GMV DC Inverter VRF
47
4.8 External Electrical Wiring Diagram
Every unit should be equipped with a circuit breaker for short-circuit and overload
protection. In general, circuit breaker is at OFF status. During operation, all indoor units and
outdoor units belonging to the same system must be kept energized status. Otherwise, the unit
can’t operate normally.
4.8.1 External wiring diagram of a single unit
Fig. 4.8.1
Note: maximum number of IDU is based upon ODU capacity. For details, please refer to
the introduction of units’ combination.
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