How To Wire High Low Switch On A Attic Fan

So depending on which is energized you get either a high or low.

How to wire high low switch on a attic fan.

Here are 3 tips to help. In many instances the low and high speed coils share an external wire. These louvers are not energized but the aforementioned louvers in the 2nd floor ceiling open via an electrified switch that when energized with electric pulls the louvers open. Determine the fan switch location.

If you are trying to switch the speed on the roof mount cooler then you should use a cooler wall switch. Use wire nuts to connect the black wire from the 12 2 wire to the black or red wire in the attic fan the white wire to the white wire in the attic fan and the two ground wires. The line comes from the timer to the common of the three way switch. Install the switch box and switch.

The louvers in front of the fan located in the attic open by the wind generated by the fan i e. The process of wiring an attic fan involves the power source and switch location wiring connections to the switch and wiring connections to the fan. There should be 4 wires. High low common and ground going to the cooler.

The attic fan has 2 speeds. Additionally the low speed coil is typically supplied by a red wire while the high speed coil is fed by a black wire. At least some fans that use a high low switch use a 3 way switch. The dedicated cooler wall switch have 5 position that can operate the fan on hi and low and fan with pump on hi and low.

I d start by examining your high low switch to see how it works. Location of power supply and switch. Since you have to choose between the speeds using a two speed motor switch it s impossible for both coils to become energized simultaneously.