Bath heater wiring diagram three open switch four wire - Baidu

Referring to the switch schematic, after finding out the fire wire, access to the switch L hole (common junction hole), find out the light heating 1, 2, respectively, access to L1 and L2, find out the air exchange, access to L3, find out the lighting, access to L4.

Or do so, after the fire degree wire access switch common junction hole, one by one, one by one, try, which bright know that will be accessed accordingly to which switch, shall pay attention to the road safety.

Must use waterproof wire as the power supply wiring of the bathtub, and is not less than 1mm multi-filament copper wire, these power supply wiring can not be set up in the open line, are to go to the wall of the plastic culvert set in the wall, its power control switch needs to be waterproof more than 10A capacity of qualified products

The bathtub should be installed in the middle of the top of the bathroom, the work must never be sprayed with water, or it may cause a short circuit. Power short circuit. Frequent switching and vibration of the bath bomb will affect its service life, and keep the bathroom clean and dry can improve its service life.

Expanded information:

Note:

1, bulb series bath heater: special infrared quartz heating bulb as a heat source, through direct radiation heating of the indoor air, do not need to be warmed up, can be obtained in an instant in a wide range of warmth. The effect. Its function is heating, ventilation, lighting, using two or four 275W hard quartz explosion-proof bulb heating, the effect is concentrated and strong, a light can be warmed without preheating, very suitable for people with a fast pace of life.

2, PTC (a ceramic heating element) series bath heater: PTC ceramic heating element as a heat source, with fast heating, high thermal efficiency, non-glowing, no open flame, long service life, etc., and at the same time has a double insurance function, very safe and reliable.