Midea MRCT-075CWN1-D(C) Technical & Service Manual page 140

Midea R410A Tropical ClimaCreator Series Rooftop Package 220V 3Ph 60Hz
Wiring diagram with poor communication effect (not recommended because it may lead
to poor communication

System wiring diagram of centralized monitoring and indoor unit of air conditioner
Both of the following wiring modes of centralized monitor and indoor unit are applicable:
(Quantity of indoor units connected with each centralized monitor is less than or equal
to 64).
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MCAC-RTT6S-201701