5 3.5 3.5 3.5 3.5 3.5 




Quantity (1) 8/6 10/6 12/6 10/10 12/10 12/12 

Diameter in. 30 30 30 30 30 30 

Total Air Flow cfm 130877 146561 164894 183189 201516 219852 

Nominal RPM 915 915 915 915 915 915 

Tip Speed ft/s 120 120 120 120 120 120 

Motor kW kW 2.05 2.05 2.05 2.05 2.05 2.05 


Standard Unit °F 32 32 32 32 32 32 

Low-Ambient Unit °F 0 0 0 0 0 0 

General Unit 




% Minimum Load (3) 13 13 13 10 10 10 

Refrigerant Charge (1) lb 310/205 340/205 395/205 340/340 395/340 395/395 

Oil Charge (1) gallons 4.6/2.9 4.6/2.9 5.3/2.9 4.6/4.6 5.3/4.6 5.3/5.3 

Operating Weight (4) lb 20184 22028 23664 27166 28318 29700 

Shipping Weight (4) lb 19700 21498 23088 26544 27673 28871 

24 RLC-PRC005-E4

English Units 

Table G-14 - General Data RTAC 250-400 High Efficiency 

Size 250 275 300 350 375 400 

Compressor 

Quantity 3 3 3 4 4 4 


Evaporator 





Condenser 


Coil Length ft 15/9 18/12 21/12 18/18 21/18 21/21 

Coil Height ft 3.5 3.5 3.5 3.5 3.5 3.5 




Quantity (1) 10/6 12/6 14/6 12/12 14/12 14/14 

Diameter in. 30 30 30 30 30 30 


Nominal RPM 915 915 915 915 915 915 

Tip Speed ft/s 120 120 120 120 120 120 

Motor kW kW 2.05 2.05 2.05 2.05 2.05 2.05 




General Unit 




% Minimum Load (3) 13 13 13 10 10 10 





RLC-PRC005-E4 

General Data 

25

English Units 

General Data 

Table G-15 - General Data RTAC 250-400 Low Noise Standard 

Size 250 275 300 350 375 400 

Compressor 

Quantity 3 3 3 4 4 4 


Evaporator 





Condenser 


Coil Length ft 13/9 15/9 18/9 15/15 18/15 18/18 

Coil Height ft 3.5 3.5 3.5 3.5 3.5 3.5 




Quantity (1) 8/6 10/6 12/6 10/10 12/10 12/12 

Diameter in. 30 30 30 30 30 30 


Nominal RPM 680 680 680 680 680 680 

Tip Speed ft/s 90 90 90 90 90 90 

Motor kW kW 1.05 1.05 1.05 1.05 1.05 1.05 




General Unit 




% Minimum Load (3) 13 13 13 10 10 10 





26 RLC-PRC005-E4

English Units 

Table G-16 - General Data RTAC 250-400 High Efficiency Low Noise 

Size 250 275 300 350 375 400 

Compressor 

Quantity 3 3 3 4 4 4 


Evaporator 





Condenser 


Coil Length ft 15/9 18/12 21/12 18/18 21/18 21/21 

Coil Height ft 3.5 3.5 3.5 3.5 3.5 3.5 




Quantity (1) 10/6 12/6 14/6 12/12 14/12 14/14 

Diameter in. 30 30 30 30 30 30 


Nominal RPM 680 680 680 680 680 680 

Tip Speed ft/s 90 90 90 90 90 90 

Motor kW kW 1.05 1.05 1.05 1.05 1.05 1.05 




General Unit 




% Minimum Load (3) 13 13 13 10 10 10 



Operating Weight lb (4) 21694 24988 26210 30276 31843 33664 

Shipping Weight lb (4) 21094 24355 25588 29562 31083 32742 

Notes: 


2. Minimum start-up/operation ambient based on a 5mph wind across the condenser. 

3. Percent minimum load is for total machine at 50°F ambient and 44°F leaving chilled water temperature, not each individual circuit. 


RLC-PRC005-E4 

General Data 

27

Table P-1 - Standard Efficiency Units (SI Units) 

Evaporator 

Leaving 

Water 

Temperature 

(°C) 

Model 

and 

Size 


Entering Condenser Air Temperature (°C) 

30 35 40 45 

Cooling Power 

Capacity Input 

(kW) (kW) COP 

Cooling Power 


(kW) (kW) COP 

Cooling Power 


(kW) (kW) COP 

140 STD 492.9 142.0 3.17 461.3 153.8 2.76 429.0 166.8 2.38 395.9 181.0 2.04 

155 STD 539.4 157.0 3.13 504.9 169.5 2.74 469.7 183.3 2.37 433.9 198.6 2.03 

170 STD 586.8 172.2 3.10 550.3 185.5 2.72 512.6 200.3 2.36 474.0 216.7 2.03 

185 STD 649.8 188.0 3.15 610.0 202.4 2.76 569.2 218.5 2.41 527.8 236.2 2.08 

5 200 STD 713.8 204.0 3.18 671.2 219.5 2.80 627.3 236.8 2.45 581.9 255.9 2.11 

250 STD 854.7 243.7 3.20 804.1 263.5 2.80 751.4 285.3 2.44 697.2 309.2 2.10 

275 STD 957.1 275.4 3.16 900.1 296.5 2.79 841.0 320.0 2.43 780.2 345.9 2.10 

300 STD 1083.3 307.7 3.21 1020.0 330.8 2.83 954.6 356.6 2.47 887.1 385.0 2.14 

350 STD 1187.7 346.3 3.12 1115.3 373.0 2.74 1040.4 402.6 2.39 963.7 435.3 2.06 

375 STD 1306.2 377.2 3.15 1229.2 406.0 2.78 1149.4 438.0 2.42 1066.8 473.4 2.10 

400 STD 1434.5 409.9 3.19 1350.8 440.7 2.81 1264.0 474.9 2.46 1174.3 512.7 2.13 

140 STD 526.4 147.4 3.27 492.9 159.3 2.85 458.8 172.5 2.47 424.0 186.9 2.12 

155 STD 575.2 163.2 3.22 539.0 175.8 2.82 502.1 189.9 2.45 464.1 205.3 2.11 

170 STD 625.1 179.2 3.19 586.5 192.6 2.80 546.7 207.6 2.44 506.0 224.1 2.11 

185 STD 692.0 195.6 3.23 650.1 210.2 2.84 606.9 226.5 2.48 562.9 244.5 2.15 

7 200 STD 760.2 212.4 3.27 715.2 228.2 2.88 668.4 245.7 2.52 620.6 265.2 2.18 

250 STD 908.5 252.9 3.29 855.4 272.9 2.89 800.2 295.1 2.52 743.3 319.5 2.17 

275 STD 1017.2 286.3 3.25 957.1 307.7 2.86 894.8 331.6 2.50 830.8 357.8 2.17 

300 STD 1151.1 320.0 3.29 1084.7 343.7 2.90 1015.8 369.9 2.54 944.4 398.9 2.21 

350 STD 1262.6 360.0 3.21 1186.6 387.0 2.82 1107.9 417.0 2.46 1027.0 450.1 2.13 

375 STD 1387.8 392.1 3.23 1306.9 421.4 2.85 1222.9 454.0 2.50 1136.0 489.9 2.16 

400 STD 1524.9 426.4 3.27 1436.6 457.8 2.89 1345.6 492.7 2.53 1251.0 531.2 2.20 

140 STD 560.5 153.1 3.36 525.3 165.1 2.94 489.4 178.5 2.55 452.9 193.1 2.20 

155 STD 612.1 169.7 3.31 573.8 182.4 2.91 534.8 196.6 2.53 495.1 212.2 2.18 

170 STD 664.5 186.4 3.27 623.4 199.9 2.88 581.6 215.0 2.51 538.7 231.7 2.17 

185 STD 735.2 203.5 3.31 690.9 218.4 2.92 645.5 234.9 2.55 598.8 253.1 2.21 

9 200 STD 807.6 221.1 3.35 760.2 237.1 2.96 710.9 255.0 2.59 660.3 274.8 2.25 

250 STD 963.4 262.3 3.37 907.8 282.7 2.97 849.8 305.3 2.59 790.4 330.0 2.24 

275 STD 1078.0 297.5 3.32 1015.1 319.3 2.94 950.0 343.5 2.57 882.5 370.0 2.23 

300 STD 1220.4 332.9 3.36 1150.8 357.0 2.98 1078.4 383.8 2.61 1003.5 413.3 2.27 

350 STD 1338.9 374.1 3.28 1259.1 401.5 2.90 1176.5 431.8 2.53 1091.7 465.2 2.19 

375 STD 1470.7 407.5 3.31 1386.0 437.4 2.93 1298.1 470.5 2.56 1207.0 506.9 2.23 

400 STD 1617.0 443.6 3.34 1524.5 475.6 2.96 1428.6 511.2 2.60 1329.4 550.5 2.26 

Notes : 

1. Ratings based on sea level altitude and evaporatot fouling factor of 0.0176 m²°K/kW 

2. Consult Trane representative for performance at temperatures outside of the ranges shown 

3. kW input = compressor power input only. 

4. COP = Coefficient of Performance (kW/kW). The considered power input includes compressors, condenser fans and control power. 

5. Ratings are based on an evaporator temperature drop of 5°C. 

6. Interpolation between points is permissible. Extrapolation is not permitted. 

7. Operation above 40°C = with High Ambient Option. 

Cooling Power 


(kW) (kW) 

COP 

28 RLC-PRC005-E4

Table P-2 - High Efficiency Units (SI Units) 

Evaporator 

Leaving 

Water 

Temperature 

(°C) 


30 35 40 45 52 

120 HE 421.6 112.9 3.33 394.9 122.1 2.91 367.1 132.4 2.52 338.9 144.0 2.16 298.2 162.1 1.70 

130 HE 465.9 124.1 3.34 436.3 134.2 2.92 406.5 145.5 2.53 375.5 158.0 2.17 329.5 176.6 1.72 

140 HE 511.9 135.6 3.35 480.6 146.7 2.94 448.3 159.0 2.55 415.2 172.6 2.20 361.1 190.3 1.75 

155 HE 557.3 150.1 3.30 523.2 161.9 2.90 488.0 175.1 2.53 452.2 189.7 2.18 394.1 209.0 1.74 

170 HE 603.0 164.6 3.26 566.4 177.1 2.87 528.5 191.2 2.50 489.4 206.8 2.16 425.1 226.5 1.73 

185 HE 669.1 180.6 3.30 629.7 194.2 2.92 588.9 209.5 2.55 547.1 226.4 2.21 463.8 240.7 1.77 

5 200 HE 736.3 196.8 3.34 693.7 211.4 2.96 649.8 227.8 2.59 604.4 246.0 2.25 509.5 259.1 1.81 

250 HE 886.4 239.3 3.33 833.3 258.0 2.93 778.4 278.9 2.55 722.2 301.8 2.20 515.1 274.0 1.72 

275 HE 991.9 265.6 3.35 933.5 285.3 2.96 873.0 307.4 2.59 810.8 331.9 2.25 679.3 348.5 1.80 

300 HE 1114.9 296.9 3.38 1052.3 318.6 2.99 986.9 343.0 2.63 919.1 370.0 2.29 757.7 379.8 1.84 

350 HE 1225.0 332.0 3.29 1151.5 356.9 2.90 1075.5 384.9 2.53 997.1 415.9 2.19 844.2 442.8 1.75 

375 HE 1354.7 364.2 3.32 1275.6 391.1 2.94 1193.7 421.2 2.57 1109.3 454.6 2.23 918.7 471.1 1.79 

400 HE 1484.5 396.6 3.34 1399.7 425.3 2.97 1311.5 457.5 2.61 1220.8 493.2 2.27 1003.8 505.7 1.82 

120 HE 451.5 117 3.45 423.3 126.4 3.03 394.1 136.9 2.62 363.9 148.6 2.25 303.1 157.6 1.78 

130 HE 498.9 128.7 3.46 468.0 138.9 3.04 436.0 150.4 2.64 403.6 163.1 2.27 336.8 172.4 1.80 

140 HE 547.8 140.6 3.47 514.7 151.8 3.05 480.6 164.3 2.66 445.8 178.0 2.29 367.1 184.4 1.83 

155 HE 595.6 155.8 3.41 559.4 167.7 3.01 522.5 181.0 2.62 484.9 195.8 2.27 399.8 202.5 1.82 

170 HE 644.1 171.1 3.37 605.1 183.7 2.97 565.0 197.9 2.60 523.9 213.6 2.25 432.5 220.5 1.80 

185 HE 714.1 187.8 3.41 672.3 201.5 3.01 629.4 216.9 2.64 585.1 234.1 2.29 472.6 234.8 1.85 

7 200 HE 785.8 204.7 3.44 740.8 219.5 3.05 694.4 236.1 2.68 646.2 254.6 2.33 517.9 252.3 1.89 

250 HE 945.5 248.5 3.4 889.5 267.5 3.0 831.9 288.6 2.64 772.5 311.9 2.29 520.0 265.4 1.79 

275 HE 1057.6 276.1 3.45 995.7 296 3.06 932.1 318.4 2.68 866.7 343.2 2.33 691.9 339.6 1.88 

300 HE 1188.1 308.7 3.47 1122.0 330.8 3.09 1053.0 355.5 2.71 981.7 383.0 2.37 768.6 368.7 1.92 

350 HE 1306.5 345 3.39 1228.8 370.2 3 1148.7 398.4 2.62 1066.4 429.7 2.28 857.9 430.1 1.83 

375 HE 1444.7 378.7 3.42 1361.4 405.9 3.03 1274.9 436.4 2.66 1185.9 470.3 2.32 934.9 458.5 1.87 

400 HE 1582.9 412.6 3.44 1493.6 441.8 3.06 1400.8 474.5 2.69 1304.8 510.8 2.35 1019.3 491.1 1.90 

120 HE 482.4 121.4 3.57 452.2 130.9 3.13 421.6 141.5 2.72 389.9 153.4 2.34 307.0 152.0 1.86 

130 HE 533.0 133.5 3.58 500.3 143.9 3.15 466.9 155.5 2.74 432.5 168.3 2.36 340.7 166.1 1.89 

140 HE 584.7 145.8 3.59 549.9 157.1 3.16 514.0 169.7 2.76 477.5 183.5 2.39 374.1 178.8 1.92 

155 HE 635.0 161.7 3.52 597.0 173.7 3.11 558.0 187.2 2.72 518.3 202.1 2.36 403.6 194.8 1.90 

170 HE 686.3 177.8 3.46 645.2 190.6 3.06 602.6 204.8 2.68 559.4 220.7 2.33 438.5 213.2 1.89 

185 HE 760.5 195.2 3.50 716.2 209.1 3.11 670.9 224.7 2.73 624.1 242.0 2.37 479.2 227.4 1.93 

9 200 HE 837.2 212.9 3.54 789.3 227.9 3.14 740.1 244.8 2.77 689.5 263.5 2.41 525.6 244.8 1.97 

250 HE 1006.3 258.0 3.53 947.2 277.3 3.12 886.7 298.7 2.73 824.2 322.3 2.37 528.5 259.5 1.85 

275 HE 1124.8 287.0 3.55 1060.1 307.2 3.15 992.9 329.8 2.77 924.0 354.9 2.41 699.7 328.5 1.96 

300 HE 1262.9 320.9 3.57 1193.3 343.3 3.17 1120.9 368.5 2.80 1045.7 396.5 2.44 777.7 358.1 2.00 

350 HE 1389.5 358.4 3.48 1308.3 383.9 3.09 1223.9 412.4 2.71 1137.4 443.9 2.36 871.3 417.4 1.91 

375 HE 1536.8 393.7 3.51 1448.9 421.3 3.12 1358.2 452.2 2.75 1264.7 486.5 2.39 943.7 443.3 1.95 

400 HE 1684.2 429.2 3.54 1589.9 458.9 3.15 1492.5 492.1 2.78 1391.3 529.1 2.42 1031.6 477.2 1.98 

Notes : 








RLC-PRC005-E4 

Model 

and 

Size 

Cooling Power 


(kW) (kW) COP 


Cooling Power 


(kW) (kW) COP 

Cooling Power 


(kW) (kW) COP 

Cooling Power 


(kW) (kW) COP 

Cooling Power 


(kW) (kW) COP 

29

Table P-3 - Standard Efficiency Low Noise Units (SI Units) 

Evaporator 

Leaving 

Water 

Temperature 

(°C) 

Model 

and 

Size 



30 35 40 

Cooling Power 


(kW) (kW) COP 

Cooling Power 


(kW) (kW) COP 

Cooling Power 


(kW) (kW) 

COP 

140 LN 468.3 155.4 2.91 436.0 168.4 2.51 402.9 182.5 2.14 

155 LN 513.0 171.2 2.89 477.8 185.0 2.50 442.0 200.1 2.14 

170 LN 559.0 187.3 2.88 521.4 202.0 2.50 483.1 218.3 2.15 

185 LN 619.5 204.4 2.92 578.7 220.4 2.54 536.9 238.0 2.19 

5 200 LN 680.7 221.7 2.96 636.8 239.0 2.58 591.7 257.9 2.22 

250 LN 815.0 266.2 2.95 762.3 288.1 2.56 701.4 307.7 2.21 

275 LN 912.8 299.6 2.94 853.7 323.0 2.56 786.2 344.6 2.21 

300 LN 1033.7 334.3 2.98 968.3 360.0 2.60 884.3 378.4 2.27 

350 LN 1131.8 376.7 2.90 1056.9 406.3 2.52 976.0 436.2 2.17 

375 LN 1246.8 409.9 2.93 1166.6 442.0 2.55 1079.8 474.2 2.21 

400 LN 1369.5 445.1 2.97 1282.6 479.3 2.59 1171.2 503.6 2.25 

140 LN 497.5 161.9 2.97 463.4 175.1 2.57 413.8 179.8 2.23 

155 LN 544.6 178.5 2.95 507.4 192.5 2.55 457.1 199.6 2.22 

170 LN 592.5 195.3 2.93 552.7 210.3 2.55 495.8 215.7 2.23 

185 LN 656.4 213.2 2.97 613.5 229.5 2.59 549.9 234.9 2.27 

7 200 LN 721.5 231.5 3.01 675.1 249.1 2.62 599.1 250.7 2.32 

250 LN 862.5 277.1 3.01 807.3 299.4 2.61 712.0 299.1 2.31 

275 LN 965.5 312.3 2.99 903.3 336.2 2.60 793.6 332.8 2.31 

300 LN 1093.8 348.8 3.03 1024.9 375.2 2.65 898.3 369.2 2.36 

350 LN 1197.9 392.6 2.95 1119.1 422.7 2.56 988.0 422.5 2.27 

375 LN 1318.9 427.4 2.98 1234.8 460.1 2.60 1094.9 461.3 2.30 

400 LN 1449.3 464.5 3.01 1357.9 499.5 2.63 1190.2 491.6 2.34 

140 LN 527.1 168.6 3.02 491.2 182.0 2.62 419.1 173.4 2.34 

155 LN 576.6 186.0 3.00 537.6 200.2 2.60 460.2 191.0 2.33 

170 LN 626.6 203.6 2.98 584.7 218.8 2.59 502.8 209.0 2.33 

185 LN 694.1 222.5 3.02 648.7 239.1 2.63 559.4 228.7 2.37 

9 200 LN 763.0 241.7 3.05 713.8 259.8 2.67 608.3 243.2 2.42 

250 LN 910.6 288.4 3.05 853.0 311.1 2.66 720.4 288.5 2.42 

275 LN 1018.9 325.4 3.03 953.5 349.8 2.64 802.4 320.7 2.42 

300 LN 1154.3 363.9 3.07 1081.9 391.0 2.68 910.6 357.2 2.47 

350 LN 1264.4 409.1 2.99 1181.7 439.6 2.61 1001.0 408.3 2.37 

375 LN 1392.0 445.5 3.02 1303.7 478.9 2.64 1106.5 444.8 2.41 

400 LN 1530.2 484.7 3.05 1433.8 520.6 2.67 1206.3 475.8 2.45 

Notes : 

1. Ratings based on sea level altitude and evaporatot fouling factor of 0.0176 m²°K/kW. 

2. Consult Trane representative for performance at temperatures outside of the ranges shown. 






30 RLC-PRC005-E4

Table P-4 - High Efficiency Low Noise Units (SI Units) 

Evaporator 

Leaving 

Water 

Temperature 

(°C) 

RLC-PRC005-E4 

Model 

and 

Size 

Cooling 

Capacity 



30 35 40 45 

(kW) 

Power 

Input 

(kW) COP 

Cooling 

Capacity 

(kW) 

Power 

Input 

(kW) COP 

Cooling 

Capacity 

(kW) 

Power 

Input 

(kW) COP 

120 HELN 406.5 121.6 3.19 378.7 131.8 2.76 350.6 143.0 2.36 321.7 155.5 2.00 

130 HELN 449.3 133.7 3.20 419.1 144.8 2.77 388.5 157.1 2.38 357.2 170.5 2.02 

140 HELN 494.4 146.2 3.22 462.0 158.3 2.79 429.3 171.6 2.40 395.6 186.2 2.05 

155 HELN 538.0 161.3 3.18 503.1 174.2 2.77 467.3 188.5 2.38 431.1 204.2 2.04 

170 HELN 582.3 176.4 3.15 544.6 190.2 2.74 506.0 205.4 2.37 466.6 222.3 2.03 

185 HELN 646.6 193.7 3.19 605.8 208.7 2.78 564.3 225.4 2.41 521.4 243.6 2.07 

5 200 HELN 711.3 211.2 3.22 667.3 227.3 2.82 622.3 245.2 2.44 575.9 264.9 2.10 

250 HELN 851.2 258.9 3.15 796.7 279.5 2.74 740.5 302.2 2.36 628.7 295.1 2.06 

275 HELN 957.1 285.1 3.22 896.6 306.8 2.81 834.7 330.9 2.43 771.4 357.4 2.09 

300 HELN 1077.3 318.7 3.24 1012.3 342.7 2.84 944.7 369.4 2.47 875.1 398.6 2.13 

350 HELN 1182.4 355.8 3.17 1106.8 383.2 2.77 1029.1 413.6 2.39 949.7 447.1 2.05 

375 HELN 1308.3 390.4 3.20 1226.7 420.0 2.80 1142.7 452.9 2.43 1056.6 488.9 2.09 

400 HELN 1434.2 425.1 3.23 1346.3 456.9 2.83 1255.9 492.0 2.46 1162.7 530.6 2.12 

120 HELN 433.5 126.5 3.28 404.3 136.9 2.84 374.5 148.3 2.43 344.2 161.0 2.07 

130 HELN 479.2 139.1 3.29 447.6 150.4 2.86 415.2 162.8 2.46 382.2 176.5 2.09 

140 HELN 526.7 152.0 3.31 492.9 164.3 2.88 458.1 177.8 2.48 423.0 192.6 2.12 

155 HELN 572.8 167.8 3.26 535.8 180.9 2.84 498.2 195.4 2.46 459.9 211.3 2.10 

170 HELN 619.5 183.8 3.22 579.4 197.7 2.81 538.7 213.2 2.44 497.2 230.2 2.09 

185 HELN 687.4 201.9 3.26 644.5 217.1 2.85 600.2 234.0 2.47 555.2 252.6 2.13 

7 200 HELN 756.3 220.2 3.29 709.9 236.6 2.88 662.1 254.9 2.51 610.0 273.2 2.16 

250 HELN 904.3 269.6 3.22 846.7 290.6 2.81 752.1 294.1 2.47 636.0 284.7 2.15 

275 HELN 1016.5 297.0 3.28 952.8 319.2 2.88 887.4 343.6 2.50 809.7 363.8 2.16 

300 HELN 1143.8 332.2 3.31 1074.8 356.8 2.90 1003.5 384.0 2.53 908.5 400.7 2.20 

350 HELN 1256.3 370.5 3.24 1176.8 398.4 2.84 1094.9 429.2 2.46 1011.2 463.0 2.11 

375 HELN 1390.2 406.9 3.27 1304.1 437.1 2.87 1215.5 470.4 2.49 1104.0 494.7 2.16 

400 HELN 1523.5 443.4 3.29 1431.0 475.8 2.89 1335.4 511.7 2.52 1207.7 533.5 2.19 

120 HELN 461.0 131.6 3.35 430.0 142.1 2.91 398.7 153.8 2.50 363.6 164.7 2.14 

130 HELN 509.8 144.7 3.37 476.4 156.1 2.93 442.3 168.8 2.53 401.5 179.1 2.17 

140 HELN 560.1 158.0 3.39 524.2 170.5 2.96 487.7 184.2 2.55 441.3 193.5 2.20 

155 HELN 608.3 174.6 3.34 569.6 187.9 2.91 529.9 202.6 2.52 480.3 213.0 2.18 

170 HELN 657.5 191.4 3.29 615.3 205.5 2.88 572.4 221.1 2.50 519.3 232.6 2.16 

185 HELN 728.9 210.3 3.32 683.5 225.8 2.91 637.1 243.0 2.53 563.3 245.4 2.22 

9 200 HELN 802.4 229.6 3.35 753.1 246.4 2.94 702.5 265.0 2.56 617.8 264.9 2.25 

250 HELN 958.5 280.8 3.28 897.6 302.2 2.87 761.6 283.9 2.58 642.4 275.5 2.24 

275 HELN 1077.0 309.5 3.35 1009.8 331.9 2.94 941.2 356.8 2.55 820.6 353.0 2.25 

300 HELN 1210.9 346.3 3.37 1138.5 371.4 2.96 1063.6 399.2 2.58 922.9 390.2 2.29 

350 HELN 1331.5 385.8 3.31 1247.8 414.0 2.90 1161.7 445.1 2.52 1032.3 453.6 2.20 

375 HELN 1473.2 424.0 3.33 1382.5 454.7 2.93 1289.3 488.6 2.55 1118.4 479.5 2.25 

400 HELN 1614.5 462.4 3.35 1517.2 495.5 2.95 1416.6 532.2 2.57 1220.8 515.9 2.28 

Notes : 








Cooling 

Capacity 

(kW) 

Power 

Input 

(kW) 

COP 

31

Table P-5 - Standard Efficiency Units (English Units) 

Evaporator 

Leaving 

Water 

Temperature 

(°F) 


Entering Condenser Air Temperature (°F) 

85 95 105 115 

Model 

Power 

Power 

Power 

Power 

and 

Input 

Input 

Input 

Input 

Size Tons (kW) EER Tons (kW) EER Tons (kW) EER Tons (kW) 

EER 

140 STD 141.2 140.8 11.00 131.2 153.8 9.40 121.0 168.3 8.00 110.5 184.3 6.70 

155 STD 154.4 155.7 10.90 143.6 169.5 9.40 132.5 184.9 8.00 121.1 202.2 6.70 

170 STD 168.1 170.8 10.80 156.5 185.5 9.30 144.6 202.1 8.00 132.4 220.6 6.70 

185 STD 186.0 186.5 10.90 173.5 202.4 9.40 160.6 220.4 8.10 147.4 240.4 6.90 

41 200 STD 204.3 202.4 11.00 190.9 219.5 9.60 176.9 238.8 8.20 162.6 260.4 7.00 

250 STD 244.7 241.7 11.10 228.7 263.5 9.60 212.0 287.8 8.20 194.8 314.9 6.90 

275 STD 274.0 273.2 11.00 256.0 296.5 9.50 237.3 322.8 8.20 217.9 352.0 6.90 

300 STD 310.0 305.2 11.10 290.1 330.8 9.70 269.4 359.6 8.30 247.9 391.7 7.10 

350 STD 340.1 343.6 10.80 317.2 373.0 9.40 293.5 406.1 8.00 269.1 443.0 6.80 

375 STD 373.9 374.2 10.90 349.6 406.0 9.50 324.3 441.8 8.10 298.1 481.7 6.90 

400 STD 410.6 406.7 11.00 384.2 440.7 9.60 356.7 478.9 8.30 328.2 521.5 7.00 

140 STD 151.8 146.8 11.40 141.2 160.0 9.80 130.4 174.7 8.30 119.3 191.0 7.00 

155 STD 165.9 162.6 11.20 154.4 176.6 9.70 142.6 192.3 8.30 130.5 209.7 7.00 

170 STD 180.3 178.5 11.10 167.9 193.4 9.60 155.3 210.1 8.20 142.3 228.8 7.00 

185 STD 199.4 194.9 11.20 186.1 211.1 9.70 172.4 229.4 8.40 158.3 249.7 7.10 

45 200 STD 219.1 211.7 11.30 204.8 229.1 9.90 189.9 248.8 8.50 174.6 270.8 7.20 

250 STD 261.8 251.8 11.40 244.9 274.0 9.90 227.4 298.9 8.50 209.2 326.3 7.20 

275 STD 293.1 285.3 11.30 274.0 309.0 9.80 254.2 335.7 8.40 233.8 365.3 7.20 

300 STD 331.6 319.0 11.40 310.6 345.1 9.90 288.6 374.5 8.60 265.9 407.3 7.30 

350 STD 363.9 358.7 11.10 339.7 388.6 9.70 314.7 422.2 8.30 288.9 459.5 7.10 

375 STD 399.8 390.7 11.20 374.2 423.2 9.80 347.4 459.6 8.40 319.7 500.2 7.20 

400 STD 439.3 425.0 11.30 411.4 459.8 9.90 382.3 498.9 8.50 352.1 542.4 7.30 

140 STD 162.7 153.1 11.70 151.5 166.5 10.10 140.0 181.4 8.60 127.6 196.5 7.30 

155 STD 177.7 169.8 11.50 165.5 183.9 10.00 153.0 199.8 8.60 139.5 216.0 7.30 

170 STD 192.8 186.6 11.40 179.7 201.6 9.90 166.2 218.5 8.50 151.8 235.9 7.20 

185 STD 213.2 203.8 11.50 199.1 220.2 10.00 184.6 238.7 8.60 168.1 256.2 7.40 

49 200 STD 234.3 221.4 11.60 219.1 239.2 10.10 203.3 259.3 8.70 184.4 276.3 7.50 

250 STD 279.2 262.3 11.70 261.5 285.0 10.20 243.1 310.2 8.80 217.2 324.8 7.50 

275 STD 312.5 297.8 11.60 292.4 321.9 10.10 271.6 349.0 8.70 243.3 365.4 7.50 

300 STD 353.7 333.2 11.70 331.5 360.0 10.20 308.3 390.1 8.80 273.6 401.8 7.60 

350 STD 388.2 374.5 11.40 362.7 404.8 9.90 336.4 438.7 8.60 302.4 462.6 7.30 

375 STD 426.3 407.9 11.50 399.3 441.0 10.00 371.1 478.1 8.70 332.6 500.3 7.50 

400 STD 468.6 444.1 11.60 439.2 479.7 10.20 408.5 519.6 8.80 362.4 535.3 7.60 

Notes : 

1. Ratins based on sea level altitude and evaporatot fouling factor of 0.0001 ft² °F hr/BTU 



4. EER = Energy Efficiency Ratio (Btu/watt-hour).The considered power input includes compressors, condenser fans and control power. 

5. Ratings are based on an evaporator temperature drop of 9°F. 

6. Interpolation betweeen points is permissible. Extrapolation is not permitted. 

7. Above 104°F ambient, the units will have the High Ambient option. 

32 RLC-PRC005-E4

Table P-6 - High Efficiency Units (English Units) 

RLC-PRC005-E4 


85 95 


105 115 125 

Evaporator 

Leaving 

Water 

Model 

Power 

Power 

Power 

Power 

Power 

Temperature and 

Input 

Input 

Input 

Input 

Input 

(°F) 

Size Tons (kW) EER Tons (kW) EER Tons (kW) EER Tons (kW) EER Tons (kW) EER 

120 HE 120.8 111.9 11.50 112.3 122.1 9.90 103.6 133.7 8.50 94.5 146.7 7.10 85.3 161.2 5.90 

130 HE 133.4 123.1 11.60 124.1 134.2 10.00 114.6 146.8 8.50 104.8 161.0 7.20 94.8 176.6 5.90 

140 HE 146.6 134.5 11.60 136.7 146.7 10.00 126.5 160.5 8.60 116.0 175.8 7.20 105.3 192.8 6.00 

155 HE 159.5 148.8 11.40 148.8 161.9 9.90 137.7 176.6 8.50 126.4 193.1 7.20 114.7 211.4 6.00 

170 HE 172.7 163.3 11.30 161.1 177.1 9.80 149.1 192.8 8.40 136.7 210.5 7.10 124.1 230.1 6.00 

185 HE 191.6 179.2 11.40 179.1 194.2 10.00 166.2 211.3 8.60 152.9 230.4 7.30 134.9 243.5 6.10 

41 200 HE 210.7 195.3 11.50 197.3 211.4 10.10 183.4 229.7 8.70 169.0 250.3 7.40 148.3 262.3 6.20 

250 HE 253.8 237.3 11.50 237.0 258.0 10.00 219.7 281.3 8.60 201.8 307.2 7.30 151.4 278.4 6.00 

275 HE 283.9 263.5 11.60 265.5 285.3 10.10 246.3 310.0 8.70 226.6 337.7 7.40 197.7 352.6 6.20 

300 HE 319.1 294.6 11.70 299.3 318.6 10.20 278.6 345.9 8.80 257.1 376.4 7.60 220.7 384.7 6.40 

350 HE 350.7 329.4 11.40 327.5 356.9 9.90 303.4 388.2 8.50 278.6 423.2 7.20 246.8 450.1 6.10 

375 HE 387.8 361.5 11.50 362.8 391.1 10.00 336.9 424.7 8.70 310.1 462.5 7.40 267.5 476.8 6.20 

400 HE 424.8 393.6 11.60 398.1 425.3 10.10 370.2 461.3 8.80 341.3 501.7 7.50 292.5 512.3 6.30 

120 HE 130.3 116.5 12.00 121.3 126.9 10.40 112.0 138.7 8.80 102.4 151.9 7.40 88.4 158.9 6.20 

130 HE 143.9 128.2 12.00 134.1 139.5 10.40 124.0 152.3 8.90 113.6 166.6 7.50 98.4 174.0 6.20 

140 HE 158.0 140.0 12.10 147.5 152.4 10.40 136.7 166.3 9.00 125.5 181.8 7.60 107.3 186.4 6.40 

155 HE 171.7 155.2 11.80 160.3 168.4 10.30 148.6 183.3 8.80 136.5 200.0 7.50 116.7 204.5 6.30 

170 HE 185.7 170.5 11.70 173.4 184.5 10.20 160.6 200.3 8.80 147.5 218.1 7.40 126.1 222.6 6.20 

185 HE 205.9 187.2 11.80 192.6 202.3 10.30 178.9 219.6 8.90 164.8 239.0 7.60 137.9 237.1 6.40 

45 200 HE 226.5 204.0 11.90 212.2 220.4 10.40 197.4 239.0 9.00 182.1 259.9 7.80 151.2 255.0 6.60 

250 HE 272.5 247.5 11.90 254.8 268.6 10.40 236.5 292.2 8.90 217.5 318.5 7.60 152.7 268.3 6.20 

275 HE 304.8 275.2 12.00 285.2 297.3 10.50 265.0 322.3 9.00 244.0 350.4 7.70 201.9 343.1 6.50 

300 HE 342.3 307.7 12.00 321.3 332.1 10.60 299.3 359.9 9.20 276.6 391.0 7.90 224.5 372.8 6.70 

350 HE 376.6 343.8 11.80 352.0 371.7 10.30 326.5 403.3 8.90 300.3 438.7 7.50 250.2 434.1 6.40 

375 HE 416.4 377.5 11.90 389.9 407.6 10.40 362.5 441.8 9.00 334.0 480.0 7.70 273.0 463.3 6.50 

400 HE 456.2 411.4 11.90 427.8 443.6 10.50 398.3 480.3 9.10 367.6 521.4 7.80 297.7 496.6 6.60 

120 HE 140.1 121.4 12.50 130.5 131.9 10.80 120.6 143.9 9.20 110.5 157.3 7.80 90.3 153.8 6.50 

130 HE 154.8 133.5 12.50 144.4 145.0 10.80 133.6 158.0 9.30 122.6 172.5 7.90 99.8 167.2 6.60 

140 HE 169.8 145.8 12.50 158.7 158.3 10.90 147.2 172.4 9.40 135.4 188.1 8.00 109.5 180.1 6.70 

155 HE 184.3 161.8 12.30 172.2 175.1 10.70 159.7 190.2 9.20 146.9 207.0 7.90 118.8 197.4 6.60 

170 HE 199.2 178.0 12.10 186.0 192.1 10.50 172.5 208.1 9.10 158.6 226.0 7.80 128.9 216.0 6.60 

185 HE 220.7 195.5 12.20 206.6 210.8 10.70 192.0 228.3 9.30 177.0 247.9 7.90 140.5 229.5 6.70 

49 200 HE 242.8 213.2 12.30 227.6 229.8 10.80 211.9 248.7 9.40 195.6 270.0 8.00 154.1 246.9 6.90 

250 HE 291.9 258.2 12.30 273.2 279.5 10.70 253.7 303.5 9.20 230.0 323.6 7.90 154.7 260.3 6.50 

275 HE 326.3 287.3 12.30 305.6 309.7 10.80 284.1 335.0 9.40 261.9 363.4 8.00 205.3 331.7 6.80 

300 HE 366.2 321.3 12.40 344.0 346.2 10.90 320.8 374.5 9.50 296.7 406.2 8.10 228.0 361.3 7.00 

350 HE 403.1 358.8 12.10 377.1 387.0 10.60 350.2 418.9 9.20 322.5 454.5 7.80 255.6 421.5 6.70 

375 HE 445.7 394.2 12.20 417.8 424.8 10.70 388.7 459.4 9.30 358.7 498.2 8.00 276.9 447.5 6.80 

400 HE 488.4 429.9 12.30 458.4 462.7 10.80 427.2 500.1 9.40 394.7 542.0 8.10 302.6 481.4 6.90 

Notes : 








33

Table P-7 - Standard Efficiency Low Noise Units (English Units) 

Evaporator 

Leaving 

Water 

Temperature 

(°F) 



85 95 104 

Model 

Power 

Power 

Power 

and 

Input 

Input 

Input 

Size Tons (kW) COP 

Tons (kW) COP 

Tons (kW) 

COP 

140 LN 134.2 154.1 10.10 124.0 168.4 8.60 114.6 182.5 7.30 

155 LN 147.0 169.7 10.00 135.9 185.0 8.50 125.7 200.1 7.30 

170 LN 160.2 185.7 10.00 148.3 202.0 8.50 137.4 218.3 7.30 

185 LN 177.4 202.7 10.10 164.6 220.4 8.70 152.7 238.0 7.50 

41 200 LN 195.0 219.9 10.20 181.1 239.0 8.80 168.3 257.9 7.60 

250 LN 233.4 263.9 10.20 216.8 288.1 8.70 199.5 307.7 7.50 

275 LN 261.4 297.1 10.20 242.8 323.0 8.70 223.6 344.6 7.60 

300 LN 296.0 331.6 10.30 275.4 360.0 8.90 251.5 378.4 7.70 

350 LN 324.2 373.6 10.00 300.6 406.3 8.60 277.6 436.2 7.40 

375 LN 357.1 406.6 10.20 331.8 442.0 8.70 307.1 474.2 7.50 

400 LN 392.2 441.5 10.30 364.8 479.3 8.80 333.1 503.6 7.70 

140 LN 143.5 161.2 10.30 132.7 175.8 8.80 117.9 179.2 7.60 

155 LN 157.0 177.8 10.20 145.3 193.3 8.70 129.6 197.6 7.60 

170 LN 170.9 194.6 10.20 158.2 211.2 8.70 141.3 215.2 7.60 

185 LN 189.2 212.5 10.30 175.6 230.6 8.80 156.7 234.3 7.80 

45 200 LN 208.0 230.8 10.40 193.2 250.3 9.00 170.7 250.0 8.00 

250 LN 248.6 276.0 10.40 231.1 300.7 8.90 202.8 298.1 7.90 

275 LN 278.2 311.2 10.40 258.5 337.7 8.90 226.1 331.9 7.90 

300 LN 315.1 347.6 10.50 293.2 376.9 9.00 256.0 368.0 8.10 

350 LN 345.2 391.2 10.20 320.3 424.6 8.80 281.6 421.4 7.80 

375 LN 380.0 425.9 10.30 353.4 462.2 8.90 311.9 460.0 7.90 

400 LN 417.6 463.0 10.50 388.6 501.8 9.00 339.1 490.0 8.00 

140 LN 152.9 168.7 10.50 141.5 183.6 9.00 119.5 171.9 8.10 

155 LN 167.2 186.2 10.40 154.8 202.0 8.90 131.3 189.6 8.10 

170 LN 181.7 203.9 10.30 168.3 220.7 8.90 143.5 207.6 8.00 

185 LN 201.2 222.8 10.50 186.7 241.3 9.00 159.6 227.1 8.20 

49 200 LN 221.2 242.2 10.60 205.5 262.2 9.10 173.5 241.3 8.40 

250 LN 263.9 288.6 10.60 245.5 313.8 9.10 206.5 288.3 8.30 

275 LN 295.2 325.8 10.50 274.4 352.9 9.10 228.9 318.2 8.40 

300 LN 334.5 364.5 10.70 311.3 394.6 9.20 259.7 354.2 8.50 

350 LN 366.4 409.6 10.40 340.1 443.4 8.90 285.7 405.4 8.20 

375 LN 403.3 446.1 10.50 375.1 483.2 9.00 315.7 441.4 8.30 

400 LN 443.3 485.5 10.60 412.7 525.4 9.10 344.1 471.7 8.50 

Notes : 








34 RLC-PRC005-E4

Table P-8 - High Efficiency Low Noise Units (English Units) 

Evaporator 

Leaving 

Water 

Temperature 

(°F) 

RLC-PRC005-E4 



85 95 105 115 

Unit 

kW 

kW 

kW 

kW 

Size Tons input EER Tons input EER Tons input EER Tons input 

EER 

120 HELN 116.4 120.6 11.10 107.7 131.8 9.40 98.8 144.4 7.90 89.7 158.4 6.60 

130 HELN 128.7 132.6 11.10 119.2 144.8 9.50 109.5 158.5 8.00 99.6 173.6 6.70 

140 HELN 141.6 145.0 11.20 131.4 158.3 9.50 121.0 173.2 8.10 110.4 189.6 6.80 

155 HELN 154.1 159.9 11.00 143.1 174.2 9.50 131.8 190.2 8.00 120.3 207.9 6.70 

170 HELN 166.8 175.0 10.90 154.9 190.2 9.40 142.6 207.2 8.00 130.1 226.2 6.70 

185 HELN 185.1 192.2 11.10 172.3 208.7 9.50 159.1 227.3 8.10 145.6 247.9 6.80 

41 200 HELN 203.7 209.5 11.20 189.8 227.3 9.60 175.5 247.3 8.20 160.8 269.5 6.90 

250 HELN 243.8 256.8 10.90 226.6 279.5 9.40 208.8 304.9 7.90 166.8 283.6 6.80 

275 HELN 274.0 282.8 11.10 255.0 306.8 9.60 235.4 333.8 8.20 213.3 359.4 6.90 

300 HELN 308.4 316.2 11.20 287.9 342.7 9.70 266.5 372.5 8.30 240.9 398.1 7.00 

350 HELN 338.6 352.9 11.00 314.8 383.2 9.50 290.2 417.2 8.00 265.0 454.9 6.80 

375 HELN 374.7 387.3 11.10 348.9 420.0 9.60 322.3 456.7 8.20 292.2 491.5 6.90 

400 HELN 410.6 421.8 11.20 382.9 456.9 9.70 354.2 496.1 8.30 318.2 526.5 7.00 

120 HELN 125.0 126.0 11.40 115.8 137.4 9.70 106.3 150.3 8.20 95.8 162.7 6.80 

130 HELN 138.2 138.5 11.40 128.2 151.0 9.80 117.9 164.9 8.30 106.3 178.1 6.90 

140 HELN 151.9 151.4 11.50 141.2 165.0 9.90 130.1 180.1 8.40 116.3 191.4 7.00 

155 HELN 165.2 167.2 11.30 153.5 181.7 9.70 141.5 197.9 8.30 127.4 211.8 7.00 

170 HELN 178.6 183.1 11.20 166.0 198.6 9.60 153.0 215.8 8.20 137.2 229.6 6.90 

185 HELN 198.1 201.2 11.30 184.5 218.1 9.80 170.4 237.0 8.30 149.6 243.9 7.10 

45 200 HELN 218.0 219.5 11.40 203.2 237.7 9.90 188.0 258.1 8.40 164.1 263.1 7.20 

250 HELN 260.7 268.6 11.20 242.4 291.9 9.60 223.6 317.7 8.20 168.9 273.7 7.10 

275 HELN 293.0 296.1 11.40 272.8 320.6 9.80 252.0 347.9 8.40 216.9 348.7 7.20 

300 HELN 329.5 331.1 11.50 307.7 358.4 9.90 285.0 388.8 8.50 244.1 385.1 7.40 

350 HELN 362.2 369.3 11.30 336.9 400.1 9.70 310.9 434.5 8.30 274.1 450.8 7.10 

375 HELN 400.6 405.6 11.40 373.4 439.0 9.80 345.2 476.3 8.40 297.0 476.8 7.20 

400 HELN 439.1 442.1 11.40 409.7 477.9 9.90 379.3 518.1 8.50 324.3 512.7 7.30 

120 HELN 133.8 131.7 11.70 124.0 143.3 10.00 113.9 156.4 8.40 97.4 157.2 7.20 

130 HELN 148.0 144.8 11.70 137.3 157.5 10.10 126.4 171.6 8.50 108.0 171.6 7.30 

140 HELN 162.6 158.1 11.80 151.2 171.9 10.10 139.5 187.2 8.60 118.1 184.2 7.40 

155 HELN 176.5 174.8 11.60 164.1 189.5 10.00 151.4 205.9 8.50 129.2 204.0 7.30 

170 HELN 190.7 191.6 11.40 177.3 207.3 9.90 163.5 224.7 8.40 139.7 222.4 7.30 

185 HELN 211.4 210.7 11.60 196.9 227.8 10.00 182.0 247.0 8.50 152.4 236.5 7.50 

49 200 HELN 232.6 230.0 11.60 216.9 248.6 10.10 200.8 269.5 8.60 166.0 252.6 7.60 

250 HELN 277.9 281.0 11.40 258.6 304.8 9.80 230.7 314.6 8.50 170.6 263.8 7.50 

275 HELN 312.2 309.9 11.60 290.9 334.8 10.10 268.9 362.6 8.60 220.8 337.5 7.60 

300 HELN 351.0 346.8 11.70 327.9 374.7 10.10 303.9 405.9 8.70 247.7 371.3 7.70 

350 HELN 386.1 386.3 11.50 359.4 417.5 9.90 331.9 452.4 8.50 278.6 435.6 7.40 

375 HELN 427.1 424.7 11.60 398.2 458.7 10.00 368.4 496.7 8.60 302.2 461.2 7.60 

400 HELN 468.1 463.2 11.70 437.0 500.0 10.10 404.8 541.2 8.70 329.3 494.4 7.70 

Notes : 








35


SI Units - Data in accordance with ARI 550/590-98. Information about ARI: www.ari.org 

Table P-9 - ARI Part-Load Performance for RTAC Standard 

Efficiency Units (SI Units) 

Unit 

% 

Load 

(kW) 

cooling 

P.I. 

(kW) 

COP 

(kW/kW) 

140 100 492.9 172.8 2.85 3.93 

75 369.7 115.8 3.19 

50 246.5 54.3 4.54 

25 123.2 28.5 4.32 

155 100 539.0 191.2 2.82 3.91 

75 404.4 127.1 3.18 

50 269.5 60.6 4.45 

25 134.7 29.6 4.54 

170 100 586.5 209.3 2.80 3.85 

75 439.6 137.7 3.19 

50 293.2 66.7 4.40 

25 146.6 35.1 4.18 

185 100 650.1 228.9 2.84 3.99 

75 487.5 148.1 3.29 

50 325.1 71.4 4.55 

25 162.5 37.0 4.39 

200 100 715.2 248.7 2.88 3.83 

75 536.4 173.7 3.09 

50 357.6 79.8 4.48 

25 178.8 43.7 4.09 

250 100 855.4 296.4 2.89 4.34 

75 641.3 171.6 3.74 

50 427.6 91.4 4.68 

25 213.8 40.3 5.31 

275 100 957.0 334.6 2.86 4.20 

75 717.6 193.7 3.70 

50 478.5 105.8 4.52 

25 239.2 49.4 4.85 

300 100 1084.7 373.7 2.90 4.02 

75 813.4 216.6 3.76 

50 542.3 136.3 3.98 

25 271.2 52.3 5.19 

350 100 1186.7 420.6 2.82 4.15 

75 889.8 243.6 3.65 

50 593.3 134.9 4.40 

25 296.7 58.4 5.08 

375 100 1306.9 458.3 2.85 4.23 

75 980.0 265.8 3.69 

50 653.5 144.8 4.51 

25 326.8 63.3 5.16 

400 100 1436.6 497.9 2.89 4.23 

75 1077.5 288.8 3.73 

50 718.5 161.0 4.46 

25 359.3 69.0 5.21 

Notes: 

1. IPLV values are rated in accordance with ARI Standard 550/590-98. 

2. COP and IPLV values include compressors, condenser fans and control kW. 

IPLV 

(kW/kW) Unit 

Table P-10 - ARI Part-Load Performance for RTAC High 

Efficiency Units (SI Units) 

120 100 423.3 139.7 3.03 4.10 

75 317.3 92.9 3.41 

50 211.7 45.3 4.67 

25 105.8 23.7 4.46 

130 100 468.0 154.2 3.04 4.16 

75 350.9 101.2 3.47 

50 234.0 50.0 4.68 

25 117.0 25.0 4.68 

140 100 514.7 169.0 3.05 4.04 

75 386.1 116.5 3.31 

50 257.4 55.1 4.67 

25 128.7 30.0 4.29 

155 100 559.4 185.7 3.01 4.01 

75 419.7 127.8 3.28 

50 279.7 61.1 4.58 

25 139.9 30.9 4.53 

170 100 605.1 204.0 2.97 3.95 

75 453.6 137.7 3.29 

50 302.6 66.9 4.52 

25 151.3 36.2 4.17 

185 100 672.3 223.5 3.01 4.08 

75 504.2 148.5 3.39 

50 336.1 72.2 4.66 

25 168.1 38.1 4.41 

200 100 740.8 242.9 3.05 3.94 

75 555.7 173.5 3.20 

50 370.4 80.4 4.60 

25 185.2 44.9 4.13 

250 100 889.6 294.4 3.02 4.39 

75 667.1 174.0 3.83 

50 444.8 93.0 4.79 

25 222.4 44.5 4.99 

275 100 995.7 326.0 3.05 4.36 

75 746.8 192.8 3.87 

50 498.0 107.6 4.63 

25 248.9 48.3 5.16 

300 100 1122.0 363.9 3.08 4.13 

75 841.2 215.6 3.90 

50 560.9 140.0 4.01 

25 280.5 51.0 5.50 

350 100 1228.8 410.5 2.99 4.25 

75 921.7 244.2 3.77 

50 614.5 135.4 4.54 

25 307.3 62.7 4.90 

375 100 1361.4 449.5 3.03 4.32 

75 1021.0 267.7 3.81 

50 680.8 146.6 4.64 

25 340.4 68.3 4.99 

400 100 1493.6 488.5 3.06 4.32 

75 1120.2 290.8 3.85 

50 746.9 162.9 4.59 

25 373.5 74.1 5.04 

Notes: 



36 RLC-PRC005-E4 

% 

Load 

(kW) 

cooling 

P.I. 

(kW) 

COP 

(kW/kW) 

IPLV 

(kW/kW)


Efficiency Low Noise Units (SI Units) 

Unit 

% 

Load 

140 100 463.4 180.3 2.57 3.86 

75 347.6 114.0 3.05 

50 231.7 52.3 4.43 

25 115.9 24.9 4.64 

155 100 507.4 199.0 2.55 3.90 

75 380.6 123.2 3.09 

50 253.7 57.0 4.45 

25 126.9 26.2 4.84 

170 100 552.7 216.7 2.55 3.84 

75 414.5 133.2 3.11 

50 276.4 63.5 4.35 

25 138.2 30.2 4.57 

185 100 613.5 236.9 2.59 4.00 

75 460.1 142.3 3.23 

50 306.8 67.3 4.56 

25 153.4 32.3 4.75 

200 100 675.1 257.7 2.62 3.80 

75 506.3 170.0 2.98 

50 337.6 76.1 4.43 

25 168.8 38.3 4.41 

250 100 807.3 309.3 2.61 4.45 

75 605.4 164.8 3.67 

50 403.7 86.3 4.68 

25 201.9 31.2 6.48 

275 100 903.3 347.4 2.60 4.24 

75 677.4 185.3 3.66 

50 451.7 98.3 4.60 

25 225.8 44.5 5.07 

300 100 1024.9 387.6 2.64 4.09 

75 768.4 207.0 3.71 

50 512.4 123.8 4.14 

25 256.2 47.8 5.36 

350 100 1119.1 436.8 2.56 4.23 

75 839.3 232.6 3.61 

50 559.7 128.3 4.36 

25 279.9 46.0 6.09 

375 100 1234.8 475.4 2.60 4.35 

75 926.1 253.9 3.65 

50 617.5 136.2 4.53 

25 308.8 49.0 6.31 

400 100 1357.9 516.1 2.63 4.32 

75 1018.4 276.0 3.69 

50 679.0 153.5 4.42 

25 339.6 54.2 6.27 

Notes: 



RLC-PRC005-E4 

(kW) 

cooling 

P.I. 

(kW) 


COP 

(kW/kW) 

IPLV 

(kW/kW) Unit 


Efficiency Low Noise Units (SI Units) 

% 

Load 

(kW) 

cooling 

P.I. 

(kW) 

COP 

(kW/kW) 

IPLV 

(kW/kW) 

120 100 404.3 142.4 2.84 4.20 

75 303.2 88.8 3.41 

50 202.2 42.8 4.73 

25 101.1 20.0 5.06 

130 100 447.6 156.5 2.86 4.30 

75 335.7 96.2 3.49 

50 223.8 46.2 4.85 

25 111.9 21.4 5.23 

140 100 492.6 171.0 2.88 4.14 

75 369.5 111.8 3.30 

50 246.3 51.7 4.76 

25 123.2 25.3 4.87 

155 100 535.8 188.7 2.84 4.17 

75 401.9 121.5 3.31 

50 267.9 56.3 4.76 

25 134.0 26.3 5.09 

170 100 579.4 206.2 2.81 4.08 

75 434.6 130.7 3.32 

50 289.7 62.5 4.64 

25 144.9 30.4 4.77 

185 100 644.5 229.4 2.81 4.24 

75 483.4 140.6 3.44 

50 322.3 66.7 4.83 

25 161.1 32.4 4.98 

200 100 709.9 252.6 2.81 4.04 

75 532.4 167.0 3.19 

50 355.0 75.4 4.70 

25 177.5 38.3 4.63 

250 100 846.7 301.9 2.80 4.67 

75 634.9 164.5 3.86 

50 423.4 84.6 5.01 

25 211.7 33.1 6.40 

275 100 952.8 331.6 2.87 4.54 

75 714.6 181.5 3.94 

50 476.5 97.3 4.90 

25 238.2 43.6 5.47 

300 100 1074.8 370.5 2.90 4.31 

75 806.0 203.3 3.96 

50 537.4 125.7 4.27 

25 268.7 46.6 5.76 

350 100 1176.8 415.1 2.84 4.48 

75 882.6 228.0 3.87 

50 588.5 126.3 4.66 

25 294.3 48.6 6.06 

375 100 1304.1 455.0 2.87 4.60 

75 978.0 250.4 3.91 

50 652.1 135.2 4.82 

25 326.1 51.8 6.30 

400 100 1431.0 495.0 2.89 4.54 

75 1073.2 272.6 3.94 

50 715.6 152.4 4.70 

25 357.9 57.5 6.23 

Notes: 



37


English Units - Data in accordance with ARI 550/590-98. Information about ARI: 

www.ari.org 


Efficiency Units (English Units) 

Unit 

% 

Load 

(kW) 

cooling 

P.I. 

(kW) 

COP 

(kW/kW) 

140 100 141.2 172.8 9.80 13.42 

75 105.9 115.8 10.89 

50 70.6 54.3 15.50 

25 35.3 28.5 14.75 

155 100 154.4 191.2 9.7 13.35 

75 115.8 127.1 10.86 

50 77.2 60.6 15.19 

25 38.6 29.6 15.51 

170 100 167.9 209.3 9.6 13.14 

75 125.9 137.7 10.90 

50 84.0 66.7 15.00 

25 42.0 35.1 14.28 

185 100 186.1 228.9 9.7 13.60 

75 139.6 148.1 11.23 

50 93.1 71.4 15.53 

25 46.5 37.0 15.00 

200 100 204.8 248.7 9.9 13.08 

75 153.6 173.7 10.54 

50 102.4 79.8 15.28 

25 51.2 43.7 13.97 

250 100 245.3 399.4 9.90 14.90 

75 183.9 230.6 12.84 

50 122.6 123.0 16.06 

25 61.3 54.2 18.23 

275 100 274.4 450.9 9.81 14.42 

75 205.8 260.3 12.73 

50 137.2 142.4 15.52 

25 68.6 66.3 16.65 

300 100 311.0 503.6 9.95 13.80 

75 233.2 291.1 12.90 

50 155.5 183.4 13.65 

25 77.8 70.3 17.82 

350 100 340.1 566.7 9.67 14.23 

75 255.0 327.3 12.55 

50 170.1 181.9 15.05 

25 85.0 78.5 17.45 

375 100 374.6 617.5 9.78 14.05 

75 280.9 357.2 12.66 

50 187.3 195.1 14.46 

25 93.7 85.1 17.72 

400 100 411.8 670.9 9.89 14.50 

75 308.8 388.2 12.81 

50 205.9 217.1 15.27 

25 103.0 92.8 17.87 

Notes: 


2. EER and IPLV values include compressors, condenser fans and control kW. 

IPLV 

(kW/kW) Unit 


Efficiency Units (English Units) 

120 100 121.3 139.7 10.4 14.00 

75 91.0 92.9 11.66 

50 60.7 45.3 15.94 

25 30.3 23.7 15.23 

130 100 134.1 154.2 10.4 14.19 

75 100.6 101.2 11.84 

50 67.1 50.0 15.99 

25 33.5 25.0 15.97 

140 100 147.5 169.0 10.4 13.79 

75 110.6 116.5 11.31 

50 73.8 55.1 15.95 

25 36.9 30.0 14.63 

155 100 160.3 185.7 10.3 13.69 

75 120.2 127.8 11.21 

50 80.2 61.1 15.62 

25 40.1 30.9 15.44 

170 100 173.4 204.0 10.2 13.48 

75 130.05 137.7 11.24 

50 86.7 66.9 15.43 

25 43.35 36.2 14.25 

185 100 192.6 223.5 10.3 13.93 

75 144.5 148.5 11.58 

50 96.3 72.2 15.90 

25 48.2 38.1 15.07 

200 100 212.2 242.9 10.4 13.46 

75 159.2 173.5 10.93 

50 106.1 80.4 15.72 

25 53.1 44.9 14.09 

250 100 255.1 396.7 10.34 15.09 

75 191.3 233.8 13.18 

50 127.6 125.0 16.43 

25 63.8 59.8 17.17 

275 100 285.6 439.2 10.48 14.97 

75 214.2 259.1 13.31 

50 142.8 144.7 15.89 

25 71.4 64.9 17.72 

300 100 321.7 490.4 10.57 14.19 

75 241.3 289.8 13.41 

50 160.9 188.4 13.75 

25 80.4 68.6 18.87 

350 100 352.2 553.0 10.27 14.56 

75 264.2 328.2 12.96 

50 176.2 182.5 15.54 

25 88.1 84.3 16.82 

375 100 390.3 605.6 10.39 14.82 

75 292.7 359.7 13.10 

50 195.2 197.6 15.91 

25 97.6 91.8 17.12 

400 100 428.1 658.2 10.48 14.80 

75 321.1 390.8 13.23 

50 214.1 219.7 15.69 

25 107.1 99.7 17.29 

Notes: 




% 

Load 

(kW) 

cooling 

P.I. 

(kW) 

COP 

(kW/kW) 

IPLV 

(kW/kW)


Efficiency Low Noise (English Units) 

% 

(kW) 

P.I. 

COP IPLV 

Unit Load cooling (kW) (kW/kW) 

140 100 132.7 180.3 8.80 13.17 

75 99.5 114.0 10.41 

50 66.4 52.3 15.13 

25 33.2 24.9 15.85 

155 100 145.3 199.0 8.70 13.33 

75 109.0 123.2 10.54 

50 72.7 57.0 15.18 

25 36.3 26.2 16.50 

170 100 158.2 216.7 8.70 13.11 

75 118.7 133.2 10.62 

50 79.1 63.5 14.86 

25 39.6 30.2 15.59 

185 100 175.6 236.9 8.80 13.66 

75 131.7 142.3 11.03 

50 87.8 67.3 15.55 

25 43.9 32.3 16.20 

200 100 193.2 257.7 9.00 12.98 

75 144.9 170.0 10.17 

50 96.6 76.1 15.13 

25 48.3 38.3 15.05 

250 100 231.4 417.1 8.94 15.28 

75 173.5 221.4 12.61 

50 115.7 116.2 16.04 

25 57.9 41.8 22.28 

275 100 258.8 468.4 8.91 14.54 

75 194.1 249.0 12.55 

50 129.4 132.2 15.76 

25 64.7 59.8 17.41 

300 100 293.6 522.8 9.05 14.04 

75 220.2 278.2 12.74 

50 146.8 166.6 14.19 

25 73.4 64.2 18.40 

350 100 320.5 588.8 8.77 14.51 

75 240.4 312.6 12.38 

50 160.3 173.0 14.92 

25 80.2 61.8 20.88 

375 100 353.7 641.0 8.89 14.93 

75 265.3 341.2 12.52 

50 176.9 183.5 15.52 

25 88.5 65.8 21.65 

400 100 388.9 695.9 9.01 14.80 

75 291.7 370.9 12.66 

50 194.5 206.9 15.13 

25 97.3 72.8 21.51 

Notes: 



RLC-PRC005-E4 


(kW/kW) Unit 


Efficiency Low Noise Units (English Units) 

% 

(kW) 

P.I. 

COP IPLV 

Load cooling (kW) (kW/kW) (kW/kW) 

120 100 115.8 142.4 9.70 14.32 

75 86.85 88.8 11.66 

50 57.9 42.8 16.14 

25 28.95 20.0 17.25 

130 100 128.2 156.5 9.80 14.69 

75 96.15 96.2 11.91 

50 64.1 46.2 16.55 

25 32.05 21.4 17.85 

140 100 141.2 171.0 9.90 14.14 

75 105.9 111.8 11.28 

50 70.6 51.7 16.25 

25 35.3 25.3 16.62 

155 100 153.5 188.7 9.70 14.23 

75 115.1 121.5 11.29 

50 76.8 56.3 16.24 

25 38.4 26.3 17.36 

170 100 166 206.2 9.60 13.94 

75 124.5 130.7 11.34 

50 83.0 62.5 15.83 

25 41.5 30.4 16.28 

185 100 184.5 229.4 9.80 14.49 

75 138.4 140.6 11.74 

50 92.3 66.7 16.49 

25 46.1 32.4 17.00 

200 100 203.2 252.6 9.90 13.79 

75 152.4 167.0 10.88 

50 101.6 75.4 16.06 

25 50.8 38.3 15.80 

250 100 242.7 406.9 9.61 16.03 

75 182.0 221.1 13.25 

50 121.3 113.8 17.17 

25 60.7 44.4 22.02 

275 100 273.1 447.0 9.85 15.59 

75 204.8 244.0 13.52 

50 136.6 130.8 16.80 

25 68.3 58.6 18.76 

300 100 308.1 499.6 9.94 14.78 

75 231.0 273.3 13.61 

50 154.0 169.2 14.66 

25 77.0 62.7 19.77 

350 100 337.1 559.4 9.71 15.34 

75 252.8 306.4 13.29 

50 168.6 170.3 15.94 

25 84.3 65.3 20.79 

375 100 373.6 613.4 9.82 15.75 

75 280.2 336.5 13.41 

50 186.9 182.2 16.51 

25 93.4 69.6 21.62 

400 100 409.9 667.2 9.90 15.56 

75 307.5 366.4 13.51 

50 205.0 205.5 16.06 

25 102.5 77.3 21.37 

Notes: 



39

Table P-17 - Performance Data Adjustment Factors 

Fouling 

Factor 

Compressor 

(SI) 


Altitude 

Sea level 600 m 1200 m 1800 m 

4 0.998 1.500 0.999 0.986 1.485 1.011 0.974 1.466 1.026 0.96 1.443 1.044 

5 1.000 1.200 1.000 0.989 1.188 1.011 0.975 1.172 1.027 0.961 1.154 1.045 

0.0176 6 1.000 1.000 1.000 0.99 0.990 1.013 0.977 0.977 1.028 0.962 0.962 1.046 

m² K/kW 7 1.002 0.857 1.001 0.991 0.849 1.013 0.979 0.837 1.029 0.964 0.825 1.047 

8 1.003 0.750 1.001 0.992 0.743 1.015 0.98 0.733 1.03 0.966 0.722 1.049 

9 1.004 0.667 1.02 0.995 0.660 1.016 0.982 0.651 1.031 0.967 0.641 1.05 

10 1.005 0.600 1.025 0.997 0.594 1.017 0.983 0.586 1.032 0.97 0.577 1.051 

4 0.982 1.479 0.99 0.972 1.464 1.020 0.96 1.446 1.017 0.946 1.425 1.035 

5 0.984 1.183 0.991 0.974 1.171 1.030 0.962 1.157 1.019 0.947 1.140 1.036 

0.044 6 0.986 0.986 0.992 0.976 0.976 1.050 0.964 0.964 1.02 0.95 0.950 1.038 

m² K/kW 7 0.987 0.845 0.993 0.978 0.837 1.060 0.966 0.826 1.021 0.952 0.814 1.039 

8 0.99 0.740 0.995 0.98 0.732 1.080 0.968 0.723 1.022 0.954 0.713 1.041 

9 0.993 0.657 0.996 0.983 0.651 1.090 0.97 0.643 1.023 0.956 0.633 1.042 

10 0.995 0.592 0.997 0.985 0.586 1.010 0.973 0.578 1.024 0.958 0.570 1.043 

Fouling 

Factor 

Compressor 

(SI) 

Chilled Water 

Temperature 

Drop °C 

Chilled Water 

Temperature 

Drop °C 

Cooling 

Capacity 

Cooling 

Capacity 

Evaporator 

Flow Rate 

Compressor 

kW 

Cooling 

Capacity 

Evaporator 

Flow Rate 

Altitude 

Sea level 2000 ft 4000 ft 6000 ft 

Evaporator 

gpm 

Compressor 

kW 

Cooling 

Capacity 

Evaporator 

gpm 

8 0.997 1.246 0.999 0.987 1.233 1.012 0.975 1.217 1.027 0.960 1.200 1.045 

10 1 1 1 0.989 0.989 1.013 0.977 0.977 1.028 0.963 0.963 1.047 

0.0001 12 1.003 0.835 1.001 0.992 0.826 1.014 0.979 0.816 1.030 0.965 0.804 1.048 

14 1.004 0.717 1.002 0.993 0.710 1.016 0.981 0.701 1.031 0.966 0.690 1.049 

16 1.006 0.629 1.003 0.995 0.622 1.016 0.982 0.614 1.032 0.968 0.605 1.050 

8 0.982 1.227 0.991 0.972 1.215 1.003 0.961 1.200 1.018 0.947 1.183 1.036 

10 0.986 0.985 0.992 0.975 0.975 1.005 0.963 0.963 1.020 0.950 0.950 1.038 

0.00025 12 0.988 0.823 0.994 0.978 0.815 1.006 0.966 0.805 1.022 0.952 0.793 1.040 

14 0.991 0.708 0.995 0.980 0.700 1.008 0.968 0.692 1.023 0.954 0.682 1.041 

16 0.992 0.621 0.996 0.982 0.614 1.009 0.970 0.606 1.024 0.956 0.598 1.042 


Compressor 

kW 

Compressor 

kW 

Cooling 

Capacity 

Cooling 

Capacity 

Evaporator 

Flow Rate 

Evaporator 

gpm 

Compressor 

kW 

Compressor 

kW 

Cooling 

Capacity 

Cooling 

Capacity 

Evaporator 

Flow Rate 

Evaporator 

gpm 

Compressor 

kW 

Compressor 

kW

RLC-PRC005-E4 


Figure P-18 - Evaporator Water Pressure Drop (SI) 

Evaporator Water Pressure Drop (SI) 

kPa 

Legend 

ft of WG 

100 

80 

60 

50 

40 

30 

20 

10 

8 

6 

5 

4 

3 

2 

1 

3 

4 5 

8 

Water Flow Rate L/s 

1 = RTAC 120HE - 140STD 9 = RTAC 275 STD 

2 = RTAC 130HE - 155STD 10 = RTAC 300 STD - 250 HE 

3 = RTAC 170 STD - 140 HE 11 = RTAC 275HE - 300 HE 

4 = RTAC 185 STD - 155 HE 12 = RTAC 350 STD 


6 = RTAC 185 HE 14 = RTAC 400 STD - 350 HE 

7 = RTAC 200 HE 15 = RTAC 375 HE 

8 = RTAC 250 STD 16 = RTAC 400 HE 

Figure P-19 - Water Side Pressure Drop (English Units) 

ft of WG 

Legend 

2 

6 

7 10 11 

9 13 14 15 

12 15 16 

1 

100 1000 10000 

(GPM) 

Water Flow Rate gpm 

1 = RTAC 120HE - 140STD 9 = RTAC 275 STD 

2 = RTAC 130HE - 155STD 10 = RTAC 300 STD - 250 HE 

3 = RTAC 170 STD - 140 HE 11 = RTAC 275HE - 300 HE 



6 = RTAC 185 HE 14 = RTAC 400 STD - 350 HE 

7 = RTAC 200 HE 15 = RTAC 375 HE 

8 = RTAC 250 STD 16 = RTAC 400 HE 

41

Controls 

Figure 7 - Easy View 

Figure 8 - Dyna View 

Safety Controls 

A centralized microcomputer offers 

a higher level of machine 

protection. Because the safety 

controls are smarter, they limit 

compressor operation in order to 

avoid compressor or evaporator 

failures, thereby minimizing 

nuisance shutdowns. Tracer 

Chiller Controls directly senses the 

control variables that govern the 

operation of the chiller: motor 

current draw, evaporator pressure, 

condenser pressure. When any one 

of these variables approaches a 

limit condition at which the unit 

may be damaged or shut down on a 

safety, Tracer Chiller Controls takes 

corrective action to avoid shutdown 

and keep the chiller operating. It 

does this through combined actions 

of compressor slide-valve 

modulation, electronic expansionvalve 

modulation, and fan staging. 

Tracer Chiller Controls optimizes 

total chiller power consumption 

during normal operating conditions. 

During abnormal operating 

conditions, the microprocessor will 

continue to optimize chiller 

performance by taking the 

corrective action necessary to avoid 

shutdown. This keeps cooling 

capacity available until the problem 

can be solved. Whenever possible, 

the chiller is allowed to perform its 

function: make chilled water. In 

addition, microcomputer controls 

allow for more types of protection, 

such as over and under voltage! 

(option) Overall, the safety controls 

help keep the building or process 

running and out of trouble. 

Stand-alone controls 

Interfacing to stand-alone units is 

very simple: only a remote 

auto/stop for scheduling is required 

for unit operation. Signals from the 

chilled-water pump contactor 

auxiliary, or a flow switch, are wired 

to the chilled-water flow interlock. 

Signals from a time clock or some 

other remote device are wired to 

the external auto/stop input. 

Tracer Chiller Control human 

interfaces 

The Trane air-cooled Series R Model 

RTAC chiller offers two easy-to-use 

operator interface panels, the 

EasyView, and the DynaView. 

Standard Features 

External Auto/Stop 

A job-site-provided contact closure 

will turn the unit on and off. 

Chilled Waterflow Interlock 

A job-site-provided contact closure 

from a chilled-water pump 

contactor, or a flow switch, is 

required and will allow unit 

operation if a load exists. This 

feature will allow the unit to run in 

conjunction with the pump system. 

External Interlock 

A job-site-provided contact opening 

wired to this input will turn the unit 

off and require a manual reset of 

the unit microcomputer. This closure 

is typically triggered by a job-siteprovided 

system such as a fire 

alarm. 

Chilled Water Pump Control 

Unit controls provide an output to 

control the chilled-water pump(s). 

One contact closure to the chiller is 

all that is required to initiate the 

chilled-water system. Chilled water 

pump control by the chiller is a 

requirement on all the Air-Cooled 

Series R Chillers. 

42 RLC-PRC005-E4

RLC-PRC005-E4 

Controls 

Alarm Indication Contacts 

Four factory-installed contacts with 

the following preset default 

assignments: 

Alarm 

Chiller running 

Maximum capacity 

Chiller limit. 

Additional Features that May Be 

Added 

(require some optional factoryinstalled 

hardware) 

Ice-making card 

Tracer communication card 

Chilled water and remote currentlimit 

set point card. 

Note: All wiring outside the unit is 

supplied at the job site. 

Easy Interface to A Generic Building 

Management System 

Controlling the air-cooled Series R 

chiller with building management 

systems is state-of-the-art, yet 

simple with either the LonTalk 

Communications Interface for 

Chillers (LCI-C) or Generic Building 

Management System Hardwire 

Points. 

Simple Interface with Other Control 

Systems 

Microcomputer controls afford 

simple interface with other control 

systems, such as time clocks, 

building automation systems, and 

ice storage systems. This means 

you have the flexibility to meet job 

requirements while not having to 

learn a complicated control system. 

This setup has the same standard 

features as a stand-alone water 

chiller, with the possibility of having 

additional optional features. 

What are LonTalk, Echelon, and 

LonMark? 

LonTalk is a communications 

protocol developed by the Echelon 

Corporation. The LonMark 

association develops control 

profiles using the LonTalk 

communication protocol. LonTalk is 

a unit level communications 

protocol, unlike BACNet used at the 

system level. 

LonTalk Communications 

Interface for Chillers 

(LCI-C) 

LonTalk Communications Interface 

for Chillers (LCI-C) provides a 

generic automation system with the 

LonMark chiller profile 

inputs/outputs. The inputs/ outputs 

include both mandatory and 

optional network variables. Note: 

LonMark network variable names 

are in parentheses when different 

from chiller naming convention. 

Chiller Inputs: 

Chiller Enable/Disable 

Chilled Liquid Setpoint (Cool 

Setpoint) 

Current Limit Setpoint (Capacity 

Limit Input) 

Ice Making (Chiller Mode) 

Chiller Enable/Disable 

Allows for chiller to be started or 

stopped depending on if certain 

operating conditions are met. 

Chilled Liquid Setpoint 

Allows for the external setting 

independent of the front panel 

setpoint to adjust the leaving water 

temperature setpoint. 

Current Limit Setpoints 

Allows for the external setting 


setpoint to limit the capacity level of 

the chiller. 

Ice Making 

Provides interface with ice making 

control systems. Please refer to 

page 9 for more information. 

Chiller Outputs: 

On/Off o Active Setpoint 

Average Percent RLA (Actual 

Capacity Level) 

Active Current Limit Setpoint 

(Capacity Limit) 

Leaving Chilled Water Temperature 

Entering Chilled Water 

Temperature 

Alarm Descriptor 

Chiller Status 

43

Controls 

On/Off 

Indicates the current state of the 

chiller 

Active Setpoint 

Indicates the current value of the 

leaving water temperature setpoint 

Average Percent RLA 

Provides the current capacity level 

via %RLA 

Active Current Limit Setpoint 

Provides the current capacity level 

setpoint via %RLA 

Leaving Chilled Water Temperature 

Provides the current leaving water 

temperature 

Entering Chilled Water Temperature 

Provides the current entering water 

temperature 

Alarm Descriptor 

Provides alarm messages based on 

predetermined criteria 

Chiller Status 

Indicates the running modes and 

states of the chiller, i.e. Running in 

alarm mode, chiller enabled, chiller 

being locally controlled, etc… 

Generic Building 

Management System 

Hardwire Points 

GBAS may be achieved via 

hardware input/output as well. The 

input/outputs are as follows: 

Chiller hardwire inputs include: 

Chiller enable/disable 

Circuit enable/disable 

External chilled water setpoint - 

option 

External current limit setpoint - 

option 

Ice making enable - option 

External Chilled Water Setpoint - 

option 

Allows the external setting 


setpoint by one of two means: 

a) 2-10 VDC input, or 

b) 4-20 mA input 

External Current Limit Setpoint - 

option 

Allows the external setting 


setpoint by one of two means: 

a) 2-10 VDC input, or 

b) 4-20 mA input 

Chiller hardwire outputs include: 

Compressor running indication 

Alarm indication (Ckt1/Ckt 2) 

Maximum capacity 

Ice making status 

Alarm Indication Contacts 

The unit provides three single-pole/ 

double-throw contact closures to 

indicate: 

a) Compressor on/off status 

b) Compressor running at 

maximum capacity 

c) Failure has occurred (Ckt 

1/Ckt 2) 

These contact closures may be used 

to trigger jobsite supplied alarm 

lights or alarm bells. 

Ice Making Control - option 

Provides interface with ice making 

control systems. 

44 RLC-PRC005-E4

Tracer Summit Controls 

— Interface with the Trane 

Integrated Comfort 

System (ICS) 

Trane Chiller Plant Control 

The Tracer Chiller Plant Manager 

building management system 

provides building automation and 

energy management functions 

through stand-alone control. The 

Chiller Plant Control is capable of 

monitoring and controlling your 

entire chiller plant system. 

Application software available: 

Time-of-day scheduling 

Demand limiting 

Chiller sequencing 

Process control language 

Boolean processing 

Zone control 

Reports and logs 

Custom messages 

Run time and maintenance 

Trend log 

PID control loops 

And of course, the Trane Chiller 

Plant Control can be used on a 

stand-alone basis or tied into a 

complete building automation 

system. 

When the air-cooled Series R 

chiller is used in conjunction with a 

Trane Tracer Summit system, the 

unit can be monitored and 

controlled from a remote location. 

The air-cooled Series R chiller can 

be controlled to fit into the overall 

building automation strategy by 

using time-of-day scheduling, timed 

override, demand limiting, and 

chiller sequencing. A building 

owner can completely monitor the 

air-cooled Series R chiller from the 

Tracer system, since all of the 

monitoring information indicated 

on the microcomputer can be read 

on the unit controllers Tracer system 

display. In addition, all the powerful 

diagnostic information can be read 

back at the Tracer system. Best of 

all, this powerful capability comes 

over a single twisted pair of wires! 

Air-cooled Series R chillers can 

interface with many different 

external control systems, from 

simple stand-alone units to icemaking 

systems. Each unit requires 

a single-source, three-phase power 

supply and a 115-volt power supply. 

RLC-PRC005-E4 

Controls 

The 115-volt supply handles the 

freeze protection for the evaporator 

heaters. 

A single twisted pair of wires tied 

directly between the air-cooled 

Series R chiller and a Tracer 

Summit system provides control, 

monitoring, and diagnostic 

capabilities. Control functions 

include auto/stop, adjustment of 

leaving-water-temperature set point, 

compressor operation lockout for 

kW demand limiting, and control of 

ice-making mode. The Tracer system 

reads monitoring information such 

as entering- and leaving-evaporatorwater 

temperatures and outdoor air 

temperature. Over 60 individual 

diagnostic codes can be read by the 

Tracer system. In addition, the 

Tracer system can provide 

sequencing control for up to 

25 units on the same chilled-water 

loop. Pump sequencing control can 

be provided from the Tracer system. 

Tracer ICS is not available in 

conjunction with the external set 

point capability. 

Required Options 

1 

Tracer Interface 

Additional Options that May Be 

Used 

Ice-Making Control 

External Trane Devices Required 

Tracer Summit, Tracer 100 System 

or Tracer Chiller Plant Control 

Ice-Making Systems Controls 

An ice-making option may be 

ordered with the air-cooled Series 

R chiller. The unit will have two 

operating modes, ice making and 

normal daytime cooling. In the icemaking 

mode, the air-cooled Series 

R chiller will operate at full 

compressor capacity until the return 

chilled-fluid temperature entering 

the evaporator meets the icemaking 

set point. Two input signals 

are required to the air-cooled Series 

R chiller for the ice-making option. 

The first is an auto/stop signal for 

scheduling, and the second is 

required to switch the unit between 

the ice-making mode and normal 

daytime operation. The signals are 

provided by a remote job site 

building-automation device such as 

a time clock or a manual switch. In 

addition, the signals may be 

provided over the twisted wire pair 

from a Tracer system, or a LonTalk 

Communication Interface but will 

require the communication boards 

provided with the Ice Making 

Control Option. 

Additional Options That May Be 

Used 

Failure Indication Contacts 

Communications Interface (For 

Tracer Systems) 

Chilled-Water Temperature Reset 

45

Job Site Data 

Table J-1 - Customer Wire Selection RTAC 120 - 200 

Unit without 

Unit with 

Disconnect Switch 


Voltage 

400/3/50 

Wire Selection Size to 

Main Terminal Block Wire Selection Size to Disconnect Switch 

Unit 

Size 

Standard 

Maximum cable 

size mm² 


size (Amps) 

Maximum cable 

size mm 

140 2x240 625 2x240 

155 2x240 925 2x240 

170 2x240 925 2x240 

185 2x240 925 2x240 

200 

Standard Low Noise 

2x240 925 2x240 

140 2x240 625 2x240 

155 2x240 925 2x240 

170 2x240 925 2x240 

185 2x240 925 2x240 

200 

High Efficiency 

2x240 925 2x240 

120 2x240 625 2x240 

130 2x240 625 2x240 

140 2x240 625 2x240 

155 2x240 925 2x240 

170 2x240 925 2x240 

185 2x240 925 2x240 

200 

High Efficiency Low Noise 

2x240 925 2x240 

120 2x240 625 2x240 

130 2x240 625 2x240 

140 2x240 625 2x240 

155 2x240 925 2x240 

170 2x240 925 2x240 

185 2x240 925 2x240 

200 2x240 925 2x240 

2 

Table J-2 - Customer Wire Selection RTAC 250 - 400 

Unit without 

Unit with 



Voltage 

400/3/50 

Wire Selection Size to 

Main Terminal Block Wire Selection Size to Disconnect Switch 

Unit 

Size 

Standard 

Maximum cable 

size mm² 


size (Amps) 

Maximum cable 

size mm 

250 4x185 1000 4x185 

275 4x185 1000 4x185 

300 4x195 1250 4x195 

350 4x195 1250 4x195 

375 6x240 1600 6x240 

400 


6x240 1600 6x240 

250 4x185 1000 4x185 

275 4x185 1000 4x185 

300 4x195 1250 4x195 

350 4x195 1250 4x195 

375 6x240 1600 6x240 

400 


6x240 1600 6x240 

250 4x185 1000 4x185 

275 4x185 1000 4x185 

300 4x195 1250 4x195 

350 4x195 1250 4x195 

375 6x240 1600 6x240 

400 


6x240 1600 6x240 

250 4x185 1000 4x185 

275 4x185 1000 4x185 

300 4x195 1250 4x195 

350 4x195 1250 4x195 

375 6x240 1600 6x240 

400 6x240 1600 6x240 

Note: the material for busbar is copper. 

2 

46 RLC-PRC005-E4

Table E-1 - Electrical Data RTAC 120 - 200 400/3/50 

Unit Wiring 

Unit 

Size 

Standard 

140 1 398 432 0.90 250/250 35.0 

155 1 437 469 0.89 315/250 35.0 

170 1 475 500 0.89 315/315 35.0 

185 1 525 568 0.89 400/400 35.0 

200 1 574 606 0.89 400/400 35.0 


140 1 383 417 0.90 250/250 35.0 

155 1 420 452 0.89 315/250 35.0 

170 1 456 481 0.89 315/315 35.0 

185 1 504 547 0.89 400/400 35.0 

200 1 551 583 0.89 400/400 35.0 


120 1 330 366 0.89 250/250 35.0 

130 1 369 413 0.89 250/250 35.0 

140 1 407 441 0.90 250/250 35.0 

155 1 444 478 0.89 315/250 35.0 

170 1 484 509 0.89 315/315 35.0 

185 1 534 577 0.89 400/400 35.0 

200 1 583 615 0.89 400/400 35.0 


120 1 315 351 0.89 250/250 35.0 

130 1 352 396 0.89 250/250 35.0 

140 1 388 422 0.90 250/250 35.0 

155 1 423 457 0.89 315/250 35.0 

170 1 461 486 0.89 315/315 35.0 

185 1 509 552 0.89 315/315 35.0 

200 1 557 589 0.89 315/315 35.0 

Table E-1 - Continued, Electrical Data RTAC 120 - 200 400/3/50 

Motor Data 

Compressor (Each) Fans (Each) (6) 

Unit Maximum 

Amps (3) 

Starting 

Amps (4) 

Fans fuse 

Control 

Evaporator 

heater 

Quantity 

Standard 

Circuit 

1 

Circuit 

2 

Circuit 

1 

Circuit 

2 

Quantity kW FLA size 

(A) 

VA A kW 

140 2 178 178 259 259 8 2.05 4.5 80 860 2.15 2.04 

155 2 214 178 291 259 9 2.05 4.5 80 860 2.15 2.04 

170 2 214 214 291 291 10 2.05 4.5 80 860 2.15 2.04 

185 2 259 214 354 291 11 2.05 4.5 80 860 2.15 2.04 

200 2 259 259 354 354 12 2.05 4.5 80 860 2.15 2.04 


140 2 178 178 259 259 8 1.05 2.6 80 860 2.15 2.04 

155 2 214 178 291 259 9 1.05 2.6 80 860 2.15 2.04 

170 2 214 214 291 291 10 1.05 2.6 80 860 2.15 2.04 

185 2 259 214 354 291 11 1.05 2.6 80 860 2.15 2.04 

200 2 259 259 354 354 12 1.05 2.6 80 860 2.15 2.04 


120 2 147 147 217 217 8 2.05 4.5 80 860 2.15 2.04 

130 2 178 147 259 217 9 2.05 4.5 80 860 2.15 2.04 

140 2 178 178 259 259 10 2.05 4.5 80 860 2.15 2.04 

155 2 214 178 291 259 11 2.05 4.5 80 860 2.15 2.04 

170 2 214 214 291 291 12 2.05 4.5 80 860 2.15 2.04 

185 2 259 214 354 291 13 2.05 4.5 80 860 2.15 2.04 

200 2 259 259 354 354 14 2.05 4.5 80 860 2.15 2.04 


120 2 147 147 217 217 8 1.05 2.6 80 860 2.15 2.04 

130 2 178 147 259 217 9 1.05 2.6 80 860 2.15 2.04 

140 2 178 178 259 259 10 1.05 2.6 80 860 2.15 2.04 

155 2 214 178 291 259 11 1.05 2.6 80 860 2.15 2.04 

170 2 214 214 291 291 12 1.05 2.6 80 860 2.15 2.04 

185 2 259 214 354 291 13 1.05 2.6 80 860 2.15 2.04 

200 

Notes: 

2 259 259 354 354 14 1.05 2.6 80 860 2.15 2.04 

1. Maximum Compressors FLA + all fans FLA + control Amps 

2. Starting Amps of the circuit with the largest compressor circuit including fans plus RLA of the second circuit including fans and control amps 

3. Maximum FLA per compressor 

4. Compressors starting amps, Star delta start 

5. Compressor Power Factor 

6. High static fans data - 100Pa ESP - Quantity same as standard fans, power input = 2.21kW each, FLA = 3.9 each 

RLC-PRC005-E4 

Number 

of Power 

Connections 

Maximum 

Amps (1) 


Starting 

Amps (2) 

Power 

Factor (5) 

Compressor 

Fuse Size 

(A) 

Short Circuit 

Rating (kA) 

47


Table E-2 - Electrical Data RTAC 250 - 400 400/3/50 

Unit Wiring 

Unit Number of Power Maximum Starting Power Compressor Short Circuit 

Size Connections Amps (1) Amps (2) Factor (5) Fuse Size (A) Rating (kA) 

Standard 

250 1 687 696 0.89 250-250/400 35.0 

275 1 768 759 0.89 315-315/400 35.0 

300 1 867 836 0.89 400-400/400 35.0 

350 1 955 876 0.89 315-315/315-315 35.0 

375 1 1054 953 0.89 400-400/315-315 35.0 

400 1 1153 1059 0.89 400-400/400-400 35.0 


250 1 660 669 0.89 250-250/400 35.0 

275 1 737 728 0.89 315-315/400 35.0 

300 1 832 801 0.89 400-400/400 35.0 

350 1 917 838 0.89 315-315/315-315 35.0 

375 1 1012 911 0.89 400-400/315-315 35.0 

400 1 1107 1013 0.89 400-400/400-400 35.0 


250 1 696 705 0.89 250-250/400 35.0 

275 1 777 768 0.89 315-315/400 35.0 

300 1 876 845 0.89 400-400/400 35.0 

350 1 973 894 0.89 315-315/315-315 35.0 

375 1 1072 971 0.89 400-400/315-315 35.0 

400 1 1171 1077 0.89 400-400/400-400 35.0 


250 1 665 674 0.89 250-250/400 35.0 

275 1 742 733 0.89 315-315/400 35.0 

300 1 838 807 0.89 400-400/400 35.0 

350 1 927 848 0.89 315-315/315-315 35.0 

375 1 1022 921 0.89 400-400/315-315 35.0 

400 1 1117 1023 0.89 400-400/400-400 35.0 


Motor Data 

Compressor (Each) 

Unit Maximum Amps (3) Starting Amps (4) 

Size Quantity cmpr 1 cmpr 2 cmpr 3 cmpr 4 cmpr 1 cmpr 2 cmpr 3 cmpr 4 

Standard 

250 3 178 178 259 259 259 354 

275 3 214 214 259 291 291 354 

300 3 259 259 259 354 354 354 

350 4 214 214 214 214 291 291 291 291 

375 4 259 259 214 214 354 354 291 291 

400 4 259 259 259 259 354 354 354 354 


250 3 178 178 259 259 259 354 

275 3 214 214 259 291 291 354 

300 3 259 259 259 354 354 354 

350 4 214 214 214 214 291 291 291 291 

375 4 259 259 214 214 354 354 291 291 

400 4 259 259 259 259 354 354 354 354 


250 3 178 178 259 259 259 354 

275 3 214 214 259 291 291 354 

300 3 259 259 259 354 354 354 

350 4 214 214 214 214 291 291 291 291 

375 4 259 259 214 214 354 354 291 291 

400 4 259 259 259 259 354 354 354 354 


250 3 178 178 259 259 259 354 

275 3 214 214 259 291 291 354 

300 3 259 259 259 354 354 354 

350 4 214 214 214 214 291 291 291 291 

375 4 259 259 214 214 354 354 291 291 

400 4 259 259 259 259 354 354 354 354 

48 RLC-PRC005-E4



Fan Motor and Control Circuit Data 

Fans (Each) (6) Control Evaporator 

heater 

Unit Fans fuse 

Size Quantity kW FLA size (A) VA A kW 

Standard 

250 14 2.05 4.5 63/40 1730 4.32 2.04 

275 16 2.05 4.5 63/40 1730 4.32 2.04 

300 18 2.05 4.5 63/40 1730 4.32 2.04 

350 20 2.05 4.5 63/63 1730 4.32 2.04 

375 22 2.05 4.5 63/63 1730 4.32 2.04 

400 24 2.05 4.5 63/63 1730 4.32 2.04 


250 14 1.05 2.6 40/20 1730 4.32 2.04 

275 16 1.05 2.6 40/20 1730 4.32 2.04 

300 18 1.05 2.6 40/20 1730 4.32 2.04 

350 20 1.05 2.6 40/40 1730 4.32 2.04 

375 22 1.05 2.6 40/40 1730 4.32 2.04 

400 24 1.05 2.6 40/40 1730 4.32 2.04 


250 16 2.05 4.5 80/40 1730 4.32 2.04 

275 18 2.05 4.5 80/40 1730 4.32 2.04 

300 20 2.05 4.5 80/40 1730 4.32 2.04 

350 24 2.05 4.5 80/80 1730 4.32 2.04 

375 26 2.05 4.5 80/80 1730 4.32 2.04 

400 28 2.05 4.5 80/80 1730 4.32 2.04 


250 16 1.05 2.6 50/20 1730 4.32 2.04 

275 18 1.05 2.6 50/20 1730 4.32 2.04 

300 20 1.05 2.6 50/20 1730 4.32 2.04 

350 24 1.05 2.6 50/50 1730 4.32 2.04 

375 26 1.05 2.6 50/50 1730 4.32 2.04 

400 28 1.05 2.6 50/50 1730 4.32 2.04 

Notes: 

1. Maximum Compressors FLA + all fans FLA + control amps 

2. Starting amps of the circuit with the largest compressor circuit including fans plus RLA of the second circuit including fans and control amps 

3. Maximum FLA per compressor 

4. Compressors starting amps, Star delta start 

5. Compressor Power Factor 

6. High static fans data - 100Pa ESP - Quantity same as standard fans, power input = 2.21kW each, FLA = 3.9 each 

RLC-PRC005-E4 

49


50 RLC-PRC005-E4

RLC-PRC005-E4 


51


52 RLC-PRC005-E4

RLC-PRC005-E4 


53


54 RLC-PRC005-E4

RLC-PRC005-E4 


General 

Units are leak- and pressure-tested 

at 24.5 bars [350 psi] high side and 

14 bars [200 psi] low side, and then 

evacuated and charged. Packaged 

units ship with a full operating 

charge of oil and refrigerant. Unit 

panels, structural elements, and 

control boxes are constructed of 1.5 

to 3 mm [11 to 16 gauge] galvanized 

sheet metal and mounted on a 

welded structural-steel base. The 

unit panels, control boxes, and 

structural-steel base are finished 

with an air-dry paint RAL 1019. 

Evaporator 

The evaporator is a tube-in-shell 

heat exchanger design, with 

internally-finned copper tubes rollerexpanded 

into the tube sheet. The 

evaporator is designed, tested, and 

stamped in accordance with the 

appropriate pressure-vessel code 

approval. The evaporator is 

designed for a waterside working 

pressure of 14 bars[200 psi]. Water 

connections are grooved pipe for 

Victaulic couplings. Each shell 

includes a vent, a drain, and fittings 

for temperature control sensors, 

and is insulated with 19mm [3/4 

inch] Armaflex II (or equivalent) 

insulation (K=0.26). Evaporator 

heaters with thermostats are 

provided to protect the evaporator 

from freezing at ambient 

temperatures down to -29°C [20°F]. 

Condenser and Fans 

Air-cooled condenser coils have 

aluminum fins mechanically bonded 

to internally-finned seamless copper 

tubing. The condenser coil has an 

integral subcooling circuit. 

Condensers are factory proof- and 

leak-tested at 35 bars [500 psi]. 

Direct-drive vertical-discharge airfoil 

ZephyrWing condenser fans are 

dynamically balanced. Three-phase 

condenser fan motors with 

permanently-lubricated ball 

bearings are provided. Standard 

units will start and operate from 0 to 

46°C [32 to 115°F] ambient. (High 

ambient option above 40°C). 

Compressor and Lube Oil System 

The helical-rotary compressor is 

semi-hermetic, direct drive, 

3000 rpm, with capacity-control 

slide valve, a load/unload valve, 

rolling element bearings, differential 

refrigerant pressure oil pump, and 

oil heater. The motor is a suction- 

gas-cooled, hermetically sealed, 

two-pole squirrel-cage induction 

motor. Oil separator and filtration 

devices are provided separate from 

the compressor. Check valves in the 

compressor discharge and lube oil 

system, and a solenoid valve in the 

lube system, are provided. 

Refrigeration Circuits 

Each unit has two refrigerant 

circuits, with one or two helicalrotary 

compressors per circuit. Each 

refrigerant circuit includes a 

mechanical filter, liquid-line shutoff 

valve, liquid-line sight glass, 

charging port, and an electronic 

expansion valve. Fully modulating 

compressors and electronic 

expansion valves provide variable 

capacity modulation over the entire 

operating range. (Optional 

compressor suction service valve). 

Unit Controls 

All unit controls are housed in a 

weather-tight enclosure, with 

removable plates to allow for 

customer connection of power 

wiring and remote interlocks. All 

controls, including sensors, are 

factory-mounted and tested prior to 

shipment. Microcomputer controls 

provide all control functions 

including startup and shutdown, 

leaving-chilled-water temperature 

control, compressor and electronic 

expansion-valve modulation, fan 

sequencing, anti-recycle logic, 

automatic lead/lag compressor 

starting, and load limiting. The unit 

control module, utilizing the 

Adaptive Control microprocessor, 

automatically takes action to avoid 

unit shutdown due to abnormal 

operating conditions associated 

with low refrigerant pressure, high 

condensing pressure, and motor 

current overload. Should the 

abnormal operating condition 

continue until a protective limit is 

violated, the unit will be shut down. 

Unit protective functions include 

loss of chilled-water flow, 

evaporator freezing, loss of 

refrigerant, low refrigerant 

pressure, high refrigerant pressure, 

reverse rotation, compressorstarting 

and -running overcurrent, 

phase loss, phase imbalance, phase 

reversal, and loss of oil flow. The 

Easy View digital display indicates 

the chilled-water set point and the 

leaving-chilled-water temperature. 

55


In addition, the Dyna View indicates 

the current limit set point, the 

evaporator and condenser 

refrigerant pressures, and electrical 

information. Both standard and 

optional displays can be viewed on 

the unit without opening any 

control panel doors. Standard 

power connections include main 

three-phase power to the 

compressors, condenser fans, 

control power transformer, and 

freeze protection on the evaporator 

heaters. 

Starters 

Starters are housed in a weathertight 

enclosure with hinged doors to 

allow for customer connection of 

power wiring. Wye-Delta closed 

transition starters (33% of LRA 

inrush) are standard. 

56 RLC-PRC005-E4

RLC-PRC005-E4 

Note 

57

Note 

58 RLC-PRC005-E4

RLC-PRC005-E4 

Note 

59

Trane 

A business of American Standard Companies 

www.trane.com 

For more information contact your local 

district office or e-mail us at comfort@trane.com 

Literature Order Number RLC-PRC005-E4 

Date 1003 

Supersedes RLC-PRC005-E4-0502 

Stocking Location Europe 

Since The Trane Company has a policy of continuous product improvement, it reserves the right to change 

design and specifications without notice. 

Société Trane – Société Anonyme au capital de 61 005 000 Euros – Siege Social: 1 rue des Amériques – 

88190 Golbey – France – Siret 306 050 188-000 1 – RSC Epinal B 306 050 188 

Numéro d’identification taxe intracommunautaire: FR 83 3060501888

Air-Cooled Series RÃ¢ÂÂ¢ Helical-Rotary Liquid Chiller - Trane

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