What causes Aprilaire 800 Humidifier to run in short cycles?
To address short cycles in your Aprilaire Humidifier: * Use the blower activation feature on ADHC or run a constant HVAC fan. * Allow the humidifier to run for longer cycles to concentrate minerals and increase water conductivity.
What to do if my Aprilaire Humidifier will not drain?
If your Aprilaire Humidifier will not drain, it may be due to debris blocking the outlet port in the drain valve. Remove the canister and clean any debris from the drain valve.
Why is there water in the duct from my Aprilaire Humidifier?
If you find water in the duct from your Aprilaire Humidifier, it could be due to: * The dispersion tube being installed incorrectly; ensure it is installed with the tubelets facing straight up. * Impurities in the steam hose or pipe causing foaming; rinse the canister, fill hose, and fill cup with clean water. * Insufficient absorption distance; determine the correct absorption distance.
Why does my Aprilaire 800's fill valve make a banging sound?
If the fill valve on your Aprilaire Humidifier is making a banging sound, it could be due to: * Water hammer from line pressure; make sure the water supply line does not contact ductwork. * Consider installing a shock arrestor or a section of 1/4" braided fill line, conforming to local codes. * If water supply pressure is greater than 120 psi, install a pressure reducer.
Why does Aprilaire 800 Humidifier drain frequently?
If your Aprilaire Humidifier drains frequently, it might be because a Model 80LC canister is being used with water that is too conductive. Try changing to a Model 80 canister.
What does it mean when solid red Service light is on Aprilaire 800 Humidifier?
If the service light is solid red on your Aprilaire Humidifier, it indicates the unit senses current 120% above nominal and cannot lower amperage after three drain cycles. Rinse the canister to remove mineral deposits or install a new canister.
Why Aprilaire 800 Humidifier will not turn on or turn off?
Your Aprilaire Humidifier might not be turning on or off due to several reasons. Here are some things you can check: * Verify that the field-wired terminal connections L1, N/L2, and ground are properly wired and have the correct voltage. * Check that the HUMIDISTAT and FAN PACK terminal connections are tight and correctly wired. * Ensure the HUMIDISTAT terminals are connected to an on/off device. * Inspect wiring connections and settings on accessories like the high limit switch and airflow proving switch. * Examine electrode and high water probe connections on the top of the canister. * Confirm the ribbon cable from the membrane switch is securely plugged into the control circuit board. * Ensure the black/white wire is attached to the terminal that matches the input voltage...
Why is water constantly running down drain of Aprilaire Humidifier?
If water is constantly running down the drain of your Aprilaire Humidifier, there might be debris in the drain valve preventing it from closing. Remove the canister and clean any debris from the drain valve. Also, check the O-ring in the drain valve to ensure it's properly seated and not damaged; replace it if necessary. If water is flowing from the fill cup overflow port, inspect the internal hoses for kinks or blockages. Ensure the dispersion tube tubelets are pointed up and that the dispersion tube isn't discharging into a duct with static pressure greater than 2.0 in. wg.
What to do if my Aprilaire Humidifier is leaking water?
If you notice water leaking from your Aprilaire Humidifier, start by inspecting the water supply connection at the fill valve inlet and tighten it if needed. Check the internal hose clamp connections and reposition/tighten them as necessary. Ensure the steam hose connection on top of the canister is secure and the clamp is tight. Also, inspect the internal hoses for any kinks or blockages, and make sure the drain hose has a constant downward slope without any obstructions.
Why Aprilaire Humidifier will not fill?
If your Aprilaire Humidifier is not filling, ensure the saddle valve is properly installed and open. Also, check the internal hoses for any kinks or blockages.
General| Type | Steam Humidifier |
|---|---|
| Installation | Professional installation recommended |
| Warranty | 5-Year Limited Warranty |
| Coverage Area | Up to 6, 200 sq. ft. |
| Control | Automatic or manual control |
| Capacity | 11.5, 16.0, 23.3, or 34.6 gallons per day (depending on model) |
| Voltage | 120V or 240V (depending on model) |
Read manual before service/maintenance. Failure can cause hazardous situations, property damage, personal injury, or death.
System has hot surfaces and water up to 212°F (100°C). Contact can cause severe personal injury. Follow manual procedures.
Follow shutdown procedures before service. Loss of power during maintenance can cause severe injury or death from electrical shock.
Explains how the Aprilaire Steam Humidifier generates steam using electrodes and water in a canister to deliver humidity.
List of recommended inspection items when servicing the humidifier, including canister, valves, and wires.
Step-by-step procedure for safely shutting down the humidifier before performing service or maintenance.
Procedure for disconnecting, cleaning, and reconnecting the fill valve strainer and water supply line.
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