Off-Season Shut Down Procedure - Aprilaire 1150 Installation, Operation And Maintenance Manual

Off-SEASON SHUT DOwN PROCEDURE

Perform steam chamber cleaning and humidifier maintenance at the end of the humidification season .
• I f softened water is used, the steam chamber may not need cleaning until after several humidification seasons.
• I MPORTANT: The steam chamber should be removed after the first season of use to observe the amount of
collected minerals in the chamber.
• I f there is more than ½" (13 mm) of minerals in the steam chamber after one season of use, clean the chamber annually.
• I f it is determined that cleaning is necessary every two or three seasons, then the only off-season shut-down procedure
required is to turn the demand for humidity down to the minimum setting .
• T he steam chamber will go into an end-of-season drain after 72 hours without a demand for humidity.
• W hen humidification is desired, turn the demand up to the desired set point and the system will start up.
38