Midea V8 VRF Series

V8 VRF Indoor Units
11
Troubleshooting Guide
Table 1.6: voltage test instructions(continued)
Label in
Figure 1.3
Code
Content
Description
15
CN18
Communication Switch Board
17
CN25
Program burning port(indoor unit)
18
CN8
EEV drive port
Using other ports’ GND
23
CN99
After-sale Kit communication port
GND-1
5V
12V
GND -2
3.3V
GND
12V
GND
12V