Question about Honeywell HE360A1027 Whole House Humidifier Humidifier

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Honeywell HE360 Installation

I'm installing a Honeywell HE360 humidifier on a Lennox G40UH furnace. HUM terminals on furnace board provide 120V. Unfortunately, Honeywell "updated" this model so there is no longer an external 24V transformer, 24V is provided by wires from the main unit. Can I leave these unused, get an appropriate transformer, and use the HUM terminals rather than the pressure switches? If so, where might I find the appropriate transformer?

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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Joe_Rex
  • 114 Answers

SOURCE: Installation problem

I WOULD CHECK TO SEE IF YOU HAVE ENOUGH V/A OUT-PUT ON TRANSFORMER. I DONT KNOW IF YOURS CAME WITH ITS OWN TRANSFORMER. IF IT DIDNT YOU SHOULD HAVE A MINIMUM OF A 40 V/A RATING STAMPED OR PRINTED ON THE EXISTING TRANSFORMER. IF THE TRANSFORMER IS EXTREAMLY HOT ... YOU MAY NEED A 75 V/A TRANSFORMER WITH THE SAME VOLTAGES. INCREASING THE V/A CANNOT DAMMAGE ANYTHING IT JUST GIVES YOU MORE POWER WHEN EXCESIVE CONTROLS AND WIRING ARE ADDED TO A HVAC LOW-VOLAGE (24v) CIRCUIT. IF YOU LIKE YOU CAN CALL ME AT 727-363-7071. I AM A RETIRED HVAC&R CONTRACTOR WITH 45 YEARS EXPERIENCE. I HATE THE NEW SENSORS THEY HAVE TO ACTIVATE THESE NEW HUMIDIFIERS. I USE TO WIRE THE HUMIDIFIER TRANSFORMER (SUPPLIED WITH HUMIDIFIER) TO THE LINE (110V) SIDE TO THE LOW SPEED ON YOUR BLOWER MOTOR. THAT WAY THE ONLY THING THAT INTERUPTS THE CICUIT IS THE HUMIDISTAT. YOU NEVER WANT THE HUMIDIFIER TO RUN IF YOUR SYSTEM IS NOT "CALLING FOR HEAT". NEVER TRY TO ENERGIZE THE WATER SOLENOID THROUGH YOUR HEAT WIRE(USUALLY SMALL THE WHITE WIRE) FROM THE THERMOSTAT. THIS WILL RESULT IN BURNING YOUR HEAT ANTICIPATOR OUT ON THE T-STAT.

Posted on Apr 28, 2007

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  • 290 Answers

SOURCE: he 260a wiring w/humidistat

try this forum...there are wiring diagrams posted there:
http://forum.doityourself.com/humidifiers-dehumidifiers-130/

Posted on Dec 12, 2008

machtcl1
  • 61 Answers

SOURCE: wiring problem

Sounds like you may have put 120v through a 24v solenoid and humidistat.
Is the HUM terminal on the furnace 120v or 24v?
If it is a 120v terminal you will need a 120x24v transformer and a new solenoid and maybe a new humidistat.

Posted on Jan 02, 2009

buffalonyman
  • 1865 Answers

SOURCE: Honeywell TrueIAQ humidifier wiring

email the schematic to me at buffalonymann@yahoo.com

Posted on Apr 15, 2009

  • 114 Answers

SOURCE: tank is broken on Honeywell HCM-560 humidifier.

you type in on the internet. www.appliancefactory.com
in the search bar type in your model number. it might take a minute to load but you will have 3 pictures that come up. click on any of them and scroll down alittle until you see water tanks. you can order them there.. or if youdon't want to go that route you can always try local hardware stores to see if they have it as well.

Posted on Aug 21, 2009

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1 Answer

Wire Honeywell HE220 to N8MPN/L, *8MPN/L furnace control board


HI

I have similar isssue with HE220 but in my case the water run through all ththe time, even when unplugged from the power outlet.
Would that be solenoid issue?
the unit run fine for last season so the wiring is fine.

Any ideas would be greatly appreciated.

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Have a aprilair 550 for some time. Installed a new Lennox G61MP furnace and the technitions failed to reconnect the wiring that powers the humidifier. Need wiring schematic. Does humidifier transformer get...


Hello, yes the transformer will get a 120 volts from the Furnaces control board, there should be a terminal labeled HUM on the control board. You need to bring 2 wires one from HUM and one from a nuetral tap on the board to the line side of the transformer, this way every time the blower motor on the Furnace turns on the humidifier will aswell.

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I have just completed installing a Honeywell HE220A humidifier to a Carrier Weathermaker 8000vs that was installed in 2003. My problem is that all the identified circuits in previous posts on the circuit...


I believe that Carrier has a 24 volt setup for humidifier but am not sure. On the circuit board I think there is a terminal (HUM). If there is this terminal connect 1 wire to this and 1 wire to C terminal.
If not,pretty sure there is a 120 volt EAC terminal. This would only kick on when blower is on. If you have to use this you would have to install transformer to the EAC connections

Jan 28, 2011 | Honeywell HE220A1019 Whole House...

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Do I need a transformer if my furnace has HUM port


Yes you still need a transformer the hum. port on the furnace goes to the 24 volt transformer. one leg of the primary side goes to the transformer and the other leg of the primary goes to the neutral on the board. Then you have your 24 volt terminals one goes directly to the humidifier and the other goes to the humidistat the other wire from the humidifier goes to the humidistat.

Jan 25, 2010 | Honeywell HE260A1010 Whole House...

1 Answer

Why two 24 Vac on aprilaire 700's control unit?


Okay, I looked up the installation manual online to see exactly what you are working with.
Yes the R anc C need to be hooked to the transformer supplied with the unit. The primary 120v side needs to be hooked into the power coming into the furnace. this can easily be done were the L and N get hooked into your furnace or circuit board on the furnace. This will provide the contiuous power to the unit. Preferably you will hook this after the door switch of the furnace so that you will kill the power toit if you take the blower door off.
The ODT terminals are for the outdoor sensor if you want to hook that up it will vary the humidiy in your home according to the outdoor temperature then.
Now the W/G and Cf terminals. If you have 24v coming from the HUM terminals of your furnace you DO NOT need a second transformer. You must check your furnace manual or check the voltage to them with the furnace blower energized. The HUM terminals will only have power to them when the blower should be running.
If the HUM terminals are 120v then you need to get another transformer and hook up the primary side to the HUM terminals so it is powered only when the the blower is running. Hook the secondary side to the W/G and Cf terminals.
So bottom line is that you need to figure out what voltage your furnace is giving to the HUM terminals and then go from there. Some times the EAC terminals or the ACC terminals will be 24v on the furnace board. Either of them could be used also, as they are only energized when the blower is running also.

Heatman101

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Sounds like you Connected the humid trans fromer directly to a main power source. It should be either on the EAC or HUM term on the board of the furnace.

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1 Answer

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Sounds like you may have put 120v through a 24v solenoid and humidistat.
Is the HUM terminal on the furnace 120v or 24v?
If it is a 120v terminal you will need a 120x24v transformer and a new solenoid and maybe a new humidistat.

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