User's Manual

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 8 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.
TABLE OF CONTENTS
Principle of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Operating Instructions – Models 400, 600 & 700
• Automatic Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
• Manual Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Operating Instructions – Model 500 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Effect of Water Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Annual Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Annual Summer Shutdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Periodic Preventative Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
MAINTENANCE INSTRUCTIONS
Model 400 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Model 500 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Model 600 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Model 700 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Limited Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
TABLE OF CONTENTS
TABLE OF CONTENTS
INTRODUCTION
CAUTION
Sudden operation may cause personal
injury or property damage. Turn the
Aprilaire Humidifier Control to “OFF”
or lowest setting before servicing.
WARNING
120 volts may cause injury from
electrical shock. Disconnect power
and shut off water supply before
servicing.
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.