54
1
2
3
4
5
6
M
Gray
Orange
Red
Yellow
Black
1
2
3
4
5
6
M
Parts name
Check points
Disconnect the connector then measure the resistance with a tester.
(At the ambient temperature 50 to 86°F [10
to 30
:
])
Disconnect the connector then measure the resistance with a tester.
(Winding temperature 68°F [20
:
])
Thermistor (TH3)
<Liquid>
Thermistor (TH6)
< 2-phase pipe>
Thermistor (TH7)
<Ambient>
Thermistor (TH8)
<Heat sink>
Thermistor (TH32)
<Comp. Surface>
Thermistor (TH33)
<Suction>
Normal
160 to 410 k
"
4.3 to 9.6 k
"
39 to 105 k
"
TH32
TH3
TH6
TH7
TH33
TH8
Abnormal
Open or short
Normal
Red - White
Red - Orange
Brown - Yellow
Brown - Blue
Abnormal
46
i
4
"
Measure the resistance between the terminals with a tester.
(At the ambient temperature 68°F [20
:
])
Solenoid valve coil
<4-way valve>
(21S4)
Motor for compressor
(MC)
Linear expansion valve
(LEV-A)
For A12, 18
Linear expansion valve
(LEV-A)
For A24–42
Normal
Abnormal
Open or short
A18–36
A42
Open or short
Disconnect the connector then measure the resistance with a tester.
(Winding temperature 68°F [20
:
])
Measure the resistance between the terminals with a tester.
(At the ambient temperature 68°F [20
:
])
Normal
1450
i
150
"
Abnormal
Open or short
Solenoid valve coil
<Bypass valve>
(SV)
For A24–36 only
Refer to “10-6-8. Check method of DC fan motor (fan motor/ outdoor controller circuit board)”.
Fan motor (MF1,MF2)
1500
i
150
"
2350
i
170
"
A12, 18
A42
0.320
"
A24, 30, 36
0.880
"
0.266
"
Measure the resistance between the terminals with a tester.
(Winding temperature 68°F [20
:
])
Normal
Abnormal
Open or short
W
V
U
Red
Brown
Blue
Orange
Yellow
White
Normal
Gray - Black
Gray - Red
Gray - Yellow
Gray - Orange
Abnormal
46
i
3
"
Open or short
10-6. HOW TO CHECK THE PARTS
PUZ-A18/24/30/36/42NHA6 PUZ-A18/24/30/36/42NHA6-BS
PUY-A12/18/24/30/36/42NHA6 PUY-A12/18/24/30/36/42NHA6-BS
OCH577A
