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SM830076
2-9 Auto. Mode for Automatic Heating/Cooling Switching........................................ 35
2-10 Defrosting Control, Outdoor Heat Exchanger Coil (Heating).............................. 37
2-11 4-Way Valve, Solenoid Control ...........................................................................38
(A) Normal Control Mode ....................................................................................38
(B) AUTO Control Mode ......................................................................................39
2-12 Automatic Restart after Power Interruption ........................................................ 39
2-13 Electronic Expansion Valve ................................................................................40
2-14 Compressor Discharge Gas Temperature ......................................................... 40
(A) Cooling ..........................................................................................................40
(B) Heating (Except During Defrosting) ...............................................................40
2-15 Compressor Current Detection Circuit ................................................................41
2-16 Electronic Expansion Valve Control ....................................................................42
2-17 Voltage Detection Control ...................................................................................43
3. ELECTRICAL DATA .................................................................................................... 45
3-1 Indoor Unit (Electric Wiring Diagram, Schematic Diagram) ............................... 46
3-2 Outdoor Unit (Electric Wiring Diagram, Schematic Diagram)............................. 48
4. SERVICE PROCEDURES ...........................................................................................53
4-1 Troubleshooting ..................................................................................................54
4-2 Checking the Electrical Components ..................................................................87