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Wired Controller Wiring Instruction
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/
ft)
Dimensions of wiring
< 100m/328ft
0.3mm
2
x3-core shielded
wire (22AWG,3wire)
≥100m/328ft and <200m/656ft
0.5mm
2
x3-core shielded
wire (20AWG,3wire)
≥200m/656ft and <300m/984ft
0.75mm
2
x3-core shielded
wire (18AWG,3wire)
≥300m/984ft and <400m/1312ft
1.25mm
2
x3-core shielded
wire (16AWG,3wire)
≥400m/1312ft and <500m/1640ft
2mm
2
x3-core shielded wire
(14AWG,3wire)
*One side of the shielded sheet of communication wire must
be earthed.
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