haier AB422BCBAA - Manual (Page 36)

(Sketch map)
34
Installation procedure
Electric wiring
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.
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:
The wiring method of orbicular terminal
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.
L1
1 2 3
Power supply
3N~, 380V-400V, 50Hz
Outdoor terminal block
Indoor terminal
block (A system)
1 2 3
Indoor terminal
block (B system)
B(C) B(N) B(L) A(C) A(N) A(L) L 2 L3 N
Correct pressing
Terminal block
Wire holding clamp
Wrong pressing