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Electrical Control Wiring
Power and Communication Wiring of Wired Controller
Bottom of wire
controller display board
Figure 17.
It is power and communication wiring diagram of wired controller above. Insert 2-core shielded
wire from main board CN17 into terminal CN1 of display board. Verify the power has been cut
off before installation and wiring. Check connection after completed to ensure good connection
and non short circuit.
1.
2.
3.
4.
5.
6.
7.
8.
Connecting of Indoor and Outdoor Unit Communication Wires
1.
2.
3.
4.
20
CN1
Power and communication wiring of wired controller
Warning
Only special fl exible cord can replace damaged power cord or signal wire.
Please review all parts voltage marked on the nameplate before wiring. See the wiring
diagram for wiring.
Air conditioning unit should use special power wires with leakage and air switches for
overloading
Air conditioning unit must be earthed to prevent damage caused by failure of insulation.
All wirings must use crimp terminal or single wire. Multi-stranded wire connects with the
terminal board directly may cause spark.
All wiring should comply with the wiring diagram. Improper wiring may lead to irregular
working or damage.
The cable can not touch movable parts, such as the connecting pipelines, compressor or
fan etc.
Do not change internal wiring freely. Manufacturer is not responsible for related damage or
irregular running.
Open the electrical appliance box cover.
Wiring (communication) passes through the rubber ring.
Insert wiring (communication) into 3-pin socket CN15 and CN16 of the indoor unit circuit
board.
Tie and fi x the wiring (communication) with cable tie.
Special 2-core
shielded wire
Main board
CN17
AMS-SVX02A-EN
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