HRV/FURNACE WIRING

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Fartsac

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Hello,
I would like my furnace fan to activate when I choose MAX on the the wall control board or when I activate the ligh touch push button switch in the bathroom.
My equipment:
Venmar Constructo #43110
Lennox EL296UHE
My set up:
Relay Wiring.png
 

Fitter30

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1&3 coil
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Don't know what a wall control is but would need two relay one for each devise light & wall control. PROBLEM
if furnace has a multi speed blower heat runs at a lower speed than ac to make this work without frying the blower motor both heat and ac have to run on the same high speed and might have a cold draft in heat if heat is satisfied and fan is running.
Relay looks correct wire both relays in parallel.If
Correct voltage relay coils.
Why not put the hrv on a timer or indoor air quality control.
 
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