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1. SPECIFICATIONS
4
1-1 Unit specifications 4
1-2 Major Component specifications 7
1-3 Other Component specifications 10
2. DIMENSIONAL DATA
11
3. ELECTRICAL DATA
12
3-1 Electric Wiring Diagram 12
4. FUNCTION
13
4-1 Room Temperature Control 13
4-2 Cold Draft Prevention (Heating Cycle) 15
4-3 Automatic Fan Speed (Indoor Unit) 16
4-4 Freeze Prevention (Cooling) 17
4-5 Overload Protection (Heating) 18
4-6 Discharge Temperature Control (Cooling and Heating) 19
4-7 Auto Mode for Automatic Heating/Cooling Switching 19
4-8 Automatic Restart after Power Interruption 21
4-9 Electronic Expansion Control Valve 21
4-10 Dehumidifying Operation 21
4-11 Auto-Flap Control (Indoor Unit: 4-Way Air Discharge) 22
4-12 Electronic Expansion Valve 23
4-13 Voltage Detection Control 23
5. TROUBLESHOOTING
24
6. CHECKING ELECTRICAL COMPONENTS
57
6-1 Measurement of Insulation Resistance 57
6-2 Checkin