28
9-4. HOW TO CHECK THE PARTS
PUHZ-W85VHA2.UK
PUHZ-W85VHA2R1.UK
PUHZ-W85VHA2R3.UK
PUHZ-W85VHA2-BS.UK
PUHZ-W85VHA2R1-BS.UK PUHZ-W85VHA2R3-BS.UK
PUHZ-W85VHA2R4.UK PUHZ-W85VHA2R5.UK
PUHZ-W85VHA2R4-BS.UK PUHZ-W85VHA2R5-BS.UK
1
2
3
4
5
6
M
Gray
Orange
Red
Yellow
Black
Parts name
Check points
Disconnect the connector then measure the resistance with a tester.
(At the ambient temperature of 10 to 30
:
)
Thermistor (TH3)
<Liquid>
Thermistor (TH4)
<Discharge>
Thermistor (TH6)
<Plate Hex liquid>
Thermistor (TH7)
<Ambient>
Thermistor (TH8)
<Heat sink>
Thermistor (TH32)
<Inlet water>
Thermistor (TH33)
<Comp. surface>
Normal
160 to 410 k
"
4.3 to 9.6 k
"
4.4 to 9.8 k
"
39 to 105 k
"
TH4/TH33
TH3
TH6
TH7
TH32
TH8
Abnormal
Open or short
Measure the resistance between the terminals with a tester.
(At the ambient temperature of 20
:
)
Solenoid valve coil
<4-way valve>
(21S4)
Compressor
(MC)
Normal
Abnormal
Open or short
Measure the resistance between the terminals with a tester.
(At the ambient temperature of 20
:
)
Normal
1450 ± 150
"
Abnormal
Open or short
Solenoid valve coil
<Bypass valve>
(SV)
Refer to “9-4-1. Check method of DC fan motor (fan motor/outdoor controller circuit board)”.
Fan motor (MF1)
2350 ± 170
"
0.88
"
Measure the resistance between the terminals with a tester.
(Winding temperature 20
:
)
Normal
Abnormal
Open or short
W
V
U
Linear expansion valve
(LEV-A) (LEV-B)
Disconnect the connector then measure the resistance with a tester.
(Winding temperature 20°C)
Normal
Gray - Black
Gray - Red
Gray - Yellow
Gray - Orange
Abnormal
46 ± 3
Ω
Open or short
OCH465D
