314 423 0585 products usw 1 series usw 2 series overview the thermal cutoffs tco are non resetting thermally sensitive single pole normally closed devices and are intended to be used in various appliances a temperature sensitive thermal fuse melts and opens.
Attic eve fan 3a fuse.
Took the panel off and the fuse was blown again.
Thermal cutoff fuses u s.
So i replaced the fuse put the panel back on and it didn t turn on.
Attic fans and windows should be at least thirty feet apart.
When an attic fan isn t getting enough air it sometimes will begin to rattle or shake.
With an attic fan you can cool the attic to the same temperature as it is outside greatly reducing the house from heating as quickly.
I did some researching and found out it was the 3a fuse.
So i went and checked the fuse.
6 amp mcb and 3 amp fuse will do battle to see which would go first so probable waste of time anyway if you insist on using a light to operate a fan i personally never eve r do so then what you could do is use the switched fused spur to supply the light and your 3 pole islostor for the fan off the light as you descibed.
So a few months ago my ac wouldn t kick on nor the fan or furnace.
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.
Well tonight randomly the ac shut off.
During the summer an attic can be 40 to 50 hotter than the outside temperature which in turn heats up the house very quickly.
And it was blown.
314 423 7550 usw series fax.
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.