How To Repair Aprilaire Humidifier

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During the normal functioning of an Aprilaire home humidifier, the unit opens a water valve, operated by a special electric device, called a solenoid. When the unit of measurement needs water, it sends an electrical impulse to the solenoid, magnetizing a coil in the device. The magnet then pulls the valve dorsum, magnetically, to allow the water to flow. If the solenoid fails, the water volition non period, providing too little moisture in the home. The solenoid is self-independent. It requires replacement to service and repair information technology.

Pace 1

Unplug the humidifier unit, if possible. Turn off the breaker to the unit. Plow off the water supply to the unit.

Stride 2

Disconnect the water line from the solenoid valve by turning the inlet and outlet compression nuts counterclockwise with the adjustable wrench. Slide the compression nuts away from the solenoid valve. Remove the inline strainer in the inlet and the orifice in the outlet of the solenoid valve.

Stride 3

Take note of the positive and negative wiring on the solenoid valve. Disconnect the wire basics on the wiring and remove the solenoid valve wires from the humidifier wires. Unscrew the mounting bolt from the solenoid valve with the Phillips head screwdriver and remove the valve.

Step four

Position the new solenoid valve in the humidifier. Attach the mounting bolt to secure the valve in identify. Rewire the valve to the humidifier, and supervene upon the wire basics on the ends of the wires.

Step 5

Insert the inline strainer into the inlet and the orifice into the outlet in the new solenoid valve. Reattach the inlet and outlet compression nuts.

Stride 6

Plough the water supply on. Bank check for any leaks and readjust the compression nuts, as necessary. Wipe any water from the unit with a towel.

Step vii

Plough the breaker to the humidifier back on. Plug it in, if necessary.

Pace 8

Turn the command dial on the humidifier to the "Off" setting. Plow the dial clockwise, slowly, until you hear the solenoid valve click open. Bank check for water to catamenia into the unit of measurement. Turn the dial back, slowly, until you lot hear the solenoid valve click off. Check for the h2o flow to cease. The unit is now ready to configure for your home.

Adjustable wrench
Phillips head screwdriver

Alert

Aprilaire recommends any wiring on your humidifier be done by a professional contractor.