GMV DC Inverter VRF
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4.9 External Electrical Wiring Diagram
(1) Every unit should be equipped with a circuit breaker for short-circuit and overload protection. In general, circuit
breaker is at OFF status.
(2) 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.
4.9.1 External wiring diagram of a single unit
Fig.59
NOTICE! Maximum number of IDU is based upon ODU capacity. For details, please refer to
the introduction of units’ combination.
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