Service and Parts Manual (2019, 2020, 2021, 2022)
124 PB
COMPONENTS TESTING
24-36k Ducted units and 9-36k Cassettes Control Board
1 2 3 4 5
7
6
8
10
9
12
11
15
16
17
14 13
NO. NO.Description Description
1  10 AC Power Filter  
Wired Controller  
2  11  Main  C ontrol C omponent  C ode  
Electric Heater  
3  12 DC  Motor 
Step Motor  
4  13 Pump  Motor 
Temp. Sensor  
5  14 Swing  Motor 
Out Input  
6  15 
MCU 
Water Level Switch  
7  EE  16 
Switching Power  S upply 
8  17 Display  
9 
Communication with outdoor unit  
Wi-Fi 
Figure 604










