| Installation procedure | Electric wiring | |
|
|
|
|
Note:
All the wires should be copper core wires.
The power cable of indoor unit should be equipped according to the operation manual of indoor unit. Before finishing vacuumizing the refrigerant pipe system, do not supply power to indoor unit.
When connecting the indoor & outdoor wire, check the number of the indoor & outdoor terminals, the terminals with the same number connected together with same one wire.
Incorrect wiring will damage the controller of the air conditioner or make the unit work abnormally. The air conditioner must use special power circuit and special air switch (40A), groundign wire. The wiring work should be done by a qualified electrician according to the national wiring rule.
The creepage breaker must be installed. The grounding line and the null line of the receptacle must be strictly separated. It is incorrect to connect the null line with the grounding line.
The connection type of power cord is Y connection. If the soft power cord is damaged, to avoid risk, it must be replaced by the manufacturer or their specific repair department or similar professional worker.
Wiring method
1.The wiring method of orbicular terminal
For the connection wire which end is orbicular terminal, its wiring method is as the right figure shown. Dismantle the screw and put it through the ring at the end of the connection wire, then connect it to the terminal block and tighten the screw.
2.The wiring method of straight terminal
For those connection wires whose end are not orbicular terminals, their wiring method is:Loosen the connecting screw, insert the end of the wire directly into theterminal block, and then tighten screw. Pull the wire outwards slightly to confirm it is held tightly.
The wiring method of orbicular terminal
Correct pressing | Wrong pressing |
| |
| Terminal block |
Wireholdingclamp
(Sketch map)
3.Pressing method of connection wire:
After wiring, the connection wire must be pressed with wire holding clamp. The wire holding clamp should press on the out cover of the connection wire. As the right figure shown:
The indoor and outdoor unit shall respectively use special power circuit.
The indoor units connected with the same outdoor unit, its creepage breaker and switch shall be connected to the same power circuit.
The communication wire of indoor and outdoor unit is
The indoor and outdoor unit shall respectively use special power circuit.
1 2 3 4
P PP P
Q QQ Q
24 | Outdoor unit 1PH, 220V~,50Hz |
|
OK | NO |
