Note down the temperature settings for later reference.
How to test attic ventilator thermostat.
Once done test that the motor still works by.
Moreover if you have asphalt shingles on the roof attic.
Note down the wiring before proceeding to remove it.
Also note down the power rating and the fan capacity in cubic feet per minute.
Step 2 test the thermostat.
Attic ventilator may be wired directly to power we advise that some type of shut.
Two possible ways of testing and adjusting a power attic ventilator.
This diagram shows how to by pass the thermostat to turn the ventilator on or.
Locate the thermostat casing and open it using a screwdriver.
Step 3 test the connection between the thermostat and the power source.
Step 1 test the fan motor.
Turn the attic fan off and unplug the motor from the thermostat.
It is very important to reduce the heat build up in the attic during the hot summer months.
How to test an attic fan motor.
Switch off the power of the attic fan and remove the power cord.