Bathroom Timer Fan Wiring Diagram. Locate the switch cable which must be glued through the top or side of the box that serves the fan or the light. The htp model incorporates an adjustable ambient response humidistat.
Fan select bathutillity high speed or toilet low speed using the selector switch mins timer adjuster. Diagrams and help on uk electrical wiring. By margaret byrd december 29 2018.
The fan can either be operated from a separate pullcord switch fitted to the ceiling of the room or can be connected to the light switch so that the fan will start when the light is switched on.
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. 3 as shown in diagram t1 below. Diagram showing wiring method for a timed fan d earth connection to all unitsthis wire should be sleeved in a greenyellow earth sleeve c neutral connection. A clear wiring diagram showing how to connect up a timed fan and install a firstly the supply from the 3 pole isolator switch should be connected in to thewiring of new bathroom extractor fan.