Nest 2.0 with Aprilaire 560 and Luxaire F2FP048N06G

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Old 10-28-12, 03:01 PM
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Nest 2.0 with Aprilaire 560 and Luxaire F2FP048N06G

Hi,

I'm looking to replace my now defective humidity controller with a Nest 2.0 and would like to get advice on how to add it to my system. Could I get a wiring diagram and relay # to add the Nest controller?

The furnace is a Luxaire F2FP048N06G and humidifier is an Aprilaire 560.

Thanks!

Stéphane
 
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Old 10-28-12, 03:29 PM
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your furnace is an air handler.... DO you have a heatpump system or simply electric strip heat? Do you have an extra wire in the wall to allow for a humidifier to be wired up?
 
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Old 10-28-12, 03:41 PM
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This is close to your setup unless you have a heat pump system. The difference is your Air Handler is 240V instead of 110.
 
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Old 10-28-12, 06:00 PM
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Hi,

Yes, my furnace is an air handler, sorry for the confusion. Heating comes from electric strips. Out of my wall comes 2 wires with ~24V as tested with my multimeter.
 
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Old 10-28-12, 06:03 PM
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you only have 2 wires coming out of the wall? You will need to add more wires for the stat to control humidity and I suggest adding a wire for C as well.
 
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Old 10-28-12, 06:48 PM
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Sorry, I did not gave a good explanation of my actual setup.

What I meant is that for the previous humidity controller that is now faulty had 2 wires but the thermostat that I'm using has G, Y O/B and RC wires.

As the humidifier was installed a year after the house was built, the contractor installed a humidity controller instead of replacing the existing thermostat with a model that would support the newly installed humidifier.

The 2 wires were connected to the humidity controller are connected to the G and C.

See picture.

Thanks again,

Stéphane

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Old 10-28-12, 07:01 PM
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I hope that the 2 wires connected to the old stat did not go to C and G.........as you stated..... are you sure?!

Follow the diagram as I posted, however, note that the 110V is 240V in your system
 
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Old 10-28-12, 07:02 PM
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YOu're saying the wire is tied to C and G on the air handler, not going to the humidifier itself??
 
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Old 10-29-12, 06:50 AM
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I not only gave a wrong explanation but also posted a picture not depecting reality.

Sorry, I will fix this tonight to avoid leading others into confusion.

So the C goes from the air handler to one end of the Solenoid. The G goes from the air handler to the wall and to the humidity controller. The other cable from the wall goes from the humidity controller back to the other end of the Solenoid.

Makes more sense?

Stéphane
 
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Old 10-29-12, 08:18 AM
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Ok, feel better that you cleared it up.

Wire it up just like the drawing above.
 
 

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