Haier AU282FHAHA Service Manual page 34

9.1.1 Number setting dialing switch using method(wired remoted control type)
The dialing switch is on indoor unit PCB. The indoor unit number setting method is as follows:
stand for NO.1 indoor unit
Correspondence table between dialing switch and indoor unit numbers
(Note: Bit 4 is useless for setting indoor unit numbers)
Bit 1
0 0
1 0
0 1
1 1
0 0
1 0
0 1
1 1
After installation or addition of new indoor unit, it's necessary to set the unit numbers upon
initially electrified. For Ceiling concealed duct type indoor unit series,
number setting shall be completed with the unit number setting toggle switch on the indoor PC
board, see the indoor unit user's manual for setting method. For wall-mounted models series,
Cabinet series, Cassette series, Convertible series, unit number setting shall be conducted by
installation technicians with the special unit number setting remote controller. (For new-developed
indoor unit,number setting method refers to the indoor unit user's manual .The detailed operation
procedure is as follows:
(The special remote controller for setting unit number shall be carried by Haier air
conditioner installation technicians.)
Commercial Air Conditioner
Bit 2 Bit 3 Bit 4
0
0
0
0
1
1
1
1
stand for NO.2 indoor unit
Indoor number
1
2
3
4
5
6
7
8
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Model: AU282FHAHA
OFF
the unit