Electric wiring

Installation procedure

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.

The wiring method of orbicular terminal

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 the terminal block, and then tighten screw. Pull the wire outwards slightly to confirm it is held tightly.

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 co- ver of the connection wire. As the right fi- gure shown:

Correct pressing

Wrong pressing

Terminal block

Wire holding clamp

(Sketch map)

Connect wire between indoor & outdoor unit

Remove the air inlet grille, open the electric box cover.

Pull out the front end of the connection wire.

Perform wiring according to the outdoor unit manual.

Press the wire properly according to the pressing method of connection wire.

Install the electric box cover and the air inlet grille properly.

Note:

When connecting the wire of indoor and outdoor unit, check the number on the indoor and outdoor terminal blocks, the same number uses one wire to connect. Incorrect wiring easily damage the controller of the air conditioner, or the unit cannot work normally.

Indoor terminal				Indoor terminal
block (A system)				block (B system)
	1	2	3		1	2	3
	1	2	3		1	2	3

L1 L2 L3 N A(L) A(N) A(C)		B(L) B(N) B(C)

Outdoor terminal block

Power supply 3N~, 380V-400V, 50Hz

AB422BCBAA specifications

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