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Questions tagged [humidifier]

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0
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1answer
61 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
34 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
28 views

CO, USA - Code Violation for Switch or Subpanel to Power AC & Humidifier?

My mechanical closet is on the third floor of our townhouse and our breaker panel is on the first. To install a steam humidifier, I’ll have to run a 220 line between two floors or outside, both of ...
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0answers
27 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
45 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 ...
0
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1answer
32 views

Do I need a whole-house humidifier in Victoria BC with radiant floor heating?

We are building a new 4000sf home in Victoria BC. Heating will be in-floor radiant (no ducting). The floors are mostly hardwood with tile in a few areas. The year-round average humidity here varies ...
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2answers
69 views

Is my whole-house humidifier installed and working as expected?

I have a Honeywell whole house humidifier model HE240. Its installed on the warm air supply. I thought this would put the humid air into the warm air stream. Instead its blowing air to the cold air ...
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0answers
63 views

How should I connect AprilAir 600M humidifier to Goodman AMV9/ACV9_XA furnace?

How should I connect AprilAir 600M humidifier with Goodman AMV9/ACV9_XA furnace, so it turns on the call for heat only? I do understand that it is possible that if some portion of the fan fails and ...
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0answers
21 views

Bypass humidifier and forced air - no results

I have bypass Honeywell HE100 installed on a return side with 6 inch duct coming from the supply. Without the heat (fan only), I see that air that leaves supply is 90% humid. When the heat is on it ...
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1answer
79 views

Electrical Connection AprilAire 600M Bypass Humidifier

I have a 2-stage furnace and I want to connect the 24VAC from the humidifier to the thermostat connections on the control board. Since the control board has W1 and W2 connectors, which one should I ...
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0answers
254 views

Do I need to install the separate 24 VAC transformer on my Lennox furnace for a new Aprilaire 700 Humdifier

I'm replacing a whole house Aprilaire 760 humidifier with a new 700 model. It appears that everything is the exact same dimension so I'm intending to pull the old one out and simply install the new ...
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0answers
33 views

Should the water tube that goes into my humidifier have something at the end to regulate flow?

I have an old Bryant whole house humidifier. It is the kind where a tube enters the housing and does not connect to the pad/filter. It just pours water over the pad and the water runs through some ...
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1answer
101 views

What is the purpose of this PCB next to air pressure switch? Do I need it?

I recently noticed the whole house humidifier (installed by the previous owner) stopped working (Honeywell 280A). Filter dry, no flow, no click from the solonoid valve. I did some investigation and ...
1
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1answer
111 views

Material for water feed line on furnace humidifier. Latex required?

The water feed line on my furnace humidifier that connects to the pad started leaking, so I need to replace it. The original was made latex 1/4" OD tubing, but the store doesn't have that size and ...
2
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0answers
691 views

Difference Between Take Off and Starting Collar - Which One Should I Use?

I am in the process of installing a whole house humidifier. I am planning to mount it to the supply side and need to connect the bypass to the return. I'm not sure if I should be using a take-off or ...
0
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1answer
18 views

removing humifier control

have a new furnace for several yrs. now and i no longer have a humidifier. finally getting around to removing humidifier controller. Question: there are 2 wires, 1 red, 1 white, attached to the ...
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0answers
31 views

Carrier humidifier hookup

I had a blower replaced. In doing so, the technician pulled the wiring for the humidifier. The image shows the black wire is in place, the white wire not showing in the image is not wired in. Where ...
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3answers
147 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 ...
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0answers
106 views

Humidistat relay not working

I have a humidistat that the relay went out that is connected to the Solenoid value. Therefore there is no power available that will open the Solenoid. I'm in the process of purchasing a new ...
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0answers
55 views

Aprilaire Humidifier 600 - is it malfunctioning?

Our thermostat is set at 68 and temperature is at 71, yet furnace was running. I checked humidifier and although I have it set between 40 and 50, it’s registering 33. I turned it off and the furnace ...
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1answer
22 views

Humidity setting for vacant house

What should the humidity be set at a vacant house in Minnesota January through May
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0answers
152 views

Aprilaire 700 humidifier not working at all

I did read through other questions and answers before posting this question. I know solenoid is fine as it clicks when I connect to 24V. Two wires (brown and blue) coming from controller always has ...
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3answers
137 views

Should the solenoid to a Furnace Humidifier be intermittent?

This should be a simple yes or no question but I can't determine it myself. I have an AprilAire 550 Humidifier built into the ducting from my furnace. It appears that the humidifier isn't working due ...
0
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1answer
123 views

How to change inline water filter on whole home humidifier system?

We have a whole home humidifier as part of the furnace system, but have never really used it since we bought the house. I'd like to get it up and running and am trying to figure out some update ...
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0answers
105 views

Water pad for humidifier-can I buy larger and cut it to the size of my humidifier?

I have a Hunter CareFree Plus model (quite old-the thermostat has a analog control -no digital dispaly) and I wanted to start reusing it. It has been in a storage for a while, the filter is quite ...
1
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1answer
693 views

Compression fitting with copper nut and plastic pipe keeps leaking

I have a problem with a compression fitting leaking for the water supply of my new humidifier. The connection includes a copper nut and ferrule and plastic tubing. There is a slow drip at the ...
1
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1answer
192 views

Increasing flow rate on a whole-house humidifier

I've got an Aprilaire 550 on my furnace, but it basically never hits the humidity target. I know it's on (I can see microbubbles moving through the tube between the solenoid and the sponge), but there'...
2
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1answer
145 views

Running low voltage wiring around HVAC equipment

I added a bypass humidifier to my forced air furnace. The control panel is mounted to the return duct, and the wiring runs from the panel into the furnace fan compartment. Wires run from the water ...
3
votes
1answer
579 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 ...
0
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1answer
38 views

Is this humidifier properly installed?

Has anyone seen a humidifier installed this way: humidifier installed to side of air handling unit (hole drilled into side of AHU and discharging humidified air directly into the AHU). Always thought ...
0
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2answers
139 views

Can you save money with a humidifier and air conditioner combo?

I recently discovered how powerful humidifiers can be in terms of generating cold. What happens if you run a humidifier in a small room that has an air conditioner? The dehumidifier can produce air ...
3
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0answers
387 views

Will a 3rd Generation Nest thermostat correctly adjust the humidity base on outdoor conditions?

If I plug my whole house humidifier into a 3rd generation Nest, is it smart enough to track outdoor temperature and adjust indoor as needed to keep condensation off the inside of the windows?
2
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1answer
746 views

where should I install the bypass duct and humidistat of a whole house humidifier

where should I install the bypass duct and humidistat of a whole house humidifier if the humidifier was installed on the return line? I have the Honeywell Model # HE120A1010 Drum whole house ...
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0answers
633 views

Carrier Infiniti Furnace and AprilAire 700 Humidifier - Isolation Relay

I have a Carrier 59TN6A100V21 - - 22 furnace that I have recently installed an AprilAire 700 humidifier on. I'm finding out now that I need to be using a Isolation Relay and Carrier manuals say I ...
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0answers
3k 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 ...
0
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1answer
4k 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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2answers
1k views

How long should humidifier take to humidify small apartment?

I have two humidifiers running in attempt to combat some severe sinus issues, likely caused by the very dry winter in Boston. I live in an a 450 sq ft studio apartment. They have been running for ...
2
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1answer
84 views

Does a non-functional whole-house humidifier affect air quality in my home?

I installed a Honeywell Humidifier 18 years ago and it was never cleaned and stopped working 10 years ago. Does this non working humidifier affect the quality of the air in the winter? Should we ...
0
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1answer
955 views

Increase humidity with HRV?

I’d like to increase the humidity levels in my old stone and brick house (~120 years) during the winter. Right now it’s about mid-20% and I’d like it to be 30% to 35%. This house came with a HRV ...
0
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1answer
79 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 ...
0
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1answer
451 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, ...
0
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1answer
430 views

Aprilaire 700 install no outlet for 120vac hookup?

I purchased an Aprilaire 700 to install soon. I have been looking over the documents and it has an automatic setting with a sensor that goes outside and a digital control, so it will need continuous ...
0
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1answer
962 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'...
0
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1answer
104 views

Trane humidifier control switch replacement

The control switch that came with bypass humidifier installed with my Trane heat pump started acting up - only turns humidifier water on when I turn the dial all the way to max. I'm thinking I need to ...
1
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1answer
7k views

Using a humidistat? (humidifier)

I came here to seek a bit of guidance on using my humidistat. I've only owned my home for a few months and have never had a humidistat before. I have a GeneralAire M3 humidistat and was trying to ...
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0answers
71 views

thermostat replacement when lacking control wires

I would like to replace the thermostat in my home and I am looking for some ideas on how it can be done in my current setup. The wall mounted thermostat was disconnected before we moved in and ...
0
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1answer
90 views

What is the name for the brush to clean this humidifier valve on my HVAC

(Context) The previous owners put a humidifier on the HVAC and I could have sworn that the red wire thing attached to the valve had a brush on the end of it when I was with the inspector months ago. ...
0
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1answer
153 views

How can I run a DC fan and ultrasonic fogger on one cord? [closed]

I want to build a humidifier for our tree frog terrarium by putting a ultrasonic fogger in a container of water and then attaching a computer fan on the lid. I'd like to combine the power for both the ...
1
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1answer
369 views

How can I seal HVAC duct damper?

My bypass humidifier is designed to run in a loop between the supply and return, and has a damper to close airflow for the summer. The problem is that the damper is by no means airtight when closed ...
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2answers
256 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 ...