Question about Honeywell HE360A1027 Whole House Humidifier Humidifier
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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Posted on Jan 02, 2017
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
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
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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