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2. Do not connect the power line with different dimensions to the same grounding wire end.
Improper contact will affect protection.
3. Keep a proper distance between the communication wire and the power line. Otherwise,
abnormal communication will occur because of disturbance.
4. Do not connect the power line to the connecting end of communication wire. Incorrect
connection will cause damage of connected unit.
5.The communication wire must be shielding
8.13 Unit address number setting
In order to centrally control MRV air conditioner system, it needs to make unit number setting to indoor
units and outdoor unit (control address).
wire.
Wiring example diagram:
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Troubleshooting
