Shenzhen Envicool Technology Co., Ltd.
Figure 2-32 Wiring diagram of temperature and humidity sensor
2.6.5.7 Indoor unit communication
The outdoor unit can communicate with the indoor unit through the RS485 interface. It
is recommended to use twisted-pair shielded cables for communication cables with a
cable diameter of 2×0.5 mm2. The wiring diagram is shown in Figure 2-33.
Figure 2-23 Schematic diagram of indoor unit communication wiring
2.6.5.8 Communication and control of cryogenic components (optional)
The solenoid valve control line of the cryogenic component is connected from the
indoor X3/X4 terminal; the wiring diagram is shown in 2-24.
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