Back Wiring - Midea CCM-270A/WS Service Manual

1 CCM-270A/WS

3.2 Back Wiring

The CCM-270A/WS has six M-net ports, one LAN port, one USB extension port and six reserved I/O ports. It can connect to
Midea CAC system through the M-net ports and connect to the local area network or internet through the LAN port. You
may also use a browser on a computer or other similar devices to access the CCM-270A/WS website to monitor the VRF
units or you can simply use the 10.1 inch touch screen interface of the CCM-270A/WS.
Important Points
1. The CCM-270A/WS must be installed at one end of the M-net communication bus. Do not install it in the middle of the
bus.
2. It needs a three-core shielded cable of AWG 20-22 for the communication wires.
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