Shenzhen Envicool Technology Co., Ltd.
Figure 2-28 Schematic diagram of the communication connection between the indoor unit and the
host computer
2.6.5.2 Unit-to-unit communication
It is recommended that the communication cables between the units use twisted-pair
shielded cables with a cable diameter not less than 2×0.5 mm2. The wiring diagram is
shown in Figure 2-29.
Figure 2-29 Schematic diagram of communication wiring between units
Through the remote switch interface, the user can control the operation of the
air-conditioning unit. When the output is closed, the unit is turned on, and when it is
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