A fan that won t run is often caused by a failed motor or a bad thermostat.
How to control dc attic fan by digital thermostat.
This is when the attic fan will kick in and start removing the hot air.
This can be a factory preset or set by the homeowner.
An internal thermostat activates the fan when a set temperature is reached.
Shut off the power to the fan at the main service panel.
Switch off the power of the attic fan and remove the power cord.
It turns the attic fan on when it reaches a certain temperature ranging from 90 degrees f to 120 degrees f.
You now need to set the temperature for the attic fan thermostat switch.
How to test an attic fan motor and thermostat.
Installation of an attic fan requires that you provide power to the fan motor.
Installing a thermostat on the attic fan is a simple job that helps you make efficient use of electricity.
Note down the temperature settings for later reference.
Locate the thermostat casing and open it using a screwdriver.
To do this screw the thermostat cover in place and use your screwdriver to set the temperature at 105 degrees.
With the wiring in place the thermostat switch should work automatically.