Simple Wiring Diagram For Bathroom Heater Fan Light

I want to replace this original set up with a newer all in one bathroom exhaust fan unit that has an exhaust fan with a light and heat functions all built in to one the one unit.

Wiring diagram for bathroom heater fan light. Connect all grounds together as always. I have a bathroom that has an exhaust fan with a light and heater which are all separate units. Wiring a combo exhaust fan unit electrical question.

Hook up the bath vent fan wiring by removing the electrical junction box cover. Diagram showing wiring method for a timed fan d earth connection to all units this wire should be sleeved in a green yellow earth sleeve c neutral connection. These three in one fixtures work best when wired to a three function switch box allowing for individual control of the unit s functions from a single point.

The wiring diagram below shows the wiring setup you need to connect your new timed fan to your existing light circuit ceiling rose so that when the ligh is turned on so is the fan. As a result these combo units can be complicated to install. For instance when a module is powered up and it also sends out a new signal of half the voltage in addition to the technician will not know this he d think he provides an issue as this individual would.

Combination light heater and fan units can be incredibly handy in smaller bathrooms and other home areas that lack heating and cooling vents. If you aren t familiar with home. Connect the blue light wire to the red wire in the 3 cable.

Next connect the house wires to the fan wires. Connect the black fan wire to the black wire in the 3 cable. Connect the red heat wire to the black wire in the 2 cable.