Full Product Manual

8.WIRING DIAGRAM
48K/60K
Main control board
20
19
18
17
16
15
14
13
12 11
10 9
7
6
5
4
3
2
1
8
NO.
Description NO. Description
1 DC Fan Driver1
11
Checker
2 DC Fan Driver2
12
EEPROM
3 IPM-SI
13
PTC Control Signal
4 Defrost /Coil Temperature Sensor
14
H Signal
5 Pressure Sensor
15
Communication Signal
6 Discharge Temperature Sensor
16
Electric Heating Belt
7 Ambient Temperature Sensor
17
Electric Heating Belt
8 High Pressure Switch
18
4-way Valve
9 Low Pressure Switch
19
Base Heater
10 Electronic Expansion Valve
20
AC Power
31
S4
S5
S1
S2
S
3