Service and Parts Manual (2019, 2020, 2021, 2022)

125 PB
COMPONENTS TESTING
9-12k Outdoor Unit Control Board
NO. NO.Description Description
1 EE 11
SI
2 Overheat S witch 12
SI-N
3 13
Ambient Temperatur e Sensor
AC IN-L
4 14
Coil Temperatur e Sensor
AC IN-N
5 15
Discharge Temperatur e Sensor
Re actor L1
6 16
Electric expansio n Valve
Re actor L2
7
Checker/Computer
17
Co mpressor U
8
4-W ay Valve
18
Co mpressor V
9
Heater (L/N)
19
Co mpressor W
10
Heating Belt
1 2 3 4
5 6
7
9
14
8
13
10
12
11
19
18
17
16
15
Figure 605