Install wire to the fan from the switch box.
How to wire a roof fan.
Use the voltage meter by.
Screwing the flange down will secure the attic fan to your roof.
Strip away about 3 4 inch of the insulation and use a wire nut to connect all the white wires.
Step 1 mount the vent as close to the center of the house as possible.
Test the wires in the junction box to determine if it contains a continuous circuit.
Attic lights ceiling lights and attic junction boxes are.
There should be two screw holes located on the bottom corners of the fan s flange.
Attach the black wire to the top brass screw on the switch.
Make sure the bottom edge of the flange is squared with the shingles before you screw it down.
Mount it as near to the roof ridge without it being visible from the front of the house.
Bring the cable through one of the studs supporting the fan and strip about 8 in.
The ground wire will need to be ran to a bare metal surface and the power wire will need to be ran directly to the battery it does not go to a thermostat as the controls for the unit are on the bottom.
Attach a box connector to the cable and feed the wires into the thermostat box.
Then run the wiring to your attic fan strip another 8 inches at that end and connect the wire to the thermostat.
Then wrap the green wire around the grounding screw inside the thermostat box.
Of insulation from the end.
Connect the white wires neutral wires from your fan and ceiling together.
Attach the ground wire to the ground screw on the switch.
Turn off the power to the circuit.
Connect the black wires together.
Locate an existing circuit close to the fan s location.
Connect the green wire to your household ground wire copper bare wire.
How to wire a attic fan 1.
At the switch connect the white wires together.