48
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 10
~30
)
Thermistor (TH3)
<Outdoor pipe>
Thermistor (TH4)
<Discharge>
Thermistor (TH6)
<Outdoor 2-phase pipe>
Thermistor (TH7)
<Outdoor>
Normal
160k
~410k
4.3k
~9.6k
TH4
TH3
TH6
TH7
Abnormal
Open or short
Measure the resistance between the terminals with a tester.
(At the ambient temperature 20
)
4-way valve coil
(21S4)
Compressor
(MC)
Linear expansion valve
(LEV-A) RP200
Normal
Abnormal
Open or short
Disconnect the connector then measure the resistance with a tester.
(Winding temperature 20
)
Normal
Gray - Black
Gray - Red
Gray - Yellow
Gray - Orange
Abnormal
46±3
Open or short
Refer to next page.
Fan motor(MF1,MF2)
0.30
Measure the resistance between the terminals with a tester.
(Winding temperature 20
)
Normal
Abnormal
Open or short
1197±10
Normal
Abnormal
Open or short
W
V
U
1435±150
1
2
3
4
5
6
M
Blue
Brown
Yellow
Orange
Red
White
Disconnect the connector then measure the resistance with a tester.
(Winding temperature 20
)
Normal
Red - White Red - Orange Brown - Yellow Brown - Blue
Abnormal
46±4
Linear expansion valve
( LEV-A, LEV-B)
RP250
Open or short
Measure the resistance between the terminals with a tester.
(At the ambient temperature 20
)
Bypass valve coil
(SV)
10-6. HOW TO CHECK THE PARTS
PUHZ-RP200YHA2
PUHZ-RP250YHA2
