How To Set Your Aprilaire Humidifier

EZ Aprilaire Humidifier Operation Reference Guide

""The Aprilaire Is Not Operating"

Your 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. If h2o is not draining from your humidifier, yous showtime need to determine if your Aprilaire Humidifier is working properly. You may do so by turning upwards the heat temperature 5 degrees above the current room temperature on your thermostat and setting your manual humidistat to call for humidity. The manual humidistat may be located on the cold air return duct or in your living area. To set your manual humidistat to call for humidity, plow the control punch to the off position and slowly rotate the dial until you hear a "click" on the control. Yous should also hear a click at the solenoid valve located on your Aprilaire unit. If you take a manual humidistat located in the living area, information technology will be necessary for a second person to be at the location of the Aprilaire Humidifier in gild to hear the click sound of the solenoid valve. The click point on the manual humidistat indicates the electric current humidity level in your home. All Aprilaire Humidifiers are designed to maintain an indoor relative humidity level of 35% anytime the outside temperature is twenty°F or above. If the outside temperature is 20°F or above and you lot have less than 35% relative humidity, there may be an electrical trouble, humidity may be escaping from your home, your furnace may have short running time, or h2o catamenia is being obstructed.

October 2007 to present

FIG ii Prior to October 2007

No click at the solenoid valve indicates an electric 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 at that place is electricity to the solenoid valve. By turning the punch of your manual humidistat to a setting higher up 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 audio and there is no h2o draining from the unit of measurement, this would indicate the catamenia of h2o is being obstructed.

To determine if h2o menstruation is being obstructed, turn off the furnace blower and turn the punch of your manual humidistat to the off position. The first location you would desire 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 certain information technology is completely open. This can be washed by turning the valve all the fashion to the left. If annihilation is chock-full, it can be dislodged by turning the saddle valve all the fashion to the correct and back to the left. Once this is done, plow the manual humidistat dial above the click signal and you should see water coming out the drain line.
If water is still non coming out of the drain, check the orifice and in-line strainer to brand certain 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. Y'all 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. Later on clearing and re-installing the orifice and strainer (be certain to double wrench all water connections), plough the manual humidistat dial above the click betoken and yous should see water coming out the drain line.

4. Depression Humidity can also be due to humidity escaping from the home or short run time by the furnace. Perform the following:

Close all areas which could allow air and humidity to escape such as; fireplaces, windows, doors, mechanical ventilation (fresh air exchanger), etc. The amount of mechanical ventilation should as well have been considered when the humidifier was initially selected by the installing HVAC contractor.
If the furnace has a curt running time, information technology will too touch on the corporeality of humidity in your abode. 1 option is to operate your furnace blower motor constantly by switching the fan switch on your thermostat to the "on" position. When operating the furnace constantly, it is important the humidifier is supplied with service hot h2o to provide the heat necessary for evaporation. If you have any questions on how to do this, contact your heating and air workout dealer.
Your Aprilaire humidifier needs to be perfectly level. If your Aprilaire is not level, you will not get proper water flow which will affect performance and the relative humidity in your home. Check the h2o flow rate at the drain line. Proper water flow for the Model 400M, 500M, and 600M, is iii gallons per hour and you should be able to fill a quart jar in approximately five minutes. For the Models 350, 360, 700M and 760 the water catamenia rate is 6 gallons per hour and you should be able to fill a quart jar in two ½ minutes. If you exercise not have proper water flow, the h2o flow may be obstructed.
The water panel requires annual replacement. If the panel has been in use for more than 1 humidifying season, replace it. The water panel can become clogged from mineral deposits left behind from the evaporation procedure. A clogged water panel volition affect the amount of humidity in your home.

If after trying the in a higher place yous still take less than 35% relative humidity with an outside temperature of 20°F or higher up, contact your installing heating and air-conditioning dealer for further assist. You will likewise want to re-set up your thermostat to the original set point temperature.

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