Question about Humidifiers

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Have aprilaire 600 with York furnace. There is no water flow to the device. Water is in the line leading up to the valve prior to the humidifier but none is going into the humidifier. Checked all the connections, they are all connected

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Since there is water at the inlet of the valve this indicates either a bad solenoid valve or no power is being apllied to the solenoid valve. You will need a multimeter to check, if there is power then then the valve is faulty and will need to be replaced, if no power at the valve then you will have to trace the circuit back to the transformer and see where the voltage stops. The voltage need to be checked when the Furnace blower motor is operating.

Posted on Jan 22, 2013

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Posted on Jan 02, 2017

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JMuskovitz
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SOURCE: Aprilaire 760 Humidifier water continues to run

You need to determine whether the problem is in the solenoid or in the furnace electronics. You could put a voltmeter on the solenoid connection to see if the furnace is still holding the solenoid open after the blower stops. This will tell you whether it is the solenoid or not.

Posted on Feb 19, 2007

  • 4 Answers

SOURCE: Humidity too low

But by putting it in manual mose, you have to shut it sdown every season. With it in auto mode, and an outdoor sensor hooked up, you won't have to mess with it.

Posted on Feb 09, 2009

  • 118 Answers

SOURCE: Installing the Honeywell HE360A humidifier.

should be 2 wires going to humidifier you will connect wires from humidistat to them.

Posted on Oct 27, 2009

  • 1 Answer

SOURCE: How do I know my aprilair 760 humidifier is working?

A simple check you can perform on your aprilaire 760 is the following:
1) locate the two brown wires coming out of the 760 (these wires will be wired to tell the 760 to turn on when the hvac bower is on and the humidistat is calling for moisture).
2) temprarily disconnect the two brown wires from the external wiring and then short the wires together. All you're doing here is bypassing the your thermostat and bower-on indicator.

With the 70 unit plugged in to the wall outlet and the two brown wires connected together, both the fan and the solenoid valve (water inlet valve) should both be activated.

Posted on Dec 29, 2009

  • 232 Answers

SOURCE: 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

Posted on Dec 31, 2009

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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

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

I have a aprilaire 112. How do you test the solenoid valve to determine if it working properly?


without using a meter? OK take the water line loose from the humidifier that connects to the solnoid. Turn the humidifier on or raise the humidity and water should flow. Keep in mind that if wired correctly the humidifier will only work when your furnace is running although some can be wired to bring on your furnace. You should hear or feel the click if no water comes out you may have no water flow as these valves are pretty durable and seldom fail

Dec 11, 2009 | Aprilaire 700 Humidifier

1 Answer

No water flow in humidifier


clearly your water pump is broken. or you solonoid

Nov 11, 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

Water flow to my model 600 seems to be too quick. It splashes all over inside my furnace duct and over fills the drain causing water to run all over the floor. Could this be a bad selonoid?


It is not likely to be caused by the selonoid valve. The selonoid is designed to be either open or closed, so if the unit is calling for humidity, it should be 100% open allowing as much water as possible to flow through. In cases of a bad selonoid, it will usually stick open or stick closed, but I have never heard of one allowing too much water through. Check to make sure your drain is clear and that the incoming line to the humidifier is positioned properly on the inside of the unit. If this doesn't solve the problem, it could be that the water line to the humidifier is too large, allowing more flow than the unit is designed for.

Dec 16, 2008 | Aprilaire 600 Humidifier

1 Answer

Waterflow


If the unit was installed with a saddle valve, which is most often the case, you could try turning down the water pressure by tightening the valve a bit. Just follow the copper water line from the humidifier back to the main water line and look for a little valve that you can turn. Try to tighten this enough so that you still have water flowing, but at the proper volume so that it doesn't overflow and splash all over.

Dec 16, 2008 | Aprilaire 600 Humidifier

1 Answer

Solenoid on Aprilaire 600


solenoid valves dont just burn up just like that you have a recurring restriction due to bad water.Check the saddle valve at the water heater first then check for postive water flow at inlet to the solenoid valve,if you have water flow the valve is clogged with sediment.

Dec 13, 2008 | Aprilaire 600 Humidifier

1 Answer

Aprilaire 600 bypass water flow rate


The water is only dispensing over the evaporator pad while the furnace is in the heating mode. When the furnace finishes cycling the humidifier will also stop.

Mar 04, 2008 | Aprilaire 600 Humidifier

3 Answers

Aprilaire 600 - change water panel light stays on


Turn the control knob to the test/reset position untill the change water panel light blinks to reset the change panel timer. Make shure the furnace is running calling for heat.Turn control knob to prior setting after resetting timer. Hope this helps.

Feb 16, 2008 | Aprilaire 600 Humidifier

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