Care And Maintenance - ComfortStar AHU18-M Owner's Manual & Installation Manual

Air-handler air conditioners
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Care and Maintenance

Cleaning Your Indoor Unit
BEFORE CLEANING OR
MAINTENANCE
ALWAYS TURN OFF YOUR AIR CONDITIONER
SYSTEM AND DISCONNECT ITS POWER SUPPLY
BEFORE CLEANING OR MAINTENANCE.
Contact an authorized service technician for
repair or maintenance. Improper repair and
maintenance may cause water leakage,
electrical shock, or re, and may void your
warranty.
DO NOT substitute a blown fuse with a
higher or lower amperage rating fuse, as this
may cause circuit damage or an electrical re.
Make sure the drain hose is set up according
to the instructions. Failure to do so could
cause leakage and result in personal property
damage, re and electric shock.
Make sure that all wires are connected
properly. Failure to connect wires according
to instructions can result in electrical shock
or re.
CAUTION
Only use a soft, dry cloth to wipe the unit clean.
If the unit is especially dirty, you can use a cloth
soaked in warm water to wipe it clean.
Do not use chemicals or chemically treated
cloths to clean the unit
Do not use benzene, paint thinner, polishing
powder or other solvents to clean the unit.
They can cause the plastic surface to crack
or deform.
Do not use water hotter than 40°C (104°F)
to clean the front panel. This can cause the
panel to deform or become discolored.
DO NOT wash the unit under running water.
Doing so creates an electrical hazard.
Clean the unit using a damp, lint-free cloth
and neutral detergent. Dry the unit with a
dry, lint-free cloth.
Page 10
WARNING: DO NOT REMOVE OR
CLEAN THE FILTER BY YOURSELF
Removing and cleaning the filter can be dangerous.
Removal and maintenance must be performed by
a certified technician.
How To Clean The Air Filter
The lter prevents dust and other particles from
entering the indoor unit. Dust buildup can reduce
the e ciency of the air conditioner. For optimum
e ciency, clean the air lter every two weeks or
more frequently if you live in a dusty area.
Replace the lter with a new one if it's heavily
clogged and cannot be cleaned.
NOTE: In households with animals, you will have
to periodically wipe down the grille to prevent
animal hair blocking air ow.
This product lter is only used for energy e ciency
, the user needs to use a lter that
sampling test
meets the requirements of UL900.
1. Remove lter cover plate.
2. Remove the air lter.
3. Clean the air lter by vacuuming the surface or
washing it in warm water with mild detergent.
If using water, the inlet side
should face down and away
from the water stream.
Air lter
cover plate
Air lter
If using a vacuum cleaner,
the inlet side should face
the vacuum.

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