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Summary of Contents for GB1AAV

Page 1: ...en working on heating equipment observe precautions in the literature on tags and on labels attached to or shipped with the unit and other safety precautions that may apply Follow all safety codes In...

Page 2: ...ouch ungrounded objects recharge your body with static electricity firmly touch furnace again before touching control or wires 5 Use this procedure for installed and uninstalled ungrounded furnaces 6...

Page 3: ...th sides of the furnace d Slide filter s out e Replace filter if torn or disposable type If furnace is equipped with permanent washable filters Clean filters with tap water Spray water through filter...

Page 4: ...6 Model GB1AAV Upflow A92063 C OM 24V HUM G R Y W DRAFT SAFEGUARD SWITCH FLUE COLLECTOR BOX MOUNTING SCREWS RELIEF BOX CONTROL BOARD FILTER RETAINER WASHABLE FILTER Fig 7 Model GB3AAV Downflow A92064...

Page 5: ...on blower wheel blades The blower wheel should not be dropped or bent as balance will be affected 14 Reinstall blower wheel by reversing items 12 a through c Be sure wheel is positioned for proper rot...

Page 6: ...h heat exchanger cell 1 Attach variable speed reversible drill to end of steel spring cable end opposite brush 2 Insert brush end of cable into upper opening of cell and slowly rotate with drill DO NO...

Page 7: ...d for proper operation of the control board and flame sensing electrode The 24 v circuit contains an automotive type 3 amp fuse located on the control board See Fig 11 Any direct shorts of the 24 v wi...

Page 8: ...on thermostat connection block See Fig 11 NOTE If TEST to Com terminals are jumpered longer than 2 sec LED will flash rapidly and retrieval request will be ignored e Component Test will function as de...

Page 9: ...IGHT HARNESS CONNECTOR 24 V TRANSFORMER SEC 2 SPARE 1 SPARE 2 EAC 1 EAC ELECTRONIC AIR CLEANER TERMINALS 115 VAC 1 5 AMP MAX EAC 2 115 VAC L2 NEUTRAL CONNECTION 24 V THERMOSTAT TERMINALS BLOWER SPEED...

Page 10: ...MPONENT TEST TWIN TERMINAL TRAN TRANSFORMER 115VAC 24VAC JUNCTION UNMARKED TERMINAL PCB TERMINAL FACTORY WIRING 115VAC FACTORY WIRING 24VAC FIELD WIRING 115VAC FIELD WIRING 24VAC CONDUCTOR ON PCB FIEL...

Page 11: ...lay 33 LIMIT OR FLAME ROLL OUT SWITCH IS OPEN If open longer than three minutes code changes to 13 Check for Defective blower motor or start capacitor Dirty filter or restricted duct system Loose blow...

Page 12: ...tatus code The status code is a 2 digit number with the first digit determined by the number of short flashes and the second digit by the number of long flashes Once status code is determined the cont...

Page 13: ...ault is cleared Check for Stuck open gas valve solenoid or leak Defective control board 23 PRESSURE SWITCH WILL NOT OPEN Check for Disconnected or obstructed pressure tubing Defective pressure switch...

Page 14: ...t theory and skills programs is available using popular video based formats and materials All include video and or slides plus companion book Classroom Service Training plus hands on the products in o...

Page 15: ...15...

Page 16: ...1996 CAC BDP P O Box 70 Indianapolis IN 46206 sggb1a09 16 Book Tab 1 6a 4 8a Catalog No 92 33GB 1A23...

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