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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 short1435±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
OC376B--2.qxp 08.1.17 1:15 PM Page 58