Midea V6-i Series Manual page 109

V6-i VRF 50Hz
Notes for installers
The communication wires should be connected to the outdoor unit terminals indicated in Figure 3-8.4 and Table 3-8.1.
Caution
 Communication wiring has polarity. Care should be taken to connect the poles correctly.
Figure 3-8.4: Outdoor unit communication terminals
8.4 Wiring example
Figure 3-8.5: System power and communication wiring example
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Table 3-8.1: Communication connections
Terminals
K1 K2 E Connect to outdoor unit monitor
O A E Connect to digital energy meter
X Y E Connect to indoor unit centralized controller
P Q E Connect between indoor units and master outdoor unit
Connection