How To Check The Parts - Mitsubishi PUMY-P60NKMU Technical & Service Manual

8-7. HOW TO CHECK THE PARTS

PUMY-P60NKMU
PUMY-P60NKMU-BS
Parts name
Thermistor (TH2)
Disconnect the connector then measure the resistance with a tester.
<HIC piping temp.>
(At the ambient temperature 10:~30:)
Thermistor (TH3)
<Piping temp.>
Thermistor (TH4)
<Compressor>
Thermistor (TH6)
<Low pressure saturated
temperature>
Thermistor (TH7)
<Outdoor temp.>
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:)
<Four-way valve>
(21S4)
Measure the resistance between the terminals with a tester.
Motor for compressor
(Winding temperature 20:)
U
(MC)
V
W
Measure the resistance between the terminals with a tester.
Solenoid valve coil
(At the ambient temperature 20:)
<Bypass valve>
(SV1)
OCH502C
Normal
TH4
160k"~410k"
TH2
TH3
4.3k"~9.6k"
TH6
TH7
Normal
1580 ± 110"
Normal
0.37"
Normal
1197 ± 10"
Check points
Abnormal
Open or short
Abnormal
Open or short
Abnormal
Open or short
Abnormal
Open or short
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