Mitsubishi PUMY-P100VHM Technical & Service Manual page 58

9-7. HOW TO CHECK THE PARTS
PUMY-P100VHM
PUMY-P100VHMA
PUMY-P100VHMA-BS
Parts name
Thermistor (TH3)
Disconnect the connector then measure the resistance with a tester.
<Outdoor pipe>
(At the ambient temperature 10 ~30 )
Thermistor (TH4)
<Discharge>
Thermistor (TH6)
<Low pressure saturated
temperature>
Thermistor (TH7)
<Outdoor>
Thermistor (TH8)
<Heatsink>
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)
Motor for compressor Measure the resistance between the terminals with a tester.
(Winding temperature 20 )
(MC) U
V
W
Measure the resistance between the terminals with a tester.
Solenoid valve coil
(At the ambient temperature 20 )
<Bypass valve>
(SV1)
PUMY-P125VHM
PUMY-P125VHMA
PUMY-P125VHMA-BS PUMY-P140VHMA-BS
Normal
TH4 160k ~410k
TH3
TH6 4.3k ~9.6k
TH7
TH8
39k ~105k
Normal
1435±150
Normal
0.188
Normal
1197±10
PUMY-P140VHM
PUMY-P140VHMA
Check points
Abnormal
Open or short
Abnormal
Open or short
Abnormal
Open or short
Abnormal
Open or short
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