WATER TO WATER CHILLER UNITS - Hitecsa

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WATER TO WATER CHILLER UNITS
EWWZ Series
Cooling only
EWWZ series are water to water chillers for chilled-water applications. Cabinet is constructed of heavy gauge galvanized
steel plate finished with electrostatically applied and oven-polymerized polyester powder of high resistance against corrosion.
Compressors are scroll or reciprocating depending upon models. Number of compressors and circuits according to
model code final number. Steel plate refrigerant-water heat exchangers. Electric panel is complete with contactors and
protections including microchiller controller. Full R407C refrigerant charge. Units are supplied totally finished, ready for
installation providing electric supply, water connections and condensates drain.
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WATER TO WATER CHILLER UNITS
EWWZ Series
TECHNICAL SPECIFICATIONS
CODE
501311
501313
501315
501317
501319
503051
501321
501323
501325
501327
501329
MODEL
EWWZ 801
EWWZ 1001
EWWZ 1201
EWWZ 1501
EWWZ 1602
EWWZ 2002
EWWZ 2402
EWWZ 3002
EWWZ 3502
EWWZ 4002
EWWZ 4502
Cooling
capacity
kW
26
30
37
45,5
52
60
77
91
101
115
138,5
Input
capacity
kW
6,5
7,5
9,5
11,5
13
15
19
26
33,5
35,5
43,5
Input
current
A
11,1
12,8
16,2
19,6
22,1
25,5
32,3
44,2
57
60,4
73,9
Power Supply
(50 Hz~)
V
400-3 + N
400-3 + N
400-3 + N
400-3 + N
400-3 + N
400-3 + N
400-3 + N
400-3 + N
400-3 + N
400-3 + N
400-3 + N
Sound pressure
level*
dB (A)
60,2
61,1
62,2
63,1
64,2
65,1
66,2
67,1
68,2
69,1
70,2
INSTALLATION SPECIFICATIONS
CODE
MODEL
Water connections
Refrigerant
Dimensions (width x depth x height)
Net weight
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501311
501313
501315
501317
501319
503051
501321
501323
501325
501327
501329
EWWZ 801
EWWZ 1001
EWWZ 1201
EWWZ 1501
EWWZ 1602
EWWZ 2002
EWWZ 2402
EWWZ 3002
EWWZ 3502
EWWZ 4002
EWWZ 4502
Ø (“)
1 1/2
1 1/2
1 1/2
1 1/2
2
2
2
2
2
2
2
kg
3,7
4,3
5
5,3
2 x 3,7
2 x 4,3
2 x 5,7
2 x 5,3
2 x 5,9
2 x 7,0
2 x 8,0
mm
656 x 706 x 1156
656 x 706 x 1156
656 x 706 x 1156
656 x 706 x 1156
856 x 1106 x 1156
856 x 1106 x 1156
856 x 1106 x 1156
856 x 1106 x 1156
1006 x 1256 x 1156
1006 x 1256 x 1156
1006 x 1256 x 1156
kg
200
210
220
230
390
400
415
425
600
620
640
OPERATION LIMITS
COOLING
Temp. condenser Temp. evaporator
water inflow water inflow
ºC ºC
Standard conditions 30 12
Minimum conditions** 15 10
Maximum conditions 40 20
For water below 5ºC, use glycol
( ) For lower temperatures, please ask
**
THERMOSTATS AND CONTROLS
MicroChiller 2:
To control chiller units. Allows changes in temperature set points
and configuration parameters (please ask). Equipped with a series
of on-screen alarms for easy servicing.
This electronic control is furnished with the unit.
MICROCHILLER 2
(
*
) The sound levels given refer to sound pressure measured in
dB (A) at an outdoors distance of 2m.
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HITECSA Commitment

C 03
WATER TO WATER CHILLER UNITS
EWWZ Series
OPTIONS
pLAN local area network:to monitor up to 15 units with a
sole controller terminal pGD
Supervision and maintenance (bms)
Basic software. RS485 card and plantvisor soft
Client software. RS485 card and GATEWAY (485/Modbus)
Head pressure control
For cooling operation below 18ºC outside air. Servo-operated
dampers at condenser air discharge / fan speed control pressureoperated.
Water regulating (pressostatic) valve
To provide correct refrigerant head pressures according to water
inlet temperature
Manual valves (liquid, suction, discharge)
Compressor sound jacket
Compressor soft start
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Hydronic module (separate element)
Versions for other power supplies
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