Operating instructions

9
SYMPTOM CAUSE REFER TO PAGE
BASEMENT (DUAL COMPRESSOR)
HEAT PUMP SECTION:
1. Unit does not run; no fan, no compressor.
2. Fan operates; compressor will not come on (does
not "hum")
3. Fan operation; compressor tries to start, cycles
"OFF" and "hums" again, or blows circuit breaker.
4. Fan operates; compressor runs for a short while,
cycles "OFF", cycles back "ON"
5. Compressor runs; no fan.
6. Fan runs; but not on all speeds.
7. Inside coil freezes.
Configuration 2G 106
Operation 1G 100
AC Voltage 1B 26
DC Voltage 3G 127
Breaker 3B 26
Fuse 4G/7 133
Cable Assembly 4G/2 128
Comfort Control Center 4G 127
AC Power Module Board 4G/6 130
Operation 1G 100
Cable Assembly 4G/2 128
Compressor 5C 36
AC Power Module Board 4G/6 130
Comfort Control Center 4G 127
AC Voltage 1B 26
PTCR 4C 36
Start or Run Capacitor 2C/3C 35/36
Overload Protector 6C 37
Compressor 5C 36
Short Cycle 9C 38
Air Flow Obstruction 10C 38
Air Distribution System 11C 38
Overload Protector 6C 37
Compressor 5C 36
Refrigerator System 13C 45
Wiring 8B 29
Run Capacitor 2C 35
Motor 1C 34
AC Power Module Board 4G/6 130
Comfort Control Center 4G 127
Wiring 8B 29
Motor 1C 34
Cable Assembly 4G/2 128
AC Power Module Board 4G/6 130
Comfort Control Center 4G 127
Operation 1G 100
Air Flow Obstruction 10C 38
Air Distribution System 11C 38
Low Charge 14C 47
Capillary Tube Blockage 14C 47
Reversing Valve 9F 95
DUO-THERM COMFORT CONTROL CENTER SYSTEMS . . . Continued