Control Board Picture - Pioneer YH024GHFI18RT2 Technical & Service Manual

8. WIRING DIAGRAM

8.2 Control board picture

24K
Main control board
24
23
22
21
20
NO.
1 Compressor
2 DC fan
3 EE
4 Coil temperature sensor
5 Ambient temperature sensor
6 Discharge temperature sensor
7
Overheat protector
8 Electronic expansion valve
9 High pressure
10 SW
11 Computer/Checker
12
4-way valve
1
19
Description
4 5 6 7
2 3
18
NO.
13 Heater
14 Electric heating belt
15 SI
16 AC Power Lin
17 AC Power Nin
18 GND
Reactor L1
19
Reactor L2
20
Rectifier bridge
21
22 IGBT
23
Diode
24 IPM
26
8
9
10
11
12
13
14
15
16
17
Description