Question about Aprilaire 600 Humidifier

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Aprilaire 600 will not turn on

My humidifier was working fine, but over the last few days I noticed the humidity dropping in my house. I went out and put it in test mode and it isn't even clicking to open the valve up. This is when the heat is on. Is there wiring that could have gone bad on this or am I going to have to replace the whole thing?

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Http://www.aprilaire.com/themes/aa/en/manuals/600a.pdf here's the link fo the manual. read page thirteen about the inline screen that the unit has. it may be clogged up.

Posted on Jan 11, 2009

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We noticed the humidity went down to 30% and I adjusted the rate to increase Now our Aprilaire 400 says to change the filter. I did that, and it still says to change the filter. The furnace runs fine....


If your humidifier is equipped with a Digital Humidifier Control with Water

Panel change indicator, after replacing the Water Panel, turn the control

knob to the "Test/Reset" position until the "Humidifier On" light blinks to

reset its timer. (Blower must be operating and HVAC calling for heat.) Be sure

to turn the control knob back to it's original setting. If the "Humidifier On"

light continues to blink, your humidifier is in Test mode. DO NOT LEAVE THE
CONTROL IN TEST MODE OR HUMIDIFIER WILL NOT OPERATE.

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Our house is extremely humid and the a/c needs to be set lower to feel cooler. What are we doing wrong regarding aprilaire humidifier on our furnaces? Shouldn't they be turned off? yet the directions...


Hello
It depends on personal preferance,an air conditionner is going to remove humidity or water from the home,as water contains heat.

I would shut off the humidifier.The 40% setting depends on where in the world your located,say nevada is dry and hot so you may want a humidifier.Where florida is hot and humid so you would want to dehumidify or get rid of the humidity.

Lower the setting to 20% or just turn it off.

May 03, 2010 | Aprilaire 600 Humidifier

1 Answer

Aprilaire 560 will only click and flow water when turned to "test" does not work in any other settings?


Humidity must be hi enough in the house or Humidistat is not working. Do you any way to check humidity in the house?
If the Humidistat is set as Automatic, try to leave it as Manual.

Dec 03, 2009 | Aprilaire 700 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

Testing a Aprilaire Humidifier 600 Controller


if it works in the test mode then it should be okay but you can get a humidity gauge from radio shack and set in the house to see how high or low its is. the humidifier is only going to give a max of 45% humidity

Nov 27, 2009 | Aprilaire 600 Humidifier

1 Answer

Aprilaire 600 humidity level too low


The max the aprilaire can put out is 45% Rh. Your humidifier may wired up to run only when the heat is on. In some cases this is not enough time to maintain your humidity level your seeking. To correct this, the hum. has to hooked up the hot side of the water supply. And the humidifier has to be hooked up when the fan runs and leave the fan run constantly

Jan 12, 2009 | Aprilaire 600 Humidifier

1 Answer

Aprilaire 600: water only runs in "Emergency" Heat mode


When your unit is on normal the outside unit works and the inside only the fan runs. your heat pump does not remove any humidity when it operates so the installation cotractor did not wire it to operate then. you can change the wiring on the humidifier to operate all the time by wiring it to the fan (g) terminal then it should work just turn it all the way to the lowest humidity when you are in cooling mode.

Jan 07, 2009 | Aprilaire 600 Humidifier

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

After one season the model 700 doesn't turn on


clogged solonoid? clean filter and orifice

Dec 13, 2008 | Aprilaire 700 Humidifier

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Aprilaire 400 - Mesh Screen not wet


Not happy either. I bought 3 Aprilaire 400 for my house (3 zones). I picked this style since I have attic installation and did not want to run drains. The first night I expected a major air quality improvement but no change in humidity. I have installed humidifiers before so I know the drastic improvement they make. So I watched for a season and still no humidity improvement. Absolutely nothing at all. Same exact observation as you all described. Only the bottom of the media was wet. I'm dissatisfied with Aprilaire 400. Do not buy! Since I installed humidifiers before and understand them I am converting the Aprilaire 400 to work like a Aprilaire 600. I simply unwired the float sensors, removed the floats/lid and using a knife cut some of the plastic cups so the water would drain well. I also cut open the plastic exit port some too so it wont clog from dust globs. I obviously added drains. HUGE RESULTS. On the very first cycle on the humidity in that zone went from 25 to 48. I am watching carefully. -GK

Dec 31, 2007 | Aprilaire 400 Humidifier

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