I have the Aprilaire Humidfier switched to winter, have adjust the humidity control knob, and I just noticed this week that there's no humidity in the air and that the drain pipe from the humidifier (from the furnace mounted Aprilaire) is not draining, it's dry.
I tracked the copper tube to a pipe that goes into the hot water tank, and there is a pin that I know I can turn left or right but I think it will leak if I move it.
The furnace is running ok and there's no water going to the humidfier....I am unemployed and have no income so I am trying to fix this myself but don't want to make any mistakes. Any help would really be appreciated. I have a humidity panel switch plate in my room and it's gone blank, this alerted me , and the dry air that something was amiss.
Turn that pin to the left and that will open the valve to allow water to flow through it. If it starts to leak the all you need to do is tighten the nut that were the water is coming out with a wrench, be carefull it wont take much to tighten.
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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.
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Aprilaire Humidifier is designed to operate in conjunction with your furnace
blower motor. Most installers wire a humidifier to operate when the furnace is
calling for heat. To determine if your Aprilaire Humidifier is maintaining
proper humidity, turn up the heat temperature 5 degrees above the current room
temperature on your thermostat and set your humidifier control to call for
humidity. The humidifier control is located on the cold air return duct.To set your humidifier control to call for
humidity, turn the control dial to the off position and slowly rotate the dial
until you hear a “click” on the control.You should also hear a click at the solenoid valve located on your
Aprilaire unit.The humidifier control
will have a click point at the current relative humidity level in your home. If
the current relative humidity is 45% or the outdoor temperature is above 60F,
the control will only operate the humidifier in the test mode.
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No click at the solenoid valve indicates
an electrical problem.Contact your
heating and air conditioning dealer to further check the electrical
components of your Aprilaire Humidifier.
The click sound at the solenoid valve
indicates there is electricity to the solenoid valve.By turning the dial of your humidifier
control to a setting above the “click point” you should see water coming
out of the drain line within a few minutes which would indicate your
humidifier is working.
If the solenoid valve makes a click
sound and there is no water draining from the unit, this would indicate
the flow of water is being obstructed.
determine if water flow is being obstructed, turn the dial of your humidifier
control to the off position.The first
location you would want to check for an obstruction would be at the saddle
valve located on the water line supplying water to the humidifier. When
checking the saddle valve, you want to make sure it is completely open.This can be done by turning the valve all the
way to the left.If anything is clogged,
it can be dislodged by turning the saddle valve all the way to the right and
back to the left.Once this is done,
turn the humidifier control dial above the click point and you should see water
coming out the drain line. If water is still not
coming out of the drain, check the orifice and in-line strainer to make sure
they are not clogged.The orifice is
located in the tube on the discharge side of the solenoid valve and the in-line
strainer is located on the inlet side of the solenoid valve. You may clear the orifice by inserting a
needle through the small opening.Clean
the strainer by running it under warm water to dislodge deposits or replace.After clearing and re-installing the orifice
and strainer (be sure to double wrench all water connections), turn the humidifier
control dial above the click point and you should see water coming out the
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
close the by pass air flow valve. shut off the water supply and finally flow the thermostat wire to the transformer or the controller and shut off or disconnect. Unit should be serviced before winter. Cell may need to be replaced
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
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?
check list 1.check the clamp on the pipe where water line connects is the hole clogged (water turned off)wont take long 2.Is water flowing all the way to resevoir after turnnig water on loosen line at reservoir 3.jiggle float water should enter the reservoir inlet to float valevel somestime cake up,clean float off 4.Remove pump cap clean impeller and standpipe 5.clean reservoir,and close everything up
Usually the hole in the pipe is clogged up in step 1 or the float is sticking if there is no evidence of water in the reservoir