This issue can happen on any type of attic fan as it is caused by the fan blades being bent dented or broken.
Us sunlight attic fan failure.
It also tells you if the fan is running on solar or house power.
Unplug the 2 wire leads red and black from the motor.
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You will not need the thermal switch and it can be discarded.
At night when running on house power it will tell you if fan is off or on or intermittent.
Ventilate hot air from your attic and cool your house.
To install the thermal switch remove the black lead from the fan motor and attach it to the thermal switch.
In fact our solar attic fans can endure a structural load of over 150 psf pounds per square foot here is a quick comparison to a typical hurricane with the estimated wind load.
In this case shut off the power to the fan and check the blades.
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Two aaa batteries run the remote and the remote tells you the temperature humidity in the attic.
The solar controller and remote controller will work when solar is available and the control box will monitor the humidity and temperature of the attic as well as the status of the fan.
Fig 7 the controller box will be replacing the function of this switch.
Solar attic fans accessories.
When there is no sunlight available to power the fan and the solar controller has the optional house power connection enabled the solar controller will cycle house electricity for 15 on 15 minutes off every half hour in order to power the fan.
In order to run the fan after the sun goes down you will need to connect the control box to house power.
The addition of the solar controller with dual mode technology will enable your solar powered attic fan to run after sunset or when there is no light available from the sun.
If you notice that the ventilation from the attic fan is not flowing as well as it should be there might be a blade caught somewhere.
Standard installations can typically be completed in a single afternoon.
The thermal switch will shut down the fan when the temperature drops below approximately 65 f and turn the fan back on when the attic temperature rises to approximately 80 f.
Sunlight solar powered attic fans skylight tubes and accessories are specially tailored for the do it yourself er.
Installing a radiant barrier in the attic alternative method to insulate the attic duration.