26
1
2
3
4
5
M
Gray
Orange
Red
Yellow
Black
Parts name
Check points
Disconnect the connector then measure the resistance with a tester.
(At the ambient temperature 10
~30
)
TH3: Liquid pipe
temperature
TH4: Discharge
temperature
TH6: 2-phase pipe
temperature
TH7: Ambient
temperature
TH32: Suction pipe
temperature
TH34: Comp. surface
temperature
Normal
160k
~ 410k
4.3k
~ 9.6k
TH4
TH34
TH3
TH6
TH7
TH32
Abnormal
Open or short
Measure the resistance between the terminals with a tester.
(At the ambient temperature 20
)
Solenoid valve coil
<4-way valve>
(21S4)
Motor for compressor
(MC)
Linear expansion valve
(LEV-A/LEV-B/LEV-C)
Normal
Abnormal
Open or short
Abnormal
Open or short
0.37
Disconnect the connector then measure the resistance with a tester.
(Winding temperature 20
)
Normal
Gray - Black
Gray - Red
Gray - Yellow
Gray - Orange
Abnormal
46±3
Open or short
Refer to next page.
Fan motor(MF1,MF2)
Measure the resistance between the terminals with a tester.
(Winding temperature 20
)
Normal (U-V, U-W, W-V)
W
V
U
1435±150
8-5. HOW TO CHECK THE PARTS
PUHZ-SHW230YKA
OCH534