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Honeywell HE420A Owner's Manual

Steam power humidifier
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READ AND SAVE THESE INSTRUCTIONS
HE420A Steam Power
Humidifier
OWNER'S GUIDE
69-1112-2

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Summary of Contents for Honeywell HE420A

  • Page 1 READ AND SAVE THESE INSTRUCTIONS HE420A Steam Power Humidifier OWNER’S GUIDE 69-1112-2...
  • Page 2: Table Of Contents

    HE420A STEAM POWER HUMIDIFIER WELCOME... to the comfortable world of humidified air. With your Honeywell humidifier you will notice a decrease in dry skin, scratchy throats and irritated nasal passages that aggravate allergies and asthma. You’ve also taken the first step to stopping the “zapping”...
  • Page 3: Operating Your Humidifier

    HE420A STEAM POWER HUMIDIFIER OPERATING YOUR HUMIDIFIER The HE420A Honeywell Humidifier is controlled by an Automatic Humidity Control. The Automatic Humidity Control is mounted in the return air duct where it can be exposed to the air stream of the return air and is designed to automatically adjust the humidity level based on indoor temperature and humidity, inferred or measured outdoor temperature, and the dial setting.
  • Page 4: How Your Humidifier Works

    HE420A STEAM POWER HUMIDIFIER HOW YOUR HUMIDIFIER WORKS Your Honeywell humidifier uses the principle that hot water creates moist air and as the moist air circulates, the relative humidity rises. Your humidity control monitors the relative humidity and activates the humidifier accordingly.
  • Page 5: Cleaning Your Humidifier

    Never oil any part of the humidifier. Every 1 to 4 Months (Depending on Water Quality) Use the following procedure to clean your Honeywell humidifier: 1. Unplug the humidifier and fan control. 2. Disconnect the wires from the humidity control external screw terminals.
  • Page 6 HE420A STEAM POWER HUMIDIFIER CAUTION Flooding Hazard. Inadequate support of the float arm can lead to valve seat damage resulting in water leakage. Support the float arm during adjustment. a. Set the humidifier reservoir on a level surface. b. Attach the water feed line and allow the unit to fill until the float valve shuts off the incoming flow of water.
  • Page 7: Checking Your Humidifier Operation

    HE420A STEAM POWER HUMIDIFIER Vacation When you leave on vacation, turn off the humidifier water supply and your humidity control. Turn on the humidifier water supply and reset your humidity control when you return. CHECKING YOUR HUMIDIFIER OPERATION After winter startup or maintenance, use the following steps to check the humidifier operation: 1.
  • Page 8: Warranty

    This warranty does not cover removal or reinstallation costs. This warranty shall not apply if it is shown by Honeywell that the defect or malfunction was caused by damage which occurred while the product was in the possession of a consumer.