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4.Electronic control box connection operation method
First, remove the screw of the xed electric control box, pull out the electric control box, and then remove the electric control
box cover xing 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 x.
Cover
screw
The electric
control box cover
fastening
Two screws for xing box
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
■ 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 specications should be calculated. Indoor & outdoor units should be
equipped with the power leakage breaker and the overow breaker.
Supply Wiring Drawing
Outdoor 1 Outdoor 2 Outdoor 3
Indoor 1 Indoor 2 Indoor 3
Supply: 3N~,380-400V,50/60Hz
Supply: 1PH,220-230V~,50/60Hz Supply: 1PH,220-230V~,50/60Hz Supply: 1PH,220-230V~,50/60Hz
Supply: 3N~,380-400V,50/60Hz Supply: 3N~,380-400V,50/60Hz
Circuit Breaker Circuit Breaker Circuit Breaker
Circuit Breaker
Circuit BreakerCircuit Breaker
Ground Fault Interruptor Ground Fault Interruptor Ground Fault Interruptor
Ground Fault
Interruptor
Ground Fault InterruptorGround Fault Interruptor