ICP A3 Series, Service And Technical Support Manual

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Printed in U.S.A.
440 04 4801 03
8/15/2017
SERVICE AND TECHNICAL SUPPORT MANUAL
Variable Speed Motor, Two − Stage
35” Tall, High Efficiency Condensing Gas Furnace
(F/G)9MVE 0401410, 0401712, 0601412, 0601714, 0801716 ’A3’ Series
(F/G)9MVE 0802120, 1002120, 1202422 ’A3’ or ’A4’ Series
Save this manual for future reference.
Safety Labeling and Signal Words
DANGER, WARNING, CAUTION, and NOTE
The signal words DANGER, WARNING ,
CAUTION , and NOTE are used to identify levels of
hazard seriousness. The signal word DANGER is
only used on product labels to signify an immediate
hazard. The signal words WARNING , CAUTION ,
and NOTE will be used on product labels and
throughout this manual and other manual that may
apply to the product.
DANGER − Immediate hazards which will result in
severe personal injury or death.
WARNING
− Hazards or unsafe practices which
could result in severe personal injury or death.
CAUTION − Hazards or unsafe practices which
may result in minor personal injury or product or
property damage.
NOTE − Used to highlight suggestions which will
result in enhanced installation, reliability, or
operation.
!
WARNING
Signal Words in Manuals
The signal word CAUTION is used throughout
this manual in the following manner:
!
CAUTION
Signal Words on Product Labeling
Signal words are used in combination with
colors and/or pictures or product labels.
The signal word WARNING is used throughout
this manual in the following manner:
Safety − alert symbol
When you see this symbol on the unit and in
instructions or manuals, be alert to the
potential for personal injury.
TABLE OF CONTENTS
START − UP, ADJUSTMENT, AND SAFETY CHECK 4 . . . . . . . . . . .
SETUP SWITCHES 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PRIME CONDENSATE TRAP WITH WATER 4 . . . . . . . . . . . . . . . . .
PURGE GAS LINES 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ADJUSTMENTS 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ADJUST TEMPERATURE RISE 11 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ADJUST BLOWER OFF DELAY (HEAT MODE) 12 . . . . . . . . . . . . . .
ADJUST COOLING AIRFLOW 12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ADJUST CONTINUOUS FAN AIRFLOW 12 . . . . . . . . . . . . . . . . . . . .
ADJUST THERMOSTAT HEAT ANTICIPATOR 14 . . . . . . . . . . . . . . .
CHECK SAFETY CONTROLS 14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CHECKLIST 14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
COOLING AND HEATING AIR DELIVERY - CFM 15 . . . . . . . . . . . . .
SERVICE AND MAINTENANCE PROCEDURES 17 . . . . . . . . . . . . .
ELECTRICAL CONTROLS AND WIRING 17 . . . . . . . . . . . . . . . . . . .
CLEANING AND/OR REPLACING AIR FILTER 19 . . . . . . . . . . . . . .
BLOWER MOTOR AND WHEEL MAINTENANCE 20 . . . . . . . . . . . .
CLEANING BURNERS AND FLAME SENSOR 21 . . . . . . . . . . . . . . .
SERVICING HOT SURFACE IGNITER 22 . . . . . . . . . . . . . . . . . . . . . .
FLUSHING COLLECTOR BOX AND DRAINAGE SYSTEM 23 . . . .
CLEANING CONDENSATE DRAIN AND TRAP 23 . . . . . . . . . . . . . .
CLEANING HEAT EXCHANGERS 23 . . . . . . . . . . . . . . . . . . . . . . . . . .
SERVICE LABEL 26 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
WIRING DIAGRAM 27 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TROUBLESHOOTING GUIDE − FLOW CHART 28 . . . . . . . . . . . . . .
SEQUENCE OF OPERATION 30 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PARTS REPLACEMENT INFORMATION GUIDE 35 . . . . . . . . . . . . .
PRODUCT NOMENCLATURE 36 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
MODELS
(F/G)9MVE0401410A3
(F/G)9MVE0401712A3
(F/G)9MVE0601412A3
(F/G)9MVE0601714A3
(F/G)9MVE0801716A3
(F/G)9MVE0802120A3
(F/G)9MVE0802120A4
(F/G)9MVE1002120A3
(F/G)9MVE1002120A4
(F/G)9MVE1202422A3
(F/G)9MVE1202422A4
Use of the AHRI Certified TM Mark indicates a
manufacturer’s participation in the program.
For verification of certification for individual
products, go to www.ahridirectory.org .