Fitting Bathroom Extractor Fan With Timer

When connected with a switch live coming from the light switch into the fan.

Fitting bathroom extractor fan with timer.

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. Use some decorator s caulk to fill in any gaps between the fan and wall. Thus clearing the air in the room. It efficiently extracts moisture from bathrooms or kitchens almost without noise.

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 is also easy to maintain and produces little sounds of about 16 decibels. However i then connected a perm live up into the loft and into the terminal block and it works on when i turn the light switch on the fan comes on when its off its off now here is the problem it s a timed extractor fan which is set to be on for 15 minutes however the timer is not kicking in for some reason. 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.

For the fan to operate a normal time delay unit with humidity over ride i e. 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. The fan will operate when the light is switched on and switch off after about 20 seconds to 20 minutes timer is pre set for the minimum. How to replace a wall extractor fan.

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.