Packaged Gas/Electric Rooftop Units - Trane

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4 Features and Benefits Factory Installed Options Black Epoxy Pre-Coated Coils • Dehumidification Option High Pressure Cutout Hinged Access Doors Novar Return Air Sensor Novar Unit Controls Phase Monitor Powered or Unpowered Convenience Outlet Supply and/or Return Air Smoke Detector Thermal Expansion Valve Through the Base Electrical Access Through the Base Electrical With Circuit Breaker Through the Base Electrical With Disconnect Switch Two-Inch Pleated Filters Factory or Field Installed Options Clogged Filter/Fan Failure Switch Differential Pressure Switches Discharge Air Sensing Kit Economizer Electric Heaters Frostat LonTalk ® Communications Interface Oversized Motors Reference or Comparative Enthalpy Tool-less Hail Guards Trane Communications Interface (TCI) Field Installed Options CO 2 Sensing Digital Display Zone Sensor Dual Thermistor Remote Zone Sensor High Static Drive Humidity Sensor Manual Outside Air Damper Motorized Outside Air Dampers Powered Exhaust Remote Potentiometer Roof Curb Thermostat Ventilation Override Accessory Zone Sensor RT-PRC006-EN
Easy to Install, Service and Maintain Because today’s owners are very costconscious when it comes to service and maintenance, the Trane Precedent was designed with direct input from service contractors. This valuable information helped to design a product that would get the serviceman off the job quicker and save the owner money. Precedent does this by offering: Quality and Reliability ReliaTel Controls (LCI-R) ReliaTel controls provide unit control for heating, cooling and ventilating utilizing input from sensors that measure outdoor and indoor temperature. Quality and Reliability are enhanced through ReliaTel control and logic: —prevents the unit from short cycling, considerably improving compressor life. —ensures that the compressor will run for a specific amount of time which allows oil to return for better lubrication, enhancing the reliability of the compressor. RT-PRC006-EN ReliaTel Features and Benefits Precedent with ReliaTel reduces the number of components required to operate the unit, thereby reducing possibilities for component failure. ReliaTel Makes Installing and Servicing Easy ReliaTel eliminates the need for field installed anti-shortcycle timer and time delay relays. ReliaTel controls provide these functions as an integral part of the unit. The contractor no longer has to purchase these controls as options and pay to install them. The wiring of the low voltage connections to the unit and the zone sensors is as easy as 1-1, 2-2, and 3-3. This simplified system makes wiring easier for the installer. ReliaTel Makes Testing Easy ReliaTel requires no special tools to run the Precedent unit through its paces. Simply place a jumper between Test 1 and Test 2 terminals on the Low Voltage Terminal Board and the unit will walk through its operational steps automatically. — The unit automatically returns control to the zone sensor after stepping through the test mode a single time, even if the jumper is left on the unit. As long as the unit has power and the “system on” LED is lit, ReliaTel is operational. The light indicates that the controls are functioning properly. ReliaTel features expanded diagnostic capabilities when utilized with Trane Integrated Comfort Systems. Some zone sensor options have central control panel lights which indicate the mode the unit is in and possible diagnostic information (dirty filters for example). Other ReliaTel Benefits The ReliaTel built-in anti-shortcycle timer, time delay relay and minimum “on” time control functions are factory tested to assure proper operation. ReliaTel softens electrical “spikes” by staging on fans, compressors and heaters. Intelligent Fallback is a benefit to the building occupant. If a component goes astray, the unit will continue to operate at predetermined temperature setpoint. Intelligent Anticipation is a standard ReliaTel feature. It functions continuously as ReliaTel and zone sensor(s) work together in harmony to provide much tighter comfort control than conventional electro-mechanical thermostats. The same ReliaTel Board fits all Precedent Packaged Gas/Electrics, Cooling with Electric Heat, and Heat Pump models. This provides standardization of parts for contractors. Less money is tied up in inventory with ReliaTel. Electromechanical Controls For the simpler job that does not require a building automation system, or expanded diagnostics capabilities, Precedent offers electromechnical controls. This 24-volt control includes the control transformer and contactor pressure lugs for power wiring. 5
Page 1 and 2: Packaged Gas/Electric Rooftop Units
Page 3: RT-PRC006-EN Contents Introduction
Page 7 and 8: Foil-Faced Insulation All panels in
Page 9 and 10: Easy to Install Convertible Units -
Page 11 and 12: RT-PRC006-EN Application Considerat
Page 13 and 14: Dehumidification Selection Typical
Page 15 and 16: RT-PRC006-EN General Data (3 - 4 To
Page 19 and 20: Table GD-3 — General Data 7½ Ton
Page 21 and 22: Table GD-4 — General Data 10 Ton
Page 23 and 24: RT-PRC006-EN General Data Table GD-
Page 27 and 28: RT-PRC006-EN General Data (7½ - 10
Page 29 and 30: RT-PRC006-EN Performance Data (4 To
Page 31 and 32: Table PD-6 — Gross Cooling Capaci
Page 33 and 34: RT-PRC006-EN Performance Data (3 -
Page 45 and 46: Table PD-32 — Continued Table PD-
Page 47 and 48: For Standard Evaporator Fan Speed (
Page 49 and 50: RT-PRC006-EN Performance Data For S
Page 51 and 52: RT-PRC006-EN Performance Data (7½
Page 53 and 54: RT-PRC006-EN Performance Data (8½
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RT-PRC006-EN Performance Data (10 T
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RT-PRC006-EN Performance Data (3 -
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RT-PRC006-EN Performance Data Table
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RT-PRC006-EN Performance Data (4 To
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Table PD-66 — Continued External
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RT-PRC006-EN Performance Data (6 To
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RT-PRC006-EN Performance Data (7½
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RT-PRC006-EN Performance Data (8½
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RT-PRC006-EN Performance Data (10 T
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* Indicates both standard and high
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*Indicates both standard and high e
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ReliaTel Controlled Units Zone Sens
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RT-PRC006-EN Electrical Data (Stand
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Table ED-3 — Electrical Character
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RT-PRC006-EN Electrical Data (High
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ZONE SENSOR OR THERMOSTAT RT-PRC006
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All dimensions are in inches/millim
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6-10 Tons — Economizer and Barome
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General The units shall be converti
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Through the Base Electrical with Ci
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RT-PRC006-EN 99
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Packaged Gas/Electric Rooftop Units - Trane

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