Introduction

WARNING! 120 volts may cause injury from electrical shock. Disconnect power and shut off water supply before servicing.

CAUTION! Sudden operation may cause personal injury or property damage. Turn humidistat or Automatic Humidifier Control, to “OFF” or lowest setting before servicing

Thank you for your recent Aprilaire® Humidifier purchase. We sincerely appreciate your business and are pleased to add your name to our growing list of customers. With this purchase, you have invested in the highest quality equipment currently available. Research Products Corporation is the largest manufacturer of whole house humidifiers, air cleaners and fresh air exchangers and is a recognized leader in the heating and air conditioning industry today.

Please be assured that in addition to product quality, we are also committed to unit performance as well as customer satisfaction. Your unit will require periodic maintenance to assure you of continued fine performance. Please proceed as shown on page 7 to obtain service parts and/or replacement Water Panel® evaporators.

Now, please take a few minutes and read the appropriate section of this booklet. This will familiarize you with the benefits you will receive from the equip- ment you just purchased and help you understand the routine maintenance that will be required. Be sure to register your warranty with us for our records and your protection. You may do so by returning the Warranty Information Card to us, or you can register online at: www.aprilaire.com/warranty.

Replacement Water Panel evaporators are available from your installing con- tractor or from most other local heating and air conditioning contractors in your area. However, if you still have difficulty in obtaining a replacement Water Panel evaporator, use the dealer locator in our web site (www.aprilaire.com) or look in the Yellow Pages under Humidifying Apparatus or Heating & Air Conditioning Contractors.