
NOTE: Read the entire instruction manual before starting theinstallation.TABLE OF CONTENTSSAFETY CONSIDERATIONS...
Fig. 13—Service LabelA99233SERVICEGRYWComHUMTESTLEDLED CODESTATUS24V1112131421222324313334*986532147COMPONENT TESTNO PREVIOUS CODE - Stored status cod
Troubleshooting GuideA99123aIs circuit breaker closed?Close door switch and go to start.Is red LED status light on? Is door switch closed?Is red LED s
A99123b11 NO PREVIOUS FAULT - Faultsare erased after 48 hrs orwhenever power (115v or 24v) isinterrupted. Run system througha heating or cooling cycl
Recognize safety information. This is the safety-alert symbol .When you see this symbol on the furnace and in instructions ormanuals, be alert to the
c. Reach up behind top plate, tilt filters toward center ofreturn-air plenum, remove filters, and clean as needed.Replace if torn.d. Furnaces are equi
2. Remove 2 screws from blower access door(downflow/horizontal furnace only) and remove bloweraccess door.3. Downflow only.a. Disconnect vent connecto
WARNING: Blower access door switch opens 115-vpower to control center. No component operation canoccur. Caution must be taken when manually closing th
(6.) Using vacuum cleaner, remove residue from eachcell.(7.) Using vacuum cleaner with soft brush attachment,clean burner assembly.(8.) Reinstall cell
Fig. 10—Heating and Cooling Application Wiring DiagramA98521115-V FIELD-SUPPLIEDDISCONNECT AUXILIARYJ-BOX 24-VTERMINALBLOCK THREE-WIREHEATING-ONL
Fig. 12—Furnace Wiring Diagram A00304PCBBLOWER OFF DELAYSELECTION CHART90 SEC135 SEC180 SEC225 SECGVRHI/LORELAYSEC-1SEC-2PL1321654987LEDTEST/TWINBLOWE
b. Look into blower access door sight glass for currentLED status.NOTE: Leave blower access panel installed to maintain power tocontrol to view curren
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