YMGI
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Your Modern Green Idea
52
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.
External wiring diagram of a single unit
Fig.55
The maximum number of IDU is based upon ODU capacity. For details, please refer to the introduction of unit
combinations.
