ICP F9MXT0401410A Service And Technical Support Manual

Contents

ICP F9MXT0401410A Service And Technical Support Manual Manual pdf 1 page image

Printed in U.S.A. 440 04 4321 04 July 2012SERVICE AND TECHNICALSUPPORT MANUALTwo−Stage, ECM Blower Motor35” Tall, High Efficiency Condensing Gas Furnace(F/G)9MXTSave this manual for future reference.Safety Labeling and Signal WordsDANGER, WARNING, CAUTION, and NOTEThe signal words DANGER, WARNING,CAUTION, and NOTE are used to identify levels ofhazard seriousness. The signal word DANGER isonly used on product labels to signify an immediatehazard. The signal words WARNING, CAUTION,and NOTE will be used on product labels andthroughout this manual and other manual that mayapply to the product.DANGER − Immediate hazards which will result insevere personal injury or death.WARNING − Hazards or unsafe practices whichcould result in severe personal injury or death.CAUTION − Hazards or unsafe practices whichmay result in minor personal injury or product orproperty damage.NOTE − Used to highlight suggestions which willresult in enhanced installation, reliability, oroperation.! WARNINGSignal Words in ManualsThe signal word CAUTION is used throughoutthis manual in the following manner:! CAUTIONSignal Words on Product LabelingSignal words are used in combination withcolors and/or pictures or product labels.The signal word WARNING is used throughoutthis manual in the following manner:Safety−alert symbolWhen you see this symbol on the unit and ininstructions or manuals, be alert to thepotential for personal injury.TABLE OF CONTENTSSTART−UP, ADJUSTMENT, AND SAFETY CHECK 4. . . . . . . . . . .THERMOSTAT SETUP SWITCH 4. . . . . . . . . . . . . . . . . . . . . . . . . . .PRIME CONDENSATE TRAP WITH WATER 4. . . . . . . . . . . . . . . . .PURGE GAS LINES 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ADJUSTMENTS 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ADJUST TEMPERATURE RISE 10. . . . . . . . . . . . . . . . . . . . . . . . . . . .ADJUST BLOWER OFF DELAY (HEAT MODE) 11. . . . . . . . . . . . . .ADJUST COOLING AIRFLOW 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . .ADJUST CONTINUOUS FAN AIRFLOW 11. . . . . . . . . . . . . . . . . . . .ADJUST THERMOSTAT HEAT ANTICIPATOR 11. . . . . . . . . . . . . . .CHECK SAFETY CONTROLS 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . .CHECKLIST 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .SERVICE AND MAINTENANCE PROCEDURES 13. . . . . . . . . . . . .ELECTRICAL CONTROLS AND WIRING 13. . . . . . . . . . . . . . . . . . .TROUBLESHOOTING 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .CLEANING AND/OR REPLACING AIR FILTER 15. . . . . . . . . . . . . .BLOWER MOTOR AND WHEEL MAINTENANCE 15. . . . . . . . . . . .CLEANING BURNERS AND FLAME SENSOR 17. . . . . . . . . . . . . . .SERVICING HOT SURFACE IGNITER 18. . . . . . . . . . . . . . . . . . . . . .FLUSHING COLLECTOR BOX AND DRAINAGE SYSTEM 18. . . .CLEANING CONDENSATE DRAIN AND TRAP 19. . . . . . . . . . . . . .CLEANING HEAT EXCHANGERS 19. . . . . . . . . . . . . . . . . . . . . . . . . .SERVICE LABEL 21. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .WIRING DIAGRAM 22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .SEQUENCE OF OPERATION 25. . . . . . . . . . . . . . . . . . . . . . . . . . . . .PARTS REPLACEMENT INFORMATION GUIDE 29. . . . . . . . . . . . .PRODUCT NOMENCLATURE 30. . . . . . . . . . . . . . . . . . . . . . . . . . . . .MODELS(F/G)9MXT0401410A(F/G)9MXT0601714A(F/G)9MXT0801716A(F/G)9MXT0802120A(F/G)9MXT1002120A(F/G)9MXT1202422AUse of the AHRI Certified TM Mark indicates amanufacturer’s participation in the program.For verification of certification for individualproducts, go to www.ahridirectory.org .