65
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)
<Dischatge>
<Compressor>
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)
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)
Measure the resistance between the terminals with a tester.
(Winding temperature 20
)
W
V
U
+
1 TH8 is internal thermistor
of power module. (Y)
Normal
1435 ± 150
Abnormal
Open or short
Normal
0.330
Abnormal
Open or short
9-7. HOW TO CHECK THE PARTS
PUMY-P100VHMB(-BS) PUMY-P100VHMBR1(-BS) PUMY-P100VHMBR2(-BS)
PUMY-P125VHMB(-BS) PUMY-P125VHMBR1(-BS) PUMY-P125VHMBR2(-BS)
PUMY-P140VHMB(-BS) PUMY-P140VHMBR1(-BS) PUMY-P140VHMBR2(-BS)
PUMY-P100YHMB(-BS) PUMY-P100YHMBR1(-BS) PUMY-P100YHMBR2(-BS)
PUMY-P125YHMB(-BS) PUMY-P125YHMBR1(-BS) PUMY-P125YHMBR2(-BS)
PUMY-P140YHMB(-BS) PUMY-P140YHMBR1(-BS) PUMY-P140YHMBR2(-BS)