READ AND SAVE THESE INSTRUCTIONS ® AUTOMATIC HUMIDIFIER The Best Cure For Dryness® OWNER’S MANUAL FOR MODELS 448, 558, 568, 600, & 700 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 WARNING! 120 volts may cause injury from electrical...