Features; Auto Restart; Anti-Mildew; Louver Angle Memory - Lennox MCA Series User Manual

Features

Auto Restart

If the unit loses power, it will automatically restart with the
prior settings once power has been restored.

Anti-Mildew

When turning off the unit from COOL or DRY modes, the air
conditioner will continue operate at very low power to dry up
condensed water and prevent mildew growth.

Louver Angle Memory

When turning on your unit, the louver will automatically
resume its former angle operation.

Refrigerant Leakage Detection

The indoor unit will automatically display "EC" when it
detects refrigerant leakage. For a detailed explanation of
your unit's advanced functionality (such as TURBO mode
and its self-cleaning functions), refer to "Operation (Wireless
Remote Controller)" on page 4.

Louver Adjustment

IMPORTANT
DO NOT adjust the louvers by hand. Louvers are
adjustable only by using the furnished wireless remote
controller or optional wired controller.
Use the furnished wireless remote control or optional wired
controller to set the position of the discharge air louvers.
The louvers may be set to automatically swing between
the outward and downward positions, OR you may set the
louvers so that they are stationary in a single position. It is
always recommended to direct the ho rizontal discharge air
louvers outward while cooling.
Auto-swing operation
Set louvers to swing up and down automatically.
Figure 2. Louver Operation
Cooling operation
Set horizontal louvers outward.
Refer to the wireless remote control section on using the
swing and direct buttons.

Return Air Filters

Blocked or dirty return air filters affect system oper ation and
efficiency. Air filters should be checked monthly in order to
ensure proper air flow to the in door unit. It may be necessary
to check the filter more frequently if the unit is installed in an
area with a large amount of dust.
The filter may be removed and cleaned, or it should be
replaced with a filter of like kind and size if it is impossible
to clean the filter.

Cleaning Return Air Filters

Check return air filters every two weeks and clean as
necessary. Lift the front panel of the indoor unit.
1. Grip the tab on the end of the filter, lift it up, then pull it
towards yourself.
2. Pull the filter out.
3. Clean the return air filters with warm soapy water. Use
only mild detergent.
Filter Tabs
Figure 3. Filter Removal and Service
4. Rinse the return air filter with fresh water and then shake
off excess water.
5. Dry filter in a cool and dry place. Refrain from exposing
filter to direct sunlight.
6. Slid return air filters back into the indoor unit.
7. Close the front panel.
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