NOTE: Read the entire instruction manual before performing anyservice or maintenance.Index PageSAFETY CONSIDERATIONS...
2. Check for discolored heat tape insulation. If any damage ordiscolored insulation is evident, replace heat tape.3. Check that heat tape power supply
PCBBLOWER OFF DELAYSELECTION CHART90 SEC135 SEC180 SEC225 SECGVRHI/LORELAYSEC-1SEC-2WHTPL1321654987LEDTEST/TWINBLOWEROFFDELAYGRYWCHUMHSIR IDR BLWRBLOW
→ Fig. 16—Service LabelA99107SERVICECOMPONENT TESTTo initiate the component test sequence,shut OFF the room thermostat ordisconnect the "R"
Is circuit breaker closed?Close door switch and go to start.Is red LED status light on? Is door switch closed?Is red LED status light blinkingrapidly
11 NO PREVIOUS FAULT - Faultsare erased after 48 hrs orwhenever power (115v or 24v) isinterrupted. Run system througha heating or cooling cycle toche
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A94328SERVICE TRAININGPackaged Service Training programs are an excellent way to increase your knowledge of the equipment discussed in this manual, in
WARNING: Never store anything on, near, or in contactwith the furnace, such as:1. Spray or aerosol cans, rags, brooms, dust mops,vacuum cleaners, or o
7. Place filter in furnace.8. Replace blower access panel and main furnace door.9. Turn on electrical supply to furnace.NOTE: If the filter has cross-
CAUTION: Heating speed selection MUST be adjustedto provide proper temperature rise as specified on therating plate. Failure to adjust the heating spe
1. Turn off gas and electrical supplies to furnace.2. Remove main furnace door.3. Disconnect wires or connectors to rollout switch, gas valve,ignitor,
8. Flush inside of collector box with water until dischargefrom condensate trap is clean and runs freely.NOTE: Ensure the drain tube disconnected from
hydrocarbons or inadequate seal may occur) to inducer housing.(See Fig. 10.) Apply a small bead of G.E. RTV 162, G.E. RTV6702, or Dow-Corning RTV 738
Fig. 11—Field WiringA98209115-VFIELD-SUPPLIEDDISCONNECTAUXILIARYJ-BOX CONTROLBOX24-VTERMINALBLOCK THREE-WIREHEATING-ONLYFIVEWIRE NOTE 1NOTE 2FIEL
The control center stores 1 fault code (the last fault to occur) for aperiod of 48 hrs or until the 115- or 24-v power is interrupted.NOTE: Removing b
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