Operating instructions

15
SYMPTOM CAUSE REFER TO PAGE
Thermostat 7F/A-7F/B 80
Wiring 13B 31
Relay 14F/H 99
Loose Parts 12C/C 44
Tubing Vibration 12C/D 44
Operation 2F 75
AC Volts 1B 26
DC Volts 6F 80
Breaker 3B 26
Wiring 14B 31
Thermostat 7F/C 83
Operation 2F 74
Thermostat 7F/C 83
Wiring 14B 31
Relay 14F/D 98
Compressor 5C 36
AC Volts 1B 26
PTCR 4C 36
Start Capacitor 3C 36
Run Capacitor 2C 35
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
Refrigerant System 13C 45
Wiring 14B 31
Thermostat 7F/C 83
Relay 14F/E 98
Run Capacitor 2C 35
Motor 1C 34
Wiring 14B 31
Thermostat 7F/C 83
Relay 14F/D 98
Motor 1C 34
(Model 390XX.XXX Section Continued)
9. Excessive cooling
10. Noisy operation
MODEL 391XX.XXX SECTION
1. Unit does not run: No fan, no compressor
2. Fan operates: Compressor will not come on (does
not "hum")
3. Fan operates: 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
DUO-THERM BASEMENT AIR CONDITIONERS & HEAT PUMPS . . . Continued