Midea ATOM B Series Service Manual page 37

Atom B Series VRF 50/60Hz
Figure 5-2.2: 36/42/48/56 model outdoor unit main board ports
5
Table 5-2.2: 36/42/48/56 model outdoor unit main board ports
Label in
Code
Figure 5-1.2
1 CN27
2 CN5
3 CN13
4 CN1
5 CN2
6 UVW
7 CN32
36
2
4
3 1
Content
R T
communication port
Main board 5V power
communication port between main board
and module board
Four way valve
AC power input
AC power input
Compressor connection
DC fan port
0-5V DC
supply port;
5V DC and 0~5V DC
0V or 220-240V AC
L, 220-240V AC
N, 220-240V AC
V = V = V
UV Uw
0-380VAC
300-350V DC
6
3
Port voltage
VW
7
3