58
Parts name
Check points
Disconnect the connector then measure the resistance with a tester.
(At the ambient temperature 10
~30
)
Thermistor (TH3)
<Outdoor pipe>
Thermistor (TH4)
<Discharge>
Thermistor (TH6)
<Low pressure saturated
temperature>
Thermistor (TH7)
<Outdoor>
Thermistor (TH8)
<Heatsink>
Normal
160k
~410k
4.3k
~9.6k
39k
~105k
TH4
TH3
TH6
TH7
TH8
Abnormal
Open or short
Measure the resistance between the terminals with a tester.
(At the ambient temperature 20
)
Solenoid valve coil
<Four-way valve>
(21S4)
Motor for compressor
(MC)
Normal
Abnormal
Open or short
1435±150
Measure the resistance between the terminals with a tester.
(At the ambient temperature 20
)
Normal
1197±10
Abnormal
Open or short
Solenoid valve coil
<Bypass valve>
(SV1)
Refer to next page.
Fan motor(MF1,MF2)
0.188
Measure the resistance between the terminals with a tester.
(Winding temperature 20
)
Normal
Abnormal
Open or short
W
V
U
9-7. HOW TO CHECK THE PARTS
PUMY-P100VHM
PUMY-P125VHM
PUMY-P140VHM
PUMY-P100VHMA
PUMY-P125VHMA
PUMY-P140VHMA
PUMY-P100VHMA-BS PUMY-P125VHMA-BS PUMY-P140VHMA-BS