Centralized Controller Wiring Diagram - Midea CCM-180A/WS Service Manual

1
3.1.5 Press the upper part of the centralized controller into the back cover, so it gives a click sound , as shown in Figure
6.

3.2 Centralized Controller Wiring Diagram

This centralized controller can connect to up to eight refrigerant systems and control up to 64 IDUs. Automatic addressing
needs to be set for the ODU main board according to the manual.
Connect the centralized controller to the XY terminal of the communication board of the ODU through the shielded wire
using the method shown in Figure 7(a).
Alternatively, connect the XY terminal of the centralized controller to the XY terminal of the first-generation AC/DC IDU, as
shown in Figure 7(b).
6.2-inch
201803
Figure 6
X,Y P,Q,E
X,Y
P,Q,E
X,Y
P,Q,E
Up to 8
refrigerant systems
Figure 7(a) Connecting the centralized controller to the ODU
P,Q,E P,Q,E
P,Q,E P,Q,E
P,Q,E P,Q,E
CCM-180A/WS
Up to 64
indoor units
7