Aprilaire 448 - Manual

READ AND SAVE THESE INSTRUCTIONS
Includes Safety, Operating and Maintenance
Instructions and Warranty
TABLE OF CONTENTS
PAGE
Introduction ................................................Inside Front Cover
Principle of Operation ............................................................1
Operating Instructions
•Automatic Mode................................................................3
•Manual Mode ....................................................................5
Effect of Water Characteristics ..............................................7
Annual Maintenance ..............................................................8
Annual Summer Shutdown ....................................................8
Periodic Preventative Maintenance .......................................8
MAINTENANCE INSTRUCTIONS
Models 448, 558 & 568 ..............................................10, 12
Model 600 ........................................................................13
Model 700 ........................................................................14
Limited Warranty..................................................................15
Replacement Record ............................................Back Cover
AUTOMATIC HUMIDIFIER
The Best Cure For Dryness ®
®
FOR MODELS 448, 558, 568, 600, & 700
OWNER’S MANUAL