Appendix 1 Composition Of Electrical Control Box 99
Appendix 1 Composition Of Electrical Control Box
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2
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1318 19 20 21
24
A
20
21
A
处放大
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25
7
8
16
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A amplified
Figure 1 Internal composition of electric control box of one-bay series
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A
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0
A
处放大
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A amplified
Figure 2 Internal composition of electric control box of two-bay series
1: Compressor MCB
8: Control board MCB
15: Control board contactor
22: Main N terminal
2: Busbar
9: Fuse board
16: Condenser contactor
23: Main grounding terminal
3: Fan MCB
10: Control board
17: Humidification contactor
24: Fan contactor
4: Electric heater MCB
11: Field connection
terminal block
18: Electric heater contactor
25: Temp. & hum. sensor board
5: Infrared humidifier MCB
12: Isolation transformer
19: Fan over-current protector
6: Condenser MCB
13: Power transformer
20: Compressor contactor
7: Crankcase heater MCB
14: Crankcase heater
contactor
21: Main isolation switch
Note
The two-bay series with single system has only one compressor MCB and contactor.
Liebert.PEX2 Series Air Conditioner User Manual
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