Belt drive 2 speed whole house fan 110 volt

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timtom58

Member
Location
allen park mi.
Has anyone ever controled a 2 speed wholehouse fan with a tandom single pole/3-way, and a 12 hour timer? It seems doable, but im having a brain lapse.

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fireryan

Senior Member
Location
Minnesota
Has anyone ever controled a 2 speed wholehouse fan with a tandom single pole/3-way, and a 12 hour timer? It seems doable, but im having a brain lapse.

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What's the single pole switch controlling. You could use a 3 way switch to run the fan on either the switch or the timer
 

fireryan

Senior Member
Location
Minnesota
Your load would just come off of the common of the 3 way. Put your hot on one of the terminals and your timing circuit on the other terminal. So of the 3 way is in one position it would run all the time. If you switch it the other way it would just work off the timer. Be like a hand off auto switch without the off
 

infinity

Moderator
Staff member
Location
New Jersey
Occupation
Journeyman Electrician
I would feed the timer first then the 3-way switch. The timer will provide running time control and the three way will select the fan speed.
 
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