Room temparature
thermistor
(TH21)
Liquid pipe thermistor
(TH22)
Gas pipe thermistor
(TH23)
Transformer
Fan motor
Linear expansion
valve
Disconnect the connector, then measure the resistance using a tester.
(Surrounding temperature 10°C~30°C[50°F~86°F])
Disconnect the connector and measure the resistance using a tester.
Measure the resistance between the terminals using a tester. (at 20˚C[68°F])
Disconnect the connector then measure the resistance valve using a tester.
Refer to the next page for a detail.
Normal
4.3kΩ ~9.6kΩ
Abnormal
Open or short
CNT(1)-(3)
Normal
App.15
Ω
CN3T(1)-(3)
App.4
Ω
Abnormal
Open or short
Normal
(1)-(5)
White-Red
200
Ω
±10%
Abnormal
Open or short
(2)-(6)
Yellow-
Blown
(3)-(5)
Orange-Red
(4)-(6)
Blue-Brown
1
2
3
1
2
3
CNT T CN3T
Red Blue
Blue
White
1
2
3
4
5
6
LEV
White
Yellow
Orange
Blue
Red
Brown
CN60
Parts name Check points
1
Blue
Black
Red
White
Yellow
White
Relay connector
C
PFFY-P06~18
NEMU-E/NRMU-E
PFFY-P24
NEMU-E/NRMU-E
Motor terminal
or
Relay connector
Normal
Abnormal
Open or short
Measure the resistance between the terminals using a tester. (at 20˚C[68°F])
Motor terminal
or
Relay connector
Normal
Abnormal
Open or short
3
4
2
1
1
Blue
Black
Red
White
Yellow
White
Relay connector
Protector
Thermal fuse
Fan motor
C
3
4
2
1
Black - White
Red - Yellow
Yellow - Blue
Blue - Black
335.0
8,10
174.0
56.8
99.6
Black - White
Red - Yellow
Yellow - Blue
Blue - Black
112.0
24
78.0
12.7
50.8
294.0
12
150.0
52.0
78.0
114.0
16
80.0
30.0
42.0
101.4
20
60.3
15.1
29.4
(Refer to the thermistor characteristic graph
on next page.)
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