Midea ATOM B Series - Page 37

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