Fuse 
3Interface of netural wire 
4
43
Interface of live wire
5
5
Needle stand for indoor fan
6
6
Needle stand of simulation port
7
7
Live wire terminal of E-heater1
8
8
Fuse of E-heater1
9
9
Live wire terminal of E-heater2
10
10 11
12
13
14
1516
17
1819
Fuse of E-heater2
11
Live wire terminal of E-heater3
12
Fuse of E-heater3
13
Needle stand connected with 
drive board of DC motor 
14
Interface of temperature sensor 
15
up&down swing interface
16
Left&right swing interface
17
RS485 Communication interface 
18
connection with display board
19
Needle stand of  fast-detection port 
● 
● 
Top view
Bottom view
1
48/55K