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Auxiliary Operation
If the remote controller is lost or damaged, please use the auxiliary button to turn on or turn off
the air conditioner. Open the front panel of the unit and press the aux. button to turn on or turn
off the unit. When the unit is operated by the auxilliary button it will run only in auto mode.
Note: Auto mode operation - 77°F is the set temperature for cooling operation and 68°F is the set
temperature for heating operation. There is no adjustment available for auto mode operation.
WARNING:
Use an insulated object such as an electrician's screwdriver to press the aux. button.
Indoor Unit Maintenance
1. Clean the outer surface of the unit with a dry or damp cloth.
2. If there is residue, the unit may be cleaned with a mild detergent solution. Do not use chemical
solvents or flammable liquids to clean the surface of the unit. Wipe dry after cleaning with a soft
dry cloth.
3. Clean the filter a minimum of every three months. Clean more often if it is in an area that is
dusty or smoky.
4. Open the front outer panel of the indoor unit.
5. Remove the filter by grasping the edges and pulling downward.
6. Clean the filter using a vacuum or rinse under cool, clear water.
7. If the filter is very dirty, use warm water (below 115°F/ 45°C). A mild detergent should only
be used if the residue cannot be removed with warm water. Rinse the filter thoroughly
before allowing to air dry. If the filter cannot be adequately cleaned, contact your dealer for a
replacement filter.
8. Let the filter air dry to avoid warping. Do not dry the filter in direct sunlight.
9. Reinstall the filter into the clips and close the front panel.
1. After removing the filter, do not touch the evaporator fins to avoid injury.
2. Do not use fire, a hair dryer or any other source of heat to dry the filter to avoid a fire hazard
and warping.
88-M4MHW17-1B-EN
panel
WARNING
Installer's Guide
aux. button
41
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