To Next Page

To Previous Page

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

Sanyo CH3642 User Manual

Questions and Answers: