Service Manual
18
Technical Information
Outdoor unit
Current mutual-inductor L1
2
2
Current mutual-inductor L2
3
3
Terminal for outdoor tube 
temperature sensor
4
4
Terminal for outdoor ambient 
temperature sensor
5
5
Terminal for outdoor discharge 
temperature sensor 
6
6
Interface of high pressure switch
7
7
Interface of low pressure switch
8
8
Output terminal of transformer 
9
9
Input terminal of transformer 
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
Terminal of outdoor fan
Live wire 
Fuse
Neutral wire
Interface of electric heating belt 
of compressor 
Terminal for compressor
Interface of 4-way valve 
Terminal with indoor unit 
communication wire