Maintenance - COMFORT-AIRE PE-91A PE-121A Owner's Manual

11.
MAKE SURE POWER SUPPLY IS SWITCHED OFF AND THE PLUG IS
PULLED OUT OF THE POWER OUTLET BEFORE ANY MAINTENANCE IS
PERFORMED.
• Do not immerse the unit in water or other liquids.
• Do not pour liquids onto the unit.
Clean the Filter
If the filter is blocked with dust, the airflow volume will reduce and the cooling
effect will be reduced.
• It is recommended to clean the filter once every two weeks or as
needed.
• Remove the filter from the back of the unit by pulling straight up. Wash
the filter gently with warm water (about 104°F.)
• Dry it thoroughly and then place it back into the product.
• Do not bend the filter.
Clean Exterior Surface of the Unit
• Clean with a damp sponge.
• Dry it with a clean, soft cloth.
• Never use alcohol or any product containing solvents.
Long-Term Storage
At the end of the season, or when you do not plan to use the unit for an
extended period of time, we recommend that you take the following steps:
1. Drain water from the lower drain port.
2. Clean the filter.
3. Store the power cord
Heat Controller, Inc.

MAINTENANCE

19
1900 Wellworth Avenue
Upper Drain Port
Lower Drain Port
Jackson, MI 49203