3
APH DIP SWITCH FUNCTIONS ............................................................................................................................ 12
APH CFM D
ELIVERY AND ADJUSTMENTS ............................................................................................................ 12
APH T
HERMOSTAT “FAN ONLY” MODE .............................................................................................................. 12
APH H
UMIDITY CONTROL .................................................................................................................................. 12
APH T
WO-STAGE HEATING ............................................................................................................................... 12
APH T
HERMOSTAT WIRING ................................................................................................................................12
E
XPANSION VALVE (TXV) SYSTEM ..................................................................................................................... 13
H
EAT PUMP - HEATING CYCLE ........................................................................................................................... 14
ELECTRICAL ADJUSTMENTS ........................................................................................................................................... 14
MAINTENANCE .................................................................................................................................................................. 15
SERVICE ............................................................................................................................................................................ 15
COMMON CAUSES OF UNSATISFACTORY OPERATION OF HEAT PUMP ON THE HEATING CYCLE ........................................ 15
I
NADEQUATE AIR VOLUME THROUGH INDOOR COIL ............................................................................................... 15
OUTSIDE AIR INTO RETURN DUCT ..................................................................................................................... 15
UNDERCHARGE .............................................................................................................................................. 15
P
OOR “TERMINATING” SENSOR CONTACT ........................................................................................................... 15
MALFUNCTIONING REVERSING VALVE - THIS MAY BE DUE TO: ................................................................................ 15
APPENDIX ......................................................................................................................................................................... 16
TROUBLESHOOTING CHART ................................................................................................................................. 17
GPH15 B
LOWER PERFORMANCE DATA ............................................................................................................... 18
GPC15 B
LOWER PERFORMANCE DATA ............................................................................................................... 20
APH15 B
LOWER PERFORMANCE DATA ............................................................................................................... 21
APH15 CFM O
UTPUT AND DIP SWITCH SETTINGS .............................................................................................. 22
CFM O
UTPUT FOR DIP SWITCH COMBINATIONS 1-2 (ELECTRIC HEAT) .................................................................. 22
DIP SWITCH SETTINGS FOR SINGLE AND TWO-STAGE THERMOSTATS ...................................................................... 22
CFM OUTPUT FOR DIP SWITCH COMBINATIONS 5-6 (COOLING/HEATING). ............................................................. 22
ADJUSTMENTS THROUGH DIP SWITCH COMBINATIONS 7-8 .................................................................................... 22