Sanyo KH2442 / CH2442 Service Manual page 190

7
Solenoid coil of the electronic refrigerant
control valve (ERCV) ............ Indoor unit
• Measure the resistance between No. 5 (GRY lead wire) and other terminals (another color of
lead wires) of 5P (WHT) plug connected to the solenoid coil.
8
Compressor motor (CM) ......... Outdoor unit
• In case of single -phase compressor
Remove the cover of compressor terminal and measure the resistance
Section
between terminals.
1
9
Compressor motor magnetic contactor (52C) ............ Outdoor unit
• Measure the resistance between A (ORG lead wire) and B (GRY lead wire) terminals on
the compressor motor magnetic contactor.
2
• Check the continuity between contactors.
MODEL
Push button on
the magnetic
contactor
3
no press
press
0
Solenoid coil of 4-way valve (20S) ... Outdoor unit
4
• Measure the resistance between No.1 (BLK lead wire) and No.2 (BLK lead wire) terminals
of 2P (BLK) socket connected to the solenoid coil.
Refer to "1-2-(A) Major component specifications".
Refer to "1-2 Major component specifications".
Refer to "1-3 Other component specifications".
R – U
––––
YES
Refer "1-3 Other component specifications".
*Measure the coil resistance.
*Measure the coil resistance.
FMCA–1UL
Pair of terminals
S – V T – W 31 – 32
–––– –––– YES
YES YES ––––
*Measure the coil resistance.
IV - 34
4. Service procedures
SM830082