23
Technical Information
Service Manual
1 2 3 4 5 6 7 8
9 10
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21
1 Terminal of expansion valve
2 G-MatrikII chip
3 Jumper cap
4 Terminal of temperature sensor
5 STM8S207 chip
6 Overload protection terminal of compressor
7 Low-pressure protection terminal
8 Low-pressure switch 1
9 High-pressure switch 2
10 Terminal of 4-way valve
(3)Model:GWHD(36)NK3BO GWHD(42)NK3BO
● Top view
● Bottom view
11 Communication interface between indoor unit
and outdoor unit
12 PTC resistance
13 Piezoresistor
14 DC fan terminal
15 Relay
16 Common-mode induction
17 Rectier
18 Electrolytic capacitor
19 IPM module
20 PFC module
21 Transformer
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