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 +1
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
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)
1370 ±100
Measure the resistance between the terminals with a tester.
(Winding temperature 20
)
Normal Abnormal
Open or short
W
V
U
+1 TH8 is internal thermistor
of power module.
1435 ±150
0.302 0.330
P100, P125,P140YHM
P100,P125,P140YHM
1/YHMA
P100, P125,P140YHM
(1) P100,P125,P140YHMA
9-7. HOW TO CHECK THE PARTS
PUMY-P100YHM PUMY-P100YHM
1 PUMY-P100YHMA PUMY-P100YHMA-BS
PUMY-P125YHM PUMY-P125YHM
1 PUMY-P125YHMA PUMY-P125YHMA-BS
PUMY-P140YHM PUMY-P140YHM
1 PUMY-P140YHMA PUMY-P140YHMA-BS
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