Installation Of Power; Procedure For Installing The Power Cable; Power Cable Diameter And Circuit Breaker Selection; Odu - Gree GMV-S120WL/A-S Service Manual

12.2 Installation of Power

12.2.1 Procedure for installing the power cable

Step 1: Knock off the knockouts used for threading the external power cable, fit the threading
rubber ring to the hole, and thread the power cable through the hole. Connect L1, L2, L3, and N of
the power cable, and the grounding cable to L1, L2, L3, and N on the power terminal block and the
grounding screw next to the terminal block respectively.
Step 2: Fasten and fix the power cable with ties (support heads).
Step 3: Lay the power cable and communication cable for the ODU according to the following
figures:
Warning! Provide a threading rubber ring when threading a strong power cable or a
communication cable.

12.2.2 Power cable diameter and circuit breaker selection

Each unit shall be equipped with a circuit breaker for shortcircuit and abnormal overload
protection. IDUs and ODU shall be set with the main circuit breaker separately, for connecting or
cutting off the main power.

12.2.2.1 ODU

The circuit breaker and power cable diameter of ODU can refer to the following table:
GMV5 Home DC Inverter Multi VRF Units
176