Electrical Wiring
4.Electronic control box connection operation method
First, remove the screw of the fixed electric control box, pull out the electric control box, and then remove the electric control box
cover fixing screw, take off the electric control box cover (both hands press and hold the button at the same time). Signal line
through the machine through the hole, and then through the electronic control box hole into the box body, pay attention to the
separation of strength. Connect the electric control box cover and push the electric control box back to the machine. Use screws to
fix.
Two screws for fixing box
Supply Wiring Drawing
Outdoor 1
Ground Fault Interruptor
Circuit Breaker
Supply: 3N~,380-400V,50/60Hz
Indoor 1
Ground Fault Interruptor
Circuit Breaker
Supply: 1PH,220-230V~,50/60Hz
• Indoor units and outdoor units should be connected to the power source separately. Indoor units must share one single
electrical source, but its capacity and specifications should be calculated. Indoor & outdoor units should be equipped
with the power leakage breaker and the overflow breaker.
Cover
screw
The electric
control box cover
fastening
Outdoor 2
Supply: 3N~,380-400V,50/60Hz
Indoor 2
Supply: 1PH,220-230V~,50/60Hz
Ground Fault Interruptor
Circuit Breaker
Ground Fault Interruptor
Circuit Breaker
16
Power cord (as shown in
the line through the clamp
and press)
Communication line
(as shown in the line
through the clamp and
press)
Weak current
Strong electricity
Outdoor 3
Ground Fault Interruptor
Circuit Breaker
Supply: 3N~,380-400V,50/60Hz
Indoor 3
Ground Fault Interruptor
Circuit Breaker
Supply: 1PH,220-230V~,50/60Hz