Pioneer YH024GHFI18RT2 Technical & Service Manual page 34

8. WIRING DIAGRAM
60K
Main control board
19
18
17
16
15
NO.
DC Fan Driver1
1
2 DC Fan Driver2
3 IPM-SI
Defrost /Coil Temperature Sensor
4
Pressure Sensor
5
6 Discharge Temperature Sensor
7 Ambient Temperature Sensor
High Pressure Switch
8
9
Low Pressure Switch
10 Electronic expansion valve
14
Description
13
12 11
NO.
11 Computer/Checker
12 EEPROM
13 PTC Control Signal
14 Communication signal
15 Electric Heating Belt
16 Electric Heating Belt
17 4-Way Valve
18 Base heater
19
AC Power
30
10 9
Description
1
2
3
4
5
6
7
8