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Trane Foundation GBC036-060 Installation, Operation And Maintenance Manual

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Installation, Operation, and Maintenance
Packaged Rooftop Air
Conditioners Foundation™
Cooling and Gas/Electric
3 to 5 Tons, 60Hz
Model Numbers: GBC036-060
Only qualified personnel should install and service the equipment. The installation, starting up, and servicing of heating, ventilating, and air-conditioning equipment
can be hazardous and requires specific knowledge and training. Improperly installed, adjusted or altered equipment by an unqualified person could result in death or
serious injury. When working on the equipment, observe all precautions in the literature and on the tags, stickers, and labels that are attached to the equipment.
December 2022
SAFETY WARNING
RT-SVX058G-EN

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  • Page 1 Installation, Operation, and Maintenance Packaged Rooftop Air Conditioners Foundation™ Cooling and Gas/Electric 3 to 5 Tons, 60Hz Model Numbers: GBC036-060 SAFETY WARNING Only qualified personnel should install and service the equipment. The installation, starting up, and servicing of heating, ventilating, and air-conditioning equipment can be hazardous and requires specific knowledge and training.
  • Page 2 (HCFCs). Not all refrigerants containing these compounds bump cap, fall protection, electrical PPE and arc have the same potential impact to the environment. Trane flash clothing). ALWAYS refer to appropriate advocates the responsible handling of all refrigerants-...
  • Page 3 This document and the information in it are the property of policies. Trane, and may not be used or reproduced in whole or in part without written permission. Trane reserves the right to • Non-Trane personnel should always follow local revise this publication at any time, and to make changes to regulations.

  • Page 4: Table Of Contents

    Table of Contents Model Number Description ....5 Field Installed Connections ... . . 23 General Information .

  • Page 5: Model Number Description

    Model Number Description Digit 1 — Unit Type Digit 10 — Heating Capacity Digit 15 — Supply Fan/Drive Type/Motor G = Packaged Cooling, Gas heat L = Gas Heat - Low 0 = Standard Motor M = Gas Heat - Medium 1 = Oversized Motor X = Gas Heat - SS Ht Ex - Low Digit 2 —...

  • Page 6: General Information

    General Information WARNING • Inspect the complete exterior for signs of shipping damages to unit or packing material. Fiberglass Wool! • Verify that the nameplate data matches the sales order Exposure to glass wool fibers without all necessary and bill of lading. PPE equipment could result in cancer, respiratory, •...

  • Page 7: Economizer Control Actuator Electromechanical Control

    General Information Economizer Control Actuator interrupted and the compressor contactor coil supply is disabled by the LSD. It has an automatic lockout. Electromechanical Control Power Exhaust Control (Optional) The ECA monitors the mixed air temperature, return air temperature, minimum position setpoint (local or remote), The power exhaust fan is started whenever the position of power exhaust setpoint, CO setpoint, CO...

  • Page 8: Initiation Of Operating Modes - Jade

    General Information nonprogrammable, wall-mounted thermostat, and it can be SYSTEM SETUP menu: OCC = INPUT used for economizer operation. Attach the occupancy sensor to the OCC SENSOR wire and "R" terminal (at customer connections). The Sensor occupancy sensor must utilize a normally open contact for This optional sensor can be added for Demand Control proper operation.

  • Page 9: Dimensional Data

    Dimensional Data Below figure illustrates the minimum operating and service Providing less than the recommended clearances may clearances for either a single or multiple unit installation. result in condenser coil starvation, “short-circuiting” of These clearances are the minimum distances necessary to exhaust and economizer airflows, or recirculation of hot assure adequate serviceability, cataloged unit capacity, and condenser air.
  • Page 10 Dimensional Data Figure 2. Cooling with gas heat — overview (gas/electric) DISCONNECT SWITCH ACCESS GAS CONNECTION (GBC/GBD UNITS ONLY) CONDENSATE DRAIN CONNECTION Figure 3. Cooling with gas heat — front and side views (gas/electric) 42.004” 42.558” 20.735” 15.860” 7.860” 42.175” 29.671”...
  • Page 11 Dimensional Data Figure 4. Cooling with optional electrical heat and gas/electric units —bottom view RETURN 25-5/8” 5-19/32” 7-1/32” 10-7/8” 17-3/4” 27-1/8” 19-3/8” 17-3/8” 15-3/8” 12-27/32” 6-25/32” 12-1/8” 5-19/32” 25-1/8” 20-11/16” SUPPLY Figure 5. Cooling with optional electrical heat and gas/electric units — back view (horizontal configuration) RETURN SUPPLY 25.125”...
  • Page 12 Dimensional Data Figure 6. Cooling with optional electrical heat and gas/electric units — roof curb 14.000” 70.875” 3.000” 21.060” 41.990” 15.188” SUPPLY 3.000” 14.430” 36.938” 32.188” RETURN 3.548” 14.000” 1.500” 41.986” 70.871” Figure 7. Cooling with optional electrical heat and gas/electric units — downflow unit clearance CLEARANCE CLEARANCE UNIT OUTLINE...
  • Page 13 Dimensional Data Figure 8. Cooling with optional electrical heat and gas/electric units — barometric relief and economizer ECONOMIZER BAROMETRIC RELIEF 42” BAROMETRIC RELIEF 11-29/32” 7-31/32” 7-27/32” 13-13/32” 14-5/8” 4-1/8” 3-9/32” 32-5/32” 47-15/16” 76-13/16” RIGHT VIEW OF UNIT BACK VIEW OF UNIT Figure 9.

  • Page 14: Weights

    Weights Table 1. Maximum unit and corner weights (lb) and center of gravity dimensions (in.) cooling with optional electric heat (Gas/Electric) units only Weights (lb) Corner Weights Center of Gravity (in.) Tons Unit Model No. Shipping Length Width GBC036* GBC048* GBC060* Weights are approximate.

  • Page 15: Installation

    Installation Unit Foundation Note: For sound consideration, cut only the holes in the roof deck for the ductwork penetrations. Do not cut WARNING out the entire roof deck within the curb perimeter. Risk of Roof Collapsing! If a Curb Accessory Kit is not used: Failure to ensure proper structural roof support could 1.

  • Page 16: Factory Installed Economizer

    Installation Factory Installed Economizer Figure 12. Discard cover plate • Ensure the economizer has been pulled out into the operating position. Refer to the standard or low leak economizer Installation Instructions for proper position and setup. • Install all access panels. Controller Wiring Schematic - LLE For additional information, go to the Installation Instructions ACC-SVN203*-EN and ACC-SVN205*-EN.

  • Page 17: Condensate Drain Configuration

    Installation Main Unit Power Condensate Drain Configuration An evaporator condensate drain connection is provided on WARNING each unit. Refer to the unit overview figure in “Dimensional Proper Field Wiring and Grounding Data,” p. 9 for the appropriate drain location. Required! Note: Use 1-inch PVC pipe to connect to the drain pan Failure to follow code could result in death or serious outlet provided in the unit.

  • Page 18: Control Power Transformer

    Installation Figure 15. Through the base electrical option Transformers rated greater than 50 Vac are equipped with internal circuit breakers. If a circuit breaker trips, turn “Off” all power to the unit before attempting to reset it. The transformer is located in the control panel. The circuit breaker is located on the left side of the transformer and can be reset by pressing in on the black reset button.

  • Page 19: Gas Heat Data

    Installation Figure 16. Conventional thermostat field wiring diagram Gas Heat Data Table 3. Gas heater operating data Heating Input Rate—Btu/h 72,000 100,000 115,000 Minimum Supply Gas Pressure Natural/LP 4/11 4/11 4/11 Manifold Gas Pressure Combustion Blower Suction Pressure (1 Stage) -0.50 to -0.55 -0.50 to -0.55 -0.50 to -0.55...

  • Page 20: Voltage Imbalance

    Installation Table 4. Piping Iron Pipe Size (IPS) Inches Length of Pipe (ft) 1/2" Pipe 3/4" Pipe 1" Pipe 1¼” Pipe 1½” Pipe 1220 Note: Capacity of Pipe of Different Diameters and Lengths in Cu. Ft. Per Hr. with Pressure Drop of 0.3" and Specific Gravity of 0.60. Table 5.

  • Page 21: Electrical Phasing

    Installation WARNING The supply power line voltage readings (V1, V2, V3) are 221, 230, and 227 respectively.: Live Electrical Components! • AV (Average Voltage) = (221 + 230 + 227) / 3 = 226 Failure to follow all electrical safety precautions when Avg.

  • Page 22: Checklist

    Installation Checklist WARNING Proper Field Wiring and Grounding Use the following checklist in conjunction with the general checklist (“General Unit Requirements,” p. 15) to ensure Required! that the unit is properly installed and ready for operation. Failure to follow code could result in death or serious injury.

  • Page 23: Through The Base Gas Utility Option

    Installation WARNING Figure 19. Field wiring routing - factory installed disconnect switch Proper Field Wiring and Grounding Required! Failure to follow code could result in death or serious injury. All field wiring MUST be performed by qualified personnel. Improperly installed and grounded field wiring poses FIRE and ELECTROCUTION hazards.
  • Page 24 Installation Figure 20. Through the base gas piping installation Support bracket Pipe union Grommet 1/2” x 6” pipe nipple 90° elbow 1/2” x 3 1/2” pipe nipple Screw Pipe union 1/2” x 3 1/2” pipe nipple See detail A Customer gas supply pipe 90°...

  • Page 25: Pre Start

    Pre Start Verifying Proper Air Flow (Units Fan Test and Minimum Ventilation. Connect red thermostat wire (R) to black thermostat wire (G). with Belt Drive Indoor Fan) Economizer Cooling. Connect a jumper wire across OAT Much of the systems performance and reliability is closely on Economizer Control (ECA).

  • Page 26: Start Up

    Up) to end the test (e.g. turn off the relay). result in compressor damage. Note: Copeland SXA scroll compressors for R410A units use Trane OIL00094. Compressor types and appropriate oil charge is listed in the following tables. Table 7. Compressor types...

  • Page 27: Heating Start-Up

    Start Up Table 8. POE Oil recharge amount (fl. oz.) When starting the unit for the first time or servicing the heaters, it is a good practice to start the heater with the Tonnage Compressor 1 main gas supply turned “Off”. Once the ignition system and components have been checked, open the main power GB*036 disconnect switch to reset the unit.

  • Page 28: Maintenance

    Maintenance Make sure all personnel are standing clear of the unit deflection value determined in Step before proceeding. The system components will start when 3. Set the small O-ring at zero on the force scale of the the power is applied. gauge plunger.

  • Page 29: Monthly Maintenance

    Maintenance Monthly Maintenance NOTICE Equipment Damage! Before completing the following checks, turn the unit OFF and lock the main power disconnect switch open. Forcibly turning the motor shaft can damage the gear train and motor beyond repair. WARNING Never turn the motor shaft by hand or with a Hazardous Voltage! wrench.

  • Page 30: Coil Cleaning

    Maintenance Coil Cleaning Microchannel (MCHE) Coils Regular coil maintenance, including annual cleaning NOTICE enhances the unit’s operating efficiency by minimizing the Coil Damage! following: Failure to follow instructions below could result in • Compressor head pressure and amperage draw coil damage. •...
  • Page 31 Maintenance RT-SVX058G-EN...

  • Page 32: Troubleshooting

    Troubleshooting WARNING the main power disconnect switch and removing the test mode connections. Hazardous Service Procedures! 7. Refer to the individual component test procedures if Failure to follow all precautions in this manual and on other components are suspect. the tags, stickers, and labels could result in death or serious injury.

  • Page 33: Low Leak Economizer - (Lle)

    Troubleshooting a. LED will be flashing to indicate that a Safety Input 4. Press has opened while a Y call is present. “ALARM ERASED” is displayed. b. Compressor lockout is indicated by a solid 6. Press (Menu Up) to complete the action and return (nonflashing) red LED.

  • Page 34: Method 2

    Troubleshooting approximately 30 seconds, turn the “Mode” selection switch • Slow Flash: Normal, Not OK to Economize to the desired mode, i.e. Heat, Cool or Auto. • Fast Flash - 1/4 Second On / 2 Seconds Off: Method 2 – Error Code: Communications Failure •...

  • Page 35: Wiring Diagrams

    Wiring Diagrams Note: Wiring diagrams can be accessed via e-Library by number search field or by contacting technical entering the diagram number in the literature order support. Table 13. Wiring diagrams Type of Airflow Schematic Type Voltage Diagram Number Description GBC 036-060, 60Hz, 1 STAGE Gas Heat 12132102 208–230...

  • Page 36: Warranty

    Products Covered — This warranty is extended by Trane, and which have been returned to the warrantor. and applies to the following products: The warrantor’s warranty is conditional on the Customer...
  • Page 37 Notes RT-SVX058G-EN...
  • Page 38 Notes RT-SVX058G-EN...
  • Page 39 Notes RT-SVX058G-EN...
  • Page 40 For more information, please visit trane.com or americanstandardair.com. Trane and American Standard have a policy of continuous product and product data improvement and reserve the right to change design and specifications without notice. We are committed to using environmentally conscious print practices.

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