Operating instructions
3
SYMPTOM CAUSE REFER TO PAGE
(Roof Mounted Air Conditioner Sec. continued)
5. Compressor runs, no fan.
6. Fan runs, but not on all speeds.
7. Air distribution box unit: Inside coil freezes
8. Duct in ceiling unit: Inside coil freezes.
9. Air Distribution Box Unit: Insufficient cooling or
heating, compressor runs constantly.
10. Duct in ceiling unit: Insufficient cooling or heater,
compressor runs constantly.
11. Air distribution box unit: Insufficient cooling or
heating with reduced air output.
12. Duct in ceiling unit: Insufficient cooling or heating
with reduced air output.
13. Excessive cooling or heating.
Wiring 5B 27
Run Capacitor 2C 35
AC Power Module 4G/6 130
Comfort Control Center 4G 127
Wiring 5B 27
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
Low Charge 14C 47
Capillary Tube Blockage 14C 47
Reversing Valve 9F 95
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
Air Flow Obstruction 10C 38
Heat Gain/Heat Loss 12C/B 44
Refrigerant System 13C 45
Compressor 5C 36
Air Flow Obstruction 10C 38
Air Distribution System 11C 38
Heat Gain/Heat Loss 12C/B 44
Refrigerant System 13C 45
Compressor 5C 36
Air Flow Obstruction 10C 38
Blower Wheel 12C/E 44
Air Flow Obstruction 10C 38
Air Distribution System 11C 38
Blower Wheel 12C/E 44
Remote Sensor 4G/5 129
AC Power Module 4G/6 130
Comfort Control Center 4G 127
DUO-THERM COMFORT CONTROL CENTER SYSTEMS . . .
Continued