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Indoor Unit Pcb; Wired Controller - Haier AD90S2SM3FA Operation Manual And Installation Manual

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Installation Manual For Wire Controller
5. Wiring connections of wire controller:
There are three methods to connection wire controller and the indoor units:
A.One wired controller can control max. up to 16 sets of indoor units, and 3 pieces of polar wire must connect the wire
controller and the master unit (the indoor unit connected with wire controller directly), the others connect with the master
unit through 2 pieces of polar wire
B. One wire controller controls one indoor unit, and the indoor unit connects with the wire controller through 3 pieces of
polar wire.
C. Two wired controllers control one indoor unit. The wire controller connected with indoor unit is called master one, the
other is called slave one. Master wire controller and indoor unit; master and slave wire controllers are all connected
through 3 pieces of polar wire.
6. Communication wiring:
The wire controller is equipped with special communication wiring in the accessories. 3-core terminal (1-white 2-yellow 3-
red) is connected with the terminal A, B, C of wire controller respectively.
The communication wiring is 5 meter long; if the actual length is more than it, please distribute wiring according to below
table:
Communication wiring length(m)
< 100
100 and <200
200 and <300
300 and <400
400 and <600
WIRED CONTROLLER& INDOOR PCB CONNECTION(one for one wiring type):
.

INDOOR UNIT PCB

CN22
Note:When do the wired controller & indoor PCB wiring work ,do not connect the shielded wired to the
unit's shell,do not parallel wiring with strong electric lines within 0.3 meters, please keep strong lines and the
signal lines separately.
Dimensions of wiring
2
0.3mm
x3-core shielded wire
2
0.5mm
x3-core shielded wire
2
0.75mm
x3-core shielded wire
2
1.25mm
x3-core shielded wire
2mm
2
x3-core shielded wire
A
B
C
WIRED
CONTROLLER
A
B
CON1
C
7

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