Aprilaire 600A Table Of Contents, Introduction, volts may cause injury from electrical shock

TABLE OF CONTENTS

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 Principle of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 Operating Instructions – Models 400A, 400M, 500A, 600A & 700A . . . . .4

• Automatic Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

• Manual Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 Operating Instructions – Models 350, 360, 500M, 600M & 700M . . . . . .9 Check the Humidifier Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9 Additional Information for All Models . . . . . . . . . . . . . . . . . . . . . . . . . . . .10 Effect of Water Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10 Annual Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11 Annual Summer Shutdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12 Periodic Preventative Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

MAINTENANCE INSTRUCTIONS

Models 350 & 360 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14

Models 400A & 400M . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

Models 500A & 500M . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

Models 600A & 600M . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

Models 700A & 700M . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17

Limited Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18

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 the Aprilaire Humidifier Control to “OFF” or lowest setting before servicing.

INTRODUCTION

Thank you for your recent Aprilaire® humidifier purchase. We appreciate your business and are pleased to add your name to our growing list of customers. You have invested in the highest quality equipment available. Aprilaire manufactures whole-house indoor air quality products and is a recognized leader in the heating and air conditioning industry.

Your humidifier will require periodic maintenance to assure continued fine performance. See page 11 to obtain service parts and/or replacement Water Panel® evaporators.

Now, please take a few minutes and read this booklet. This will familiarize you with the benefits you will receive from the equipment you just purchased and help you understand the routine maintenance that will be required.

Be sure to register your humidifier warranty online at:

www.aprilaire.com/warranty.

Genuine Aprilaire Replacement Water Panel® evaporators are available from your installing contractor or from most other heating and air conditioning contractors in

your area. 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. Purchase only genuine Aprilaire Water Panels to maintain peak performance.

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