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Ultra Heat GMV Multi VRF
4.9 External Electrical Wiring Diagram
(1) Each unit should be equipped with a circuit breaker for short circuit protection and exceptional 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.48
WARNING
39
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