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Service Manual
5.2 PCB Printed Diagram
Main Board for Indoor Unit
● Top view
1
2
3
4
5
6
7
8
9
10
11
12
13
● Bottom view
Technical Information
14
15
16
17
22
21
20
19
18
NO
Name
DC motor
1
2
High-pressure generator
3
Charged module
4
Left upper gate plate motor
5
Right upper gate plate motor
6
Protective tube
7
Up and down swing motor
8
Left lower gate plate motor
9
Right lower gate plate motor
Needle stand for connecting display
10
board
Needle stand of temperature sensor
11
12
Photoelectric switch 2
13
Photoelectric switch 1
14
Terminal of live wire
15
Terminal of live wire for ODU
Zero line control terminal for electric
16
heater
17
Terminal for communication with ODU
18
Needle stand for inching switch
Zero line input terminal for electric
19
heater
Live wire control terminal for electric
20
heater
21
Protective tube for electric heater
Live wire input terminal for electric
22
heater
11
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Troubleshooting
