Full Product Manual

8.�WIRING DIAGRAM
8.2 Control board picture
NO. Description NO. Description
1 Compressor 14 Heater
2 DC Fan 15
SI
3 EE 16
AC Power Lin
4 Coil Temperature Sensor 17
AC Power Nin
5 Ambient Temperature Sensor 18
GND
6 Discharge Temperature Sensor 19
Reactor L2
7
Overheat Protector
20
Reactor L1
8 Electronic Expansion Valve 21
Rectifier Bridge
9 High Pressure 22
IGBT
10 SW 23
Diode
11 Computer/Checker
24
IPM
12
4-way Valve 25
Radiator
13 Electric Heating Belt
24K/36K
Main control board
23
24
25
26
1
2
21
3
20
4
5
6
7
8
19
9
10
11
15
16
12
13
17
18
14
22
Communication Signal
26
29