Attic Fan Shutter Not Opening

Little or no airflow.

Attic fan shutter not opening.

Rough opening width in 0 in 1 0 3 10 5 in 2 10 5 1 12 in 1 12 5 2 12 11 13 in 4 14 in 5 14 5 in. Rough opening is 16 in. Shutters are spring loaded to automatically close when the fan turns off. Iliving 3368 cfm silver electric powered gable mount shutter fan vent model ilg8sf20v 184 39.

Remove the outer casing of the attic fan and check to see if the belt is sagging cracked worn or broken. The air pressure in the attic increases and the shutter rattles. Another option is to spray foam on the roofline. Louvers open outside when gable fan is running.

The remington solar ventilation attic fan is completely the remington solar ventilation attic fan is completely powered by. Chc installs whole house fan systems. How to troubleshoot attic fans with shutters that won t open the fan. A fan that won t run is often caused by a failed motor or a bad thermostat.

If there is any damage to the belt replace it with a new one. Each exhaust shutter features durable galvanized steel aluminum or fiberglass frame construction with moisture and corrosion resistant stainless steel fasteners. These gravity operated exhaust shutters can be used with direct or belt driven exhaust fans and can help prevent air backflow when the fan is off. The attic does not have enough opening ventilation to exit the attic.

You should have as much attic ventilation that equals the size of the shutter hole in the ceiling. If the attic fan isn t turning on it could be an electrical issue a problem with the thermostat or the motor of the fan that s not working. Check the breaker to the fan and make sure it is. It ll be more expensive and you ll need to think about a ventilation plan for the houseas well as treating the attic air to prevent moisture from collecting in the foam.

How to test an attic fan motor and thermostat. If the shutter does not quiet down then you have a cheap shutter. When the whole house fan turns on the louvers on the shutter automatically open. Louvers close when gable fan shuts off.

Dimension 19 5 x 18 x 2 in. If the motor is working but the fan blades are not moving the problem may be the belt. Electrical issue your attic fan may not be turning on because of an electrical problem like a tripped circuit breaker a blown fuse or a bad connection. Check the fan and make sure it is functioning properly.

Item weight 2 7 lbs. To be used with model s 53315 53316 53319 53320. Made of plastic to prevent rust. Add more attic ventilation.