Sanyo CH3642 - 2-7 Overload Protection (Heating); 2-8 Discharge Temperature Control (Cooling and Heating); 2-9 Auto. Mode for Automatic Heating;Cooling Switching; 2-10 Defrosting Control, Outdoor Heat Exchanger Coil (Heating)

2-7 Overload Protection (Heating) ..................................................................II - 9
2-8 Discharge Temperature Control (Cooling and Heating) ...........................II - 10
2-9 Auto. Mode for Automatic Heating/Cooling Switching ..............................II - 11
2-10 Defrosting Control, Outdoor Heat Exchanger Coil (Heating) ....................II - 13
2-11 4-Way Valve, Solenoid Control.................................................................II - 14
2-12 Automatic Restart after Power Interruption...............................................II - 15
2-13 Electronic Expansion Control Valve..........................................................II - 16
2-14 Compressor Discharge Gas Temperature................................................II - 16
2-15 Compressor Current Detection Circuit......................................................II - 17
2-16 Electronic Expansion Valve ......................................................................II - 18
2-17 Voltage Detection Control.........................................................................II - 19
3. ELECTRICAL DATA ........................................................................................III - 1
3-1 Indoor Unit (Electric Wiring Diagram, Schematic Diagram).....................III - 2
3-2 Outdoor Unit (Electric Wiring Diagram, Schematic Diagram) ..................III - 12
4. SERVICE PROCEDURES............................................................................... IV - 1
4-1 Troubleshooting ...................................................................................... IV - 2
4-2 Checking the Electrical Components...................................................... IV - 30
SM830082
iii