Power Distribution; Power Distribution Logic; Introduction To Main Electric Elements - Gree LSQWRF35VM/NaA-M Service Manual

4.3 Power distribution

4.3.1 Power distribution logic

380V AC 3Ph
Protection conditions: phase loss or reversal of the power input for the phase protector.
Action result: No power for the controller and ON/OFF operation is failed.
Handling: interchange the wiring sequence and check if the voltage of the 3-phase power supply is
normal.

4.3.2 Introduction to main electric elements

Image
Test Operation, Troubleshooting and Maintenance
3Ph
Main board
Name
Phase loss/reversal protector
Intermediate relay
It is used to check if the phase
sequence of the power supply is
correct or if there is power loss.
It is used for the running and
fault indicators.
74
3Ph
Description