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How to electrically hook up my humidifier to my furnace and have it run when furnace is running and not A/C in summer

How do I hook up my humidifier to my furnace so it only runs when furnace heats my house. Just want to make sure it does not turn on when A/C in summer goes on. The person who installed my furnace ...
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1answer
257 views

How to wire humidifier to furnace

I have a Goodman high efficient furnace with a carrier humidifier attached to the back. The humidifier wasn't working because the solenoid coil was burned, so I replaced it with a new solenoid. The ...
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0answers
56 views

Can I provide low-voltage power for an HVAC humidifier from a standard outlet?

I recently bought an Aprilaire humidifier to replace an old one that came with the house, which I thought was broken. After connecting the water (which does work and isn't clogged) and the wiring to ...
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0answers
107 views

Aprilaire 600 unit is mkaing an very loud noise when starting up

My Aprilaire 600 unit is making a very loud noise when starting up injunction with the furnace starting up. After taking the water pad off and watching the start of the furnace, the water came rushing ...
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1answer
83 views

Whole house humidifier when furnace is in unconditioned space

I have 2 furnaces, one in the garage and one in the attic. These are both spaces with unconditioned air, so they get very cold in the winter. The contractor who helped me configure my garage furnace ...
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3answers
188 views

Wiring for humidifier to Goodman gmpn080-4 furnace

I have a Goodman gmpn080-4 furnace and am installing a Skuttle 190-1 humidifier. Where do I wire the two wires from the humidistat to the furnace? I see a 24v HUM screw on the board, but not sure ...
3
votes
1answer
766 views

Aprilaire 56 Humidistat not getting power

I have an Aprialaire 56 humidistat that is connected to an Aprialaire 560 humidifier. Currently the humidifier is not turning on and after testing the wiring with a multimeter, the wires going in to ...
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0answers
4k views

Wiring Humidifier using W and C Terminals vs using Humidifier Terminals

I found info at this thread, and would have placed this question there, but I can't comment since I'm too new. I have HUM terminals on my control board, but they're line voltage (120VAC). I don't ...
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1answer
5k views

Wiring humidifier to furnace fan

I have a Generalair drip humidifier attached to a Trane furnace, having the control circuit board d341396P05. The humidifier is wired to the heat cycle of the furnace, so it starts working only when ...
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1answer
92 views

Just installed aprileaire 700 whole house humidifier. Furnace takes air from outside

I installed the humidifier on the supply plenum and digital guage on return as instructions showed. I have a furnace that draws outside air into the return duct. This is a new construction home and ...
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1answer
521 views

How to connect transformer to outlet for humidifier

I purchased an aprilaire 700, and I plan to install a 15a electrical outlet on the furnace right where the electrical comes in. If I first feed hot wire to outlet, and then feed off outlet to furnace, ...
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1answer
1k views

Aprilaire 500 humidifier on an Amana AMS8 furnace

I have a new furnace that did not come with a humidifier and I'd like to put one on - I've done some basic wiring in the past, but it's not my strong suit and I'm a little confused :) Here's where I'...
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2answers
288 views

How much difference does hot vs cold air make with regards to an Aprilaire 600 furnace humidifier evaporation rate?

If I run the humidifier only when the heat is on, I get good evaporation. However, I want to consider also running it with just the fan running because our furnace doesn't run all that often. Will I ...
1
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1answer
8k views

How do I wire my furnace humidifier so it comes on any time the fan is on?

I have an Aprilaire 600a humidifier from a few years ago and currently it's wired into my furnace with two control wires labeled "W/G" and "Cf". The "W/G" is connected to the W terminal on the ...
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1answer
596 views

How to wire a C-wire from a humidifier to a Carrier furnace?

I need guidance on a wire. One wire connects the humidistat to HUM. Another wire should go from the humidifier to COM24Vac. My COM is taken as you see in the picture. Is it an issue to wire the second ...
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1answer
2k views

hooking up a humidifier on a carrier infinity furnace

Hello I would like to hook up my desert spring rotary disc humidifier to my new carrier infinity model #59MN7 furnace. I see the control board in the furnace has a HUM (humidifier) terminal and a ...
1
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2answers
4k views

Wiring Aprilaire 700 Humidifier to York TG9* Furnace

I've read the related posts, but they don't answer my questions. Please, help! We had contractors installed: * Aprilaire-700 Humidifier with Auto/Manual Humidistat-Control Knob (non-digital) * ...
3
votes
2answers
44k views

How do I connect my whole house humidifier to my furnace?

Connecting Desert spring Humidifier to the furnace: Do I eliminate the 24V transformer that came with it? The furnace Keeprite has the the electronic board says Humidifier W1 and C. where can I find ...
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0answers
229 views

Options for humidifier

Winter is approaching and the cool weather is making the air dry in our home. We're using room humidifiers but want to install a humidifier which can go on our furnace. However, we have very limited ...
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2answers
8k views

Water has quit running thru my humidifier.

Furnace humidifier dry as a bone. have changed the filter, duh, that is the only thing I know how to do! Bottom line, there is no water running through it.
1
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4answers
32k views

How do I wire a humidifier without a 24 VAC IN terminal?

The instructions for the humidifier I'm installing says to connect the humidistat wiring to the two terminals "marked 24 VAC IN". My furnace doesn't have terminals marked that. I have R,C,W,Y.G. Am ...
1
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1answer
379 views

Can I install a flow through humidifier on either side of the duct?

I was about to install a Wait6000 whole home humidifier when I hit this snag in the plan. On page 3 of their manual (PDF), it says the cold air return duct must be at least 10" wide. The diagram ...
2
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3answers
16k views

Does a whole house humidifier go on the intake or outlet of the furnace?

On what side of the furnace do I install the tank of the humidifier (the warm side or the return air side)?