Question about Aprilaire Humidifiers
Within seconds of the furnace coming on, the humidifiers begin to make a humming sound, which can be heard throughout the house. Solenoid valves have been checked, filters have been changed, tubes and cords have been appropriately strapped. Still no relief. The only way to make the sound go away is to turn off the humidifiers, leaving my home much too dry during the winter season. Both units are relatively new: the Generalaire is two years old and the Aprilaire is one year old. I have run each humidifier separately and each of them makes a humming sound.
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Posted on Jan 02, 2017
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
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?
Posted on Dec 15, 2008
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
SOURCE: What is the saddle valve?
Your humidifier will have either a copper or plastic tubing attached to it. This tubing is the water tubing. If you follow that line to where it "taps" into a water line (near the water heater or a water line under your house), there should be a water shut-off valve. The water shut-off valve could be any type of valve but is normally a saddle valve. You could skip the step of shutting off this valve; however, it is good practice to shut the valve off for two reasons: 1. in the event of a water leak, you will be able to easily locate the valve to shut off the water. 2. if the valve is not "excercised" from time to time, the seals will dry rot and the valve will not be capable of doing it's job when the need arises.
Here is a video showing you how to trace your water line to your saddle valve. There is additional information on the video that you might find helpful as well.
Posted on May 07, 2010
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