Mitsubishi Electric PUHZ-HRP200YKA Service Manual page 26

8-5. HOW TO CHECK THE PARTS
PUHZ-HRP200YKA
Parts name
TH3: Liquid pipe
temperature
Disconnect the connector then measure the resistance with a tester.
TH4: Discharge
(At the ambient temperature 10 ~30 )
temperature
TH6: 2-phase pipe
temperature
TH7: Ambient
temperature
TH32: Suction pipe
temperature
Fan motor(MF1,MF2) Refer to next page.
Solenoid valve coil Measure the resistance between the terminals with a tester.
(At the ambient temperature 20 )
<4-way valve>
(21S4)
Motor for compressor Measure the resistance between the terminals with a tester.
(Winding temperature 20 )
(MC)
U
V
W
Linear expansion valve
Disconnect the connector then measure the resistance with a tester.
(LEV-A/LEV-B/LEV-C)
(Winding temperature 20 )
Gray
M
1
2
Orange
3
Red
4
Yellow
5
Black
6
Normal
TH4 160k ~ 410k
TH3
TH6
4.3k ~ 9.6k
TH7
TH32
Normal
1435±150
Normal (U-V, U-W, W-V)
0.37
Gray - Black Gray - Red
Check points
Abnormal
Open or short
Abnormal
Open or short
Abnormal
Open or short
Normal
Gray - Yellow
Gray - Orange
46±3
26
Abnormal
Open or short