Table of Contents
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Installation, Operation, and Maintenance
Packaged Rooftop Air
Conditioners Foundation™ ™
Cooling and Gas/Electric
7.5 to 12.5 Tons, 60 Hz
Model Numbers: GBC 090-150
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.
September 2020
S S A A F F E E T T Y Y W W A A R R N N I I N N G G
R R T T - - S S V V X X 0 0 6 6 9 9 A A - - E E N N
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Table of Contents
Related Manuals for Trane Foundation GBC Series
Summary of Contents for Trane Foundation GBC Series
- Page 1 Installation, Operation, and Maintenance Packaged Rooftop Air Conditioners Foundation™ ™ Cooling and Gas/Electric 7.5 to 12.5 Tons, 60 Hz Model Numbers: GBC 090-150 S S A A F F E E T T Y Y W W A A R R N N I I N N G G Only qualified personnel should install and service the equipment.
- Page 2 A A L L W W A A Y Y S S r r e e f f e e r r t t o o a a p p p p r r o o p p r r i i a a t t e e S S a a f f e e t t y y D D a a t t a a impact to the environment. Trane advocates the...
- Page 3 This document and the information in it are the p p o o l l i i c c i i e e s s . . property of Trane, and may not be used or reproduced in whole or in part without written permission. Trane •...
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Page 4: Table Of Contents
Table of Contents Model Number Description ....6 Start Up ........25 Electromechanical Controls - Sequence General Information . - Page 5 T T a a b b l l e e o o f f C C o o n n t t e e n n t t s s Warranty ........38 Basic Warranty .
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Page 6: Model Number Description
Model Number Description Digit 1 — Unit Type Digit 11— Minor Design Sequence Digit 20-24 Not Used G = Packaged Gas/Electric A = Rev A Digit 2 — Efficiency Digit 12,13 — Service Sequence Digit 25 — System Monitoring Controls B = ASHRAE 90.1 - 2016 00 = None 0 = No Monitoring Controls... -
Page 7: General Information
General Information W W A A R R N N I I N N G G It is important that periodic maintenance be performed to help assure trouble free operation. A maintenance F F i i b b e e r r g g l l a a s s s s W W o o o o l l ! ! schedule is provided at the end of this manual. -
Page 8: Unit Description
G G e e n n e e r r a a l l I I n n f f o o r r m m a a t t i i o o n n • The unit is set on the roof curb, and temporary heat the safety input of the LSD. -
Page 9: Dimensional Data
Dimensional Data Figure 1. Typical installation clearance for single and multiple unit applications END TO END NOTE 2,3 SIDE BY SIDE NOTE 2 NOTES: 1.FOR HORIZONTAL DISCHARGE UNIT, NOTE 1 THIS MEASURE IS REDUCED TO 1’ 6” TO MINIMIZE DUCT EXTENSIONS. 4’... - Page 10 D D i i m m e e n n s s i i o o n n a a l l D D a a t t a a Figure 2. Gas/electric units — overview DISCONNECT SWITCH ACCESS GAS CONNECTION Figure 3.
- Page 11 D D i i m m e e n n s s i i o o n n a a l l D D a a t t a a Figure 4. Gas/electric units — plan view 88 1/4” 25 13/16” SUPPLY 3 11/16”...
- Page 12 D D i i m m e e n n s s i i o o n n a a l l D D a a t t a a Figure 6. Roof curb 15.520 3.000 84.800 32.256 54.599 19.401 SUPPLY 3.000 15.799...
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Page 13: Unit Weights
Unit Weights Table 1. Maximum unit and corner weights (lb) and center of gravity dimensions (in.) Weights (lb) Corner Weights Center of Gravity (in.) Unit Model Tons Shipping Length Width GBC090A 1179 1002 24.8 GBC102A — — — — — —... - Page 14 U U n n i i t t W W e e i i g g h h t t s s Figure 9. Rigging and center of gravity data CENTER OF GRAVITY CENTER OF GRAVITY WIDTH LENGTH RT-SVX069A-EN...
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Page 15: Installation
Installation Unit Foundation Check with a roofing contractor for proper waterproofing procedures. W W A A R R N N I I N N G G Ductwork R R i i s s k k o o f f R R o o o o f f C C o o l l l l a a p p s s i i n n g g ! ! F F a a i i l l u u r r e e t t o o e e n n s s u u r r e e p p r r o o p p e e r r s s t t r r u u c c t t u u r r a a l l r r o o o o f f s s u u p p p p o o r r t t Elbows with turning vanes or splitters are recommended to minimize air noise due to turbulence... -
Page 16: Requirements
I I n n s s t t a a l l l l a a t t i i o o n n ☐ Verify that the installation location of the unit will Figure 10. Discard cover plate provide the required clearance for proper operation. -
Page 17: Filter Installation
I I n n s s t t a a l l l l a a t t i i o o n n Main Unit Power A condensate trap must be installed at the unit due to the drain connection being on the “negative pressure” W W A A R R N N I I N N G G side of the fan. - Page 18 I I n n s s t t a a l l l l a a t t i i o o n n exceed three (3) ohms/conductor for the length of 3. Be sure to check all loads and conductors for the run.
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Page 19: Gas Heat Data
I I n n s s t t a a l l l l a a t t i i o o n n Gas Heat Data Table 3. Gas heater operating data Heating Input Rate—Btu/h 125,000 180,000 225,000 250,000 Minimum Supply Gas Pressure Natural/LP 4.5/11.0 4.5/11.0... -
Page 20: Voltage Imbalance
I I n n s s t t a a l l l l a a t t i i o o n n Figure 13. Schematic diagram for field gas piping to units 1/8” NPT Test Plug 6” MIN Field supplied ground Union To Gas Train... -
Page 21: Checklist
I I n n s s t t a a l l l l a a t t i i o o n n W W A A R R N N I I N N G G W W A A R R N N I I N N G G H H a a z z a a r r d d o o u u s s V V o o l l t t a a g g e e ! ! H H a a z z a a r r d d o o u u s s V V o o l l t t a a g g e e ! ! F F a a i i l l u u r r e e t t o o d d i i s s c c o o n n n n e e c c t t p p o o w w e e r r b b e e f f o o r r e e s s e e r r v v i i c c i i n n g g c c o o u u l l d d... -
Page 22: Through The Base Gas Utility
I I n n s s t t a a l l l l a a t t i i o o n n Field Installed Connections disconnect switch. This assembly is located in the condenser section of the unit. W W A A R R N N I I N N G G Both high and low voltage power can be routed H H a a z z a a r r d d o o u u s s V V o o l l t t a a g g e e w w / / C C a a p p a a c c i i t t o o r r s s ! ! - Page 23 I I n n s s t t a a l l l l a a t t i i o o n n Table 6. Through the base gas piping dimension Figure 16. Through the base gas piping installation 90°...
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Page 24: Pre Start
Pre Start Electromechanical Controls – Verifying Proper Air Flow (Units Test Procedure with Belt Drive Indoor Fan) F F a a n n T T e e s s t t a a n n d d M M i i n n i i m m u u m m V V e e n n t t i i l l a a t t i i o o n n . . Connect the Much of the systems performance and reliability is short circuit between R and G. -
Page 25: Start Up
Start Up Electromechanical Controls - has been satisfied. When the heating cycle is terminated, the indoor fan relay (F) coil is de-energized Sequence Of Operation with heater contactors. These units are offered with electromechanical When the thermostat fan selection switch is set to the controls. -
Page 26: Heating Operation (For Gas Units) - Standard Economizer
S S t t a a r r t t U U p p setpoint, the thermostat closesW1 contacts the first Table 8. Ignition module diagnostics stage electric heat contactor (AH or AH and CH) is Module is powered up, but no active call energized. -
Page 27: Low Pressure Cutout
S S t t a a r r t t U U p p cooling demand, the second compressor will be staged b. If the electrical phasing is correct, before back and the supply fan will switch to Low Speed until condemning a compressor, interchange any two the unit stages all cooling off or receives a call for Cool leads (at the compressor Terminal block) to... -
Page 28: Heating Start-Up
S S t t a a r r t t U U p p 2. After the compressor and condenser fan have system and components have been checked, open the started and operated for approximately 30 minutes, main power disconnect switch to reset the unit. observe the operating pressures. -
Page 29: Maintenance
Maintenance Make sure all personnel are standing clear of the unit deflection value determined in Step before proceeding. The system components will start 3. Set the small O-ring at zero on the force scale of the when the power is applied. gauge plunger. -
Page 30: Monthly Maintenance
M M a a i i n n t t e e n n a a n n c c e e Table 11. Belt tension measurement and deflection ranges (in/lb) Deflection Force (lb) Small P.D Range Belts Cross Steel Cable Gripbelts Super Gripbelts (in) Gripnotch (in) (in) -
Page 31: Heating Season
M M a a i i n n t t e e n n a a n n c c e e W W A A R R N N I I N N G G I I m m p p o o r r t t a a n n t t : : Do not release refrigerant to the atmosphere! If adding or removing R R o o t t a a t t i i n n g g C C o o m m p p o o n n e e n n t t s s ! ! refrigerant is required, the service... - Page 32 M M a a i i n n t t e e n n a a n n c c e e Microchannel (MCHE) Coils chemical cleaners are a risk factor to MCHE due to the material of the coil. The manufacturer does not N N O O T T I I C C E E recommend the use of chemical cleaners to clean microchannel coils.
- Page 33 M M a a i i n n t t e e n n a a n n c c e e RT-SVX069A-EN...
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Page 34: Troubleshooting
Troubleshooting W W A A R R N N I I N N G G and verify operation of all outputs, controls, and modes. Refer to the sequence of operations for H H a a z z a a r r d d o o u u s s S S e e r r v v i i c c e e P P r r o o c c e e d d u u r r e e s s ! ! each mode, to assist in verifying proper operation. -
Page 35: Method 2
T T r r o o u u b b l l e e s s h h o o o o t t i i n n g g Method 2 After approximately 30 seconds, turn the “Mode” selection switch to the desired mode, i.e. Heat, Cool or To reset the system at the unit, cycle the unit power by Auto. - Page 36 T T r r o o u u b b l l e e s s h h o o o o t t i i n n g g Table 15. Troubleshooting chart (continued) Symptom Remedy Possible Cause Increase speed of blower or reduce restriction - replace air Low evaporator airflow filter Low vapor - cool compressor -...
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Page 37: Wiring Diagrams
Wiring Diagrams N N o o t t e e : : Contact technical support for wiring diagrams. Table 16. Wiring diagrams Type of Airflow Schematic Type Voltage Diagram Number Description GBC090-150, 60Hz, 2-Stage Gas Heat Constant Volume Power and Control 208–230 16027700002075 Multi-Speed Fans... - Page 38 • All accessories for the above products which are fired heat exchanger which has been repaired or sold by Trane and applied in accordance with Trane altered in such manner as, in the judgement of the specifications. warrantor, affects its stability or reliability. This...
- Page 39 N N o o t t e e s s RT-SVX069A-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.