Fitting Bathroom Extractor Fan With Timer

Use some decorator s caulk to fill in any gaps between the fan and wall.

Fitting bathroom extractor fan with timer.

Extractor fans with an integral timer or timed switch need a 3 core and earth supply to allow the unit to run on after a light is switched off. How to replace a wall extractor fan. Fit the aluminium ducting and fan according to the manufacturer s instructions and then seal around the fan ducting with cement and sand on the exterior wall and filler or plaster on the interior wall. Open up the electrical splice box from either the attic or the bathroom depending on the model and pull out the fan wires.

It will typically start operating when the light is switched on but then continue to run for a pre set time after the light is turned off. For the fan to operate a normal time delay unit with humidity over ride i e. When connected with a switch live coming from the light switch into the fan. Thus clearing the air in the room.

Attach the electrical wires to the fan wires by twisting same color wires together white to white and black or red to black and attaching a wire connector. Xpelair dx100t has timer settings and a humidity sensor that powers on the fan to regulate the amount of warm air in the bathroom. It must also be possible to isolate the fan by means of a pull switch inside the bathroom or a fan isolation 3 pole switch outside of the bathroom. Fans with a timer this type of fan is very common.

It efficiently extracts moisture from bathrooms or kitchens almost without noise.