If you have one of these you may have wired the fan and light to separate switches. Inside the box youll need to separate the wires to see which feed the fan and which feed the light.
Installing A Bath Vent Fan Better Homes Amp Gardens
How to wire a 3 function bath fan. Now youd like to operate both of them from the same switch. You will wire one of the black wires to one of those terminals the second black wire to the second terminal and the 3 black wire to the 3rd terminal. Red black white and ground. Combination light fan and heating units can be incredibly helpful in smaller bathrooms and similar areas in your home not served by heating vents. You have essentially created two separate circuits within the connection box. Run 3 conductor wire with a ground to the new fanlight.
Connect the black fan cable together with the black light wire and the black switch wire and cover them. The compact form and varied functions make them perfect for use with a three function switch box but youll need to be careful installing the system. The 3 load hot wires on the. Connect the white wires in the same way then repeat with the ground wires. If the light and fan are separate fixtures youre going to have to run a short length of wire through the attic. Connect the white wires the ground wires the black wires and the red wires together.
2 i dont want a 3 function switch i want one switch controlling the fan and light function simultaneously. 3 i need to have another light in the bathroom controlled by the same switch that controls the 2 fan functions. That detail greatly simplifies the electrical procedure youre about to undertake. The wires are already where you need them to be so you dont have to run new ones. The incoming or line hot wire on the common screw on the switch. I tried a few.
Using wire strippers peel an inch of insulation from the end of the black and white wires. All white wires will get wired together. The instruction manual gives no instructions for how to wire this other than using the 3 function switch. That was using 3 14 2 going to the new fan light. Bathroom exhaust fans with built in light fixtures are fairly common. On the other side of the switch you will have 3 terminals.
Also keep in mind that the junction box in the bath fan combo unit is typically small with just enough space for making up the lead wire connections with the wires from the switches so if the power was been extended up into the ceiling then you will most likely have to install an accessible junction box just for the power source then from there a 3 wire cable to the wall switch and another 3 wire cable to the combo unit.
Gallery of How To Wire A 3 Function Bath Fan
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