10
Maintenance
WARNING!
Turn off all power to unit at unit disconnect switch or
circuit breaker before performing any maintenance
procedures! Failure to follow this warning could
lead to personal injury or death.
Coil fins are very sharp! Take care not to touch the fins
in order to avoid injury.
Indoor Unit Filters
The indoor unit filter should be cleaned every three months,
or more frequently, if necessary.
Follow the steps below and in the illustrations to clean the
filters.
1 −
Pivot indoor unit front panel out and up to access filters.
2 −
Gently pull each filter outward, then down to remove the
filters from the unit
3 −
Use a vacuum cleaner to remove dust and dirt from
each filter or wash the filters with warm water and a mild
detergent. Rinse filters thoroughly with clean water and
set aside to air dry.
CAUTION!
Do not use hot water to clean the filters. Exposure to
water temperatures above 113°F (45°C) will damage
filter media and frame.
4 −
Reinsert clean, dry filters and close unit front panel. Re-
store power to unit.
1
2
3
4
Indoor Unit
Check to make sure that there are no objects on top of unit or around unit that may be ob-
structing air flow. Check to make sure that indoor unit and wall bracket are secure and have
not been damaged. Use a clean, dry cloth to gently remove dust from the outer surface of the
indoor unit. The cloth may be slightly dampened with warm water, if necessary. Do not use
soap or other cleaners.
CAUTION!
Hot water, soaps or other cleaning agents may damage indoor unit cabinet or display
panel. Do not use hot water (above 113°F [45°C]). Cloth must be damp only −− NEVER
WET to avoid damage to display. Do not use soap or other cleaning agents (window
cleaner, abrasive cleansers, etc.) to clean the indoor unit cabinet.
Outdoor Unit
Check to make sure that there are no objects on top of unit or around unit that may be ob-
structing air flow. If the outdoor unit is installed on a wall bracket, make sure that bracket is
secure and has not been damaged. Use a clean, slightly dampened cloth to gently remove
dust from the outer surface of the outdoor unit. Do not use soap or other cleaners and DO
NOT spray water into unit.
WARNING!
SHOCK HAZARD! DO NOT SPRAY water into outdoor unit. Failure to follow this warn-
ing could lead to electrical shock, resulting in personal injury or death.