Service Manual
Technical Information
14
5.2 PCB Printed Diagram
5.2.1 Silk screen on main board
● TOP VIEW
● BOTTOM VIEW
Main board
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
1
Input of live wire
2
fuse
3
12V power input
4
buzzer
5
Interface of
display board
6
Tube
temperature
sensor
7
Ambient
t e m p e r a t u r e
sensor
8
Outdoor tube
temperature
sensor
9
swing
10 4-way valve
11 Fan (high speed) 12
Fan (medium
speed)
13 Fan (low speed)
14
Neutral
wire
15
Power input of
power board
