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Installation Manual For Wire Controller
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 wired controllers are all connected through 3 pieces of polar wire.
3. Communication wiring:
The wired 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 wired controller
respectively.
The communication wiring is 4 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
00 and <400
400 and <600
*One side of the shielded sheet of communication wire must be earthed.
Note:
The wired controller must be used with cooperation with indoor unit. When wired control type is selected,
the function of indoor unit must be adjusted (after power cut off).
The indoor PCB(0010451167) is matched with this wired controller (0010451521)which can be set
according to below table:
J1 Remote control
J2 In heating mode, with temperature compensation
J4 Heat pump
J7 Sychronous motor swing
J9 Master unit
When the wired controller controls several indoor units, there is only one Master unit, and other can
be set as Slave unit.
Dimensions of wiring
Connected
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
2
2mm
x3-core shielded wire
Cut off
Wired control
Without temperature compensation
Cooly only
Stepping motor swing
Slave unit
10
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