Question about Aprilaire 700 Humidifier

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Humityfire not working

Could there be a problem with my humity stat- faulty humity state?
water supply and power supply are ok
model # 760 need help; any fixes or just replace ?
thanks leo

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Have a look here:
http://www.ontimemall.com/aprilaire760parts.html

you will find dissasembly manual there too
hope this helps
regards

Posted on Nov 20, 2008

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If there is no power at all check the wirings to the power, and check if there is a circuit breaker on the humidifier line, if it is not that , then it is the internal fuse.

If the humidifier is starting, but does not work, give me more details on the problem.

Posted on Nov 20, 2008

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1 Answer

I have a HoneywelI Enviracare Elite whole house humidifier. I have no power to the thermostat. The wire goes into the furnace and is attached to a control board. The furnace is working. Humidifer is n


Most of the humidifiers are run by 24 volts AC. disconnect the power wire to stat on circuit board and check there with meter and connect to low voltage ground for 24 volts, I'm assuming the two wires that power the humidistat are red and white.typically red is used for power. most likely you have power if the red for the stat is connected to the W on the board and the heat works, but the humidifier only works while heat is on.the next thing in line is the humidistat , it's a switch so if there is only two wires going to it take them off the stat and connect together, if furnace is on heat and running and stat wires are connected it will send power to water solenoid, if its not working yet the problem lies in the water solenoid if you have 24 volts at the two wires at solenoid.check while disconnected, do not connect those two wires together or a 3 amp fuse will blow on the furnace board. if you have 24 volts there then the valve may be bad or the valve may be stuck or clogged, loosen water supply line to make sure water is getting to valve. I spent many years working in the HVAC industry.

Dec 31, 2011 | Honeywell Humidifiers

1 Answer

My aprilaire 760 is draining a ton of water how do i make it stop i dont care if it works anymore after it i just want the water to stop its filling a gallon pitcher every 7 mins


There should be a copper line going to the Humidifier follow it back to the main water supply and there should be a water shut off there. Either a quarter turn ball valve or a Saddle Valve with a T stem coming out the top Turn the T Clockwise till it get tight. If there is no shut off valves Check and see if there is a Humidistat that You can shut the Power off to the Solonid Valve. But if the Solonid Valve is leaking bye that won't work. If the Humidifier has a seperate Power Cord and not getting power from the furnace you can unplug it also.

Feb 10, 2011 | Aprilaire 700 Humidifier

1 Answer

Solenoid on Aprilaire whole house humidifier


the solenoid allows water to flow to jet that then runs down the pad the solenoid is control by the stat

Feb 23, 2010 | Aprilaire 700 Humidifier

1 Answer

Water does not pass through solenoid


Thanks for your question,
first you need to determine if you have 24 volts from the transformer, if you have knowledge of electrical meters then this should be fairly easy, if not then you will need to do a little rewiring to find out if it is the solenoid, first you will need to do is shut the power off to your furnace, then get some t-stat wire, long enough to reach from the solenoid to the transformer, splice together the new wire to the wire from the solenoid, now take the other end of the wire, take the leads off the transformer (low voltage side) and hook the new leads to it, make sure the water is on, now turn the furnace back on, and if the solenoid is good the water will flow, if it doesnt, then you will need to replace the solenoid, if the solenoid does work then you know your problem lyes with the Humidistat, and you will have to replace that, but you need to determine if you have 24 volts from the transformer first, hope that helped, let us know and please rate this, thanks again ,
mr.grzz

Jan 25, 2009 | Humidifiers

1 Answer

No increase in humidity after installing whole house humidifier


have you checked the damper ? is the motor running the right direction ? have you increased the water supply to it ? you need to be sure that it is coming on only when you have a call for heat, normally your humidistat should be installed near the return, or on the return duct, for proper sensing, you could try holding a pan of steaming water, placing the stat above it, not to close, to see if the stat shuts off the hum, a little trick, that way you will know if the stat works ok, hope these helped, thanks for the question, mr.grzz

Jan 22, 2009 | Honeywell HE220A1019 Whole House...

2 Answers

Aprilaire 760 won't start


No. when you remove the front cover it will automatically disconnect the power supply. Try changing the water panel and cleaning out the orifice and filter screens located in the water lines connected to the solenoid valve.

Dec 26, 2008 | Humidifiers

1 Answer

Aprilaire 500 - Everything works, but humidity will not increase!


You should take out that aprilaire and throw it in the garbage or return it to who you got it from. Ask them why they didn't offer you the best humidifiers available. The only way to truly control humidity in your home without running your heat is a steam humidifier. Autoflo makes a good one also honeywell makes a new one. I have installed a honeywell tru steam in my own home and a few customers it hasn't lived up to its advertising. The auto flo has never given me any problems with customers.

Dec 18, 2008 | Aprilaire 600 Humidifier

1 Answer

Water does not stop.


soliniod may be stuck. you will need a volt meter to test

Dec 13, 2008 | Aprilaire 700 Humidifier

1 Answer

No water flow to the humififier


I've been working on the Aprilaire 110 unit today, after encountering the same problem. Here's how I fixed it: First, with the humidistat turned to 0%, I turned off the water supply saddle valve all the way (all the way to the right)--and then turned it back on all the way (all the way left). Still no water flow. Second, I slightly loosened the inline valve nut on the discharge side of the solenoid on the side of the 110 unit. Water began flowing, so I tightened it back up; and now the water flows freely. Conclusion: You may have some mineral deposit buildup in your lines, as I apparently did.

Nov 25, 2008 | Aprilaire 600 Humidifier

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