D.C. Inverter Multi VRF Modular
45
Fig.54
4.8 External Electrical Wiring Diagram
Each unit should be equipped with a circuit breaker for short circuit protection and exceptional
overload protection. Besides, a main circuit breaker shall be prepared for IDUs and ODUs in order
to connect or disconnect power of the entire system.
4.8.1 External wiring diagram of a single unit