Question about Aprilaire 700 Humidifier

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House is dry though it's quite cold outside and furnace is running. Aprilaire is turned up to 35 (I have a dial, not a digital panel). the water panel is completely dry (should it be?)

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Humidi ty in our house stays between 23 - 30% when we have our dial up to 45% which is a digital humidistat.we just had the aprilaire 700 installed. is there a way to get the humidity level higher?

Posted on Feb 05, 2010

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Unless the humidty in your home is higher then 35%. if it is then the humidifier would not run. try turning it up higher and see if it comes on. Do you hear a click in the humidistat? as you turn up the dail when you hear the click is when the humidifier should come on. Also remember your furnace must be running for the humidifier to come on. if you hear the click and the humidifier fan comes on but no water, you may have a clogged inline filter located in the solinoid valve or a bad soliniod. all parts for your humifier can be purchased from www.aprilaire.com

Posted on Feb 05, 2010

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1 Answer

There is a lot on condensation coming out of the pvc from the house. I have it set on 35. I changed the filter and now it seems to be running all the time. Is this right?


Hello, the humidifier should turn on and off with the furnaces blower motor. Usually if it runs continously it means the solenoid valve is stuck open, in this case the solenoid valve must be replaced. The condensation is normal comming out of the pvc pipe, and the humidistat should be set according to your outside air temp

Outside Temperature -10 F 0 F 10 F 20 F 30 F Recommended Indoor
Relative Humidity
20% 25% 30% 35% 35%

Feb 21, 2011 | Aprilaire 700 Humidifier

2 Answers

Not working


HI, Troubleshooting an Aprilaire Humidifier

Aprilaire, a manufacturer of indoor air quality products including thermostats, air cleaners and dehumidifiers, also offers a line of whole house humidifiers. Installed in your existing heating and cooling system, humidity is produced by a supplied water source that flows over a water panel before being distributed throughout your air through the heating and cooling system. Issues you may need to troubleshoot with your Aprilaire humidifier include error messages and the unit producing too little or too much humidity.

Things You'll Need:

Replacement water panel


Turn down the control dial by one setting if condensation appears on your windows or walls.


Turn up the control dial by one setting if there is a lack of humidity, often indicated by dry skin or peeling wallpaper or paint.


Turn the control dial to "Test/Reset" if the humidifier does not run. Verify the heating and air conditioning unit blower is operating. If the heating and air conditioning unit is not operating or you are unable to resolve the issue contact a heating contractor.


Contact a heating contractor if you turn the control dial to "Off" and the humidifier continues to run.


Contact your Aprilaire dealer (see Resources) if you notice an error code on the display and the "Call Dealer for Service" light flashes.


Turn the control dial to "Off" and turn off the water supply if the yellow "Change Water Panel" light flashes. Lift the front panel off of the humidifier. Slide out the water panel. Insert a new water panel. Replace the front cover. Turn the control dial to "Test/Reset" until the "Humidifier On" light flashes. If you feel uncomfortable changing the water panel, contact a heating contractor.


Tips & Warnings

Purchase replacement water panels through your Aprilaire dealer or a heating contractor.



You can get parts from the link below:

arnoldservice.com/humidifier_parts.htm


Hope it helps.

Thanks for using fixya....

Nov 17, 2010 | Aprilaire 700 Humidifier

1 Answer

We just bought a house with an existing Aprilaire 600 humidifier. It is now heating season and we ae running the furnace. I turned on the humidifier and no water is getting to the pad.The water line is ok...


Hello,Make sure the heating blower/fan is running when you turn the dial as the humidifier might not have power if there is no heating blower operation.

Nov 06, 2010 | Aprilaire 600 Humidifier

1 Answer

Water and motor always run on Aprilaire 760, even when furnace is off.


Hope this solves your problem, look for the humidistat, it should be located on cold air return duct near furnace, make sure it is not set in the on position, if it is, then this is why it is staying on, please set humidistat any where from 20 to 35%, never over 40%. If the humidistat is set properly and is still running, you may have a electrical problem, humidifier circuit should only receive power(24 volts) when the indoor blower motor of furnace receives power, also if you have galvanized plumbing in your home, you may have a piece of rust or lime deposit in the humidifier solenoid valve preventing it from closing, turn water off to humidifier and disconnect water supply line entering solenoid valve inspect & clean protector screen. Good luck.

Mar 03, 2010 | Aprilaire 700 Humidifier

1 Answer

Our aprilaire humidifier is only 4 years old and it does not seem to be working. We have static in the house and when I did test mode it never drained water like it was supposed to. Any ideas what I can do...


Hope this helps, check and see if humidistat is set to 35% humidity and that bypass damper on humidifier is in the open position or winter position.(humidistat is usually located on cold air return duct near furnace). Next, replace humidifier media pad, remember to replace media pad (filter) annually, you also may want to clean any lime deposit out of humidifier housing with a solution of warm water and white vinegar before installing your new media filter.Remember to turn power off at side of furnace when cleaning humidifier and replacing media. Before installing new media turn power back on to furnace, set humidistat to the on position, turn furnace thermostat above room temp., and inspect humidifier to see if water is running from top,(you may want to have a bucket under humidifier when checking for water), if you see water running, turn power back off to furnace, properly install new media filter, reconnect humidifier cover & set humidistat to 35%. If you do not see water present, check water supply valve to humidifier and make sure its turned on. If water supply valve is open, then check water supply tubing for blockage.And the last things to check is to make sure all registers through out your home are open and not blocked by any objects, also make sure furnace filter is cleaned, if none of this works refer to installation manual to see if humidifier was sized and installed properly, Good luck.

Mar 03, 2010 | Aprilaire 600 Humidifier

1 Answer

Dry house with furnace mounted humdifier


Is the furnace fan set on auto or on. You will get better humidity if you keep the fan on. It won't add much to your electric bill because many of the newer furnaces operate the fan on DC voltage. Try it!

Jan 16, 2010 | Aprilaire 700 Humidifier

1 Answer

Aprilaire 600 humidier: water continuously runs


sounds like you may have it wired to a continuous power source vs one that shuts off with the furnace. The most common wiring is red to C & white to W

Jan 08, 2010 | Aprilaire 600 Humidifier

1 Answer

Water only runs with humidistat in test/reset mode. Aprilaire 600 with an Aprilaire 56 Automatic Humidistat, both about 5 years old. Water line is clear, and test mode runs fine for the 1 minute interval....


you need to make sure your humidity level in the house isnt higher then what your humidifier will provide at any givin outdoor temp. this chart is in the owners manual. you cant remove the wires going to the ODS or it will give an error unless you have a resistor to put in its place. Anyway if the humidifier works in test mode according to AA it works so you may have higher humidity than you think, the highest your gonna get is 45% as the temp outside drops it will allow less humidity so it doesnt cause window condinsation (property damage) here is a copy of the chart. the #s on the left are the dial setting
TABLE 2 – % Relative Humidity Guide
Outdoor Temperature (°F)
-10°F 0°F 10°F 20°F 30°F 40°F
1
10% 10% 10% 15% 20% 25%
2 10% 10% 15% 20% 25% 30%
3 10% 15% 20% 25% 30% 35%
4 15% 20% 25% 30% 35% 40%
5 20% 25% 30% 35% 40% 45%
6 25% 30% 35% 40% 45% 45%
7 30% 35% 40% 45% 45% 45%

Nov 28, 2009 | Aprilaire 600 Humidifier

1 Answer

What should my humidifier be set at for the winter?


Hi, Jennifer:

I'm no expert, but those who are seem to agree that the first thing to check is your evaporator panel. Aprilaire recommends replacing it annually--so if you haven't replaced it recently, that would be the first step to take. Next, check the power supply to your Aprilaire unit. Turn the humidistat to 0%, and then turn it slowly back toward 35% until you hear a click at the unit. If you don't hear a click, you'll want to check that the unit is in fact getting electric power (you may want to get an electrician or furnace tech to do this). If you do hear the click, the next thing to check is whether you have sufficient water flow to your Aprilaire unit. On mine, I had to adjust my water supply saddle valve, as well as the inline valve on the discharge side of the solenoid (see prior post from this morning)--and this seemed to clear the lines and restore water flow. Once you achieve proper water flow, you will probably want to set your humidistat at 35% for winter temps of around 20 degrees F--but be sure to adjust it downward for colder weather. Comments, anyone?

Dec 13, 2008 | Aprilaire 700 Humidifier

1 Answer

Aprilaire 110


Modle 110 has a relay in it see if it is stuck.Hope this helps

Nov 05, 2007 | Aprilaire 600 Humidifier

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