Haier 1UH071N1ERG [232/238] Smart power

Haier 1UH071N1ERG [232/238] Smart power
230
Smart Power
B
A
A
B
B
C
C
Indoor 1
Polar wire
Wire controller
Wire controller
A
A A A A A
A
B B B B B
B
C C C C C
C
Indoor 1 Indoor 2 Indoor N Indoor 15 Indoor 16
(master unit)
Wire controller Wire controller Wire controller Wire controller Wire controller
Wire controller
Control wiring of wire
controller, polar.
A
A A
B
B B
C
C C
Polar wire
Polar wire
Indoor 1
Wire controller Wire controller
Wire controller
C
7.2
Wired Controller Wiring Instruction
Wiring Connections of Wire Controller
There are three methods to connect wired controller with 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 wired controller connected with indoor unit is called master
one, the other is called slave one. Master wired controller and indoor unit; master and slave wire controllers are
all connected through 3 pieces of polar wire.
Communication wiring
Communication wiring length
(m)
Dimensions of wiring
< 100 0.3mm
2
x3-core shielded wire
≥100 and <200 0.5mm
2
x3-core shielded wire
≥200 and <300 0.75mm
2
x3-core shielded wire
≥300 and <400 1.25mm
2
x3-core shielded wire
≥400 and <500 2mm
2
x3-core shielded wire
*One side of the shielded sheet of communication wire must be earthed.
1. First, put communication wire through the hole in the back cover.
Press this button to open the back cover
of the wired controller.

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