Mitsubishi Electric PDFY-10NMU-A, Техническое и сервисное руководство, Страница: 14 / 25

12
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.
(Sorrounding temperature 10˚C~30˚C)
Disconnect the connector and measure the resistance using a tester.
Measure the resistance between the terminals using a tester. (at 20˚C)
20˚C)
Disconnect the connector then measure the resistance valve using a tester.
Refer to the next page for a detail.
(Refer to the thermistor)
Normal
4.3k
Ω
~9.6k
Ω
Abnormal
Open or short
CNT(1)-(3)
Normal
App.45
Ω
CN3T(1)-(3)
App.1
Ω
Abnormal
Open or short
Motor terminal
or
Relay connector
Normal
Abnormal
Orange-Gray
Gray-Orange
Orange-Black
Black-Blue
Blue-Yellow
Yellow-Red
43.1
Ω
10,16 24~32
Open or short
Brack-Gray 53.6
Ω
40.5
Ω
48.8
Ω
23.5
Ω
40 48
4.79
Ω
6.78
Ω
13.77
Ω
29.8
Ω
16.45
Ω
8.30
Ω
1.454
Ω
7.94
Ω
21.9
Ω
Normal
(1)-(5)
White-Red
150
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
1
2
2
4
4
Orange
Black
Gray
Relay connector
Protector
1
2
3
4
5
6
LEV
White
Yellow
Orange
Blue
Red
Brown
CN60
Parts name Check points
4
1
4
4
2
2
1
Black
Blue
Red
Gray
Yellow
Yellow
Yellow
Gray
Orange
White
Relay connector
Protector
Gray
C
PDFY
- 10~32NMU-A
PDFY
- 40,48NMU-A
Motor terminal
or
Relay connector
Normal
Abnormal
Open or short
Measure the resistance between the terminals using a tester. (at
7 TROUBLE SHOOTING
7-1. How to check the parts