Yuba wiring three-way switch four-wire-Baidu

Referring to the schematic diagram of the switch, after finding out the live wire, connect to the L hole (public wiring hole) of the switch, find out the lamp heating 1 and 2, connect to L 1 and L2 respectively, find out the ventilation, connect to L3, find out the lighting and connect to L4.

Or do this. After the fire line is connected to the public wiring hole of the switch, try it one by one. When it is lit, connect which switch accordingly, and pay attention to road safety.

Yuba's power supply wiring must use waterproof wires and be multi-wire copper core wires not less than1mm. These power supply wiring cannot be provided with open wires, and plastic concealed pipes must be embedded in the wall. The power control switch must be a qualified product with waterproof ability 10A.

Yuba should be installed in the middle of the top of the bathroom, and it is absolutely forbidden to spray water when working, otherwise it may cause short circuit of power supply. If you open and close the bathroom frequently, it will affect its service life, and keeping the bathroom clean and dry can improve its service life.

Extended data:

Precautions:

1, bulb series Yuba: A special infrared timely heating bulb is used as the heat source to directly radiate and heat the indoor air, and a wide range of heating effects can be obtained instantly without preheating. Its functions are heating, ventilation and lighting. Heating adopts two to four 275W hard-response explosion-proof bulbs, which has strong light gathering effect. As soon as the light is turned on, it can be heated without preheating, which is very suitable for people with fast pace of life.

2.PTC (a kind of ceramic electric heating element) series Yuba: PTC ceramic heating element is used as the heat source, which has the advantages of fast temperature rise, high thermal efficiency, no light emission, no open flame and long service life. At the same time, it has double safety functions, which is very safe and reliable.