Filter
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FILTER
Indicates that the filter needs cleaning.
Clean the filter.
When resetting “FILTER” display
When the [FILTER] button is pressed two times successively after
cleaning the filter, the display goes off and is reset.
Note:
When two or more different types of indoor unit are controlled, the
cleaning period differs with the type of filter. When the master unit
cleaning period arrives, “FILTER” is displayed. When the filter display
goes off, the cumulative time is reset.
“FILTER” indicates the cleaning period when the air conditioner was used
under general indoor air conditions by criteria time. Since the degree
of dirtiness depends on the environmental conditions, clean the filter
accordingly.
The filter cleaning period cumulative time differs with the model.
This indication is not available for wireless remote controller.
Cleaning the filters
• Clean the filters using a vacuum cleaner. If you do not have a vacuum
cleaner, tap the filters against a solid object to knock off dirt and dust.
• If the filters are especially dirty, wash them in lukewarm water. Take
care to rinse off any detergent thoroughly and allow the filters to dry
completely before putting them back into the unit.
Caution:
• Do not dry the filters in direct sunlight or by using a heat source,
such as an electric heater: this may warp them.
• Do not wash the filters in hot water (above 50°C), as this may
warp them.
• Make sure that the air filters are always installed. Operating the
unit without air filters can cause malfunction.
Caution:
• Before you start cleaning, stop operation and turn OFF the power
supply.
• Indoor units are equipped with filters to remove the dust of sucked-
in air. Clean the filters using the methods shown in the following
sketches.
10. Care and Cleaning
Caution:
• In removing the filter, precautions must be taken to protect your
eyes from dust. Also, if you have to climb up on a stool to do the
job, be careful not to fall.
• When the filter is removed, do not touch the metallic parts inside
the indoor unit, otherwise injury may result.
1 Using both hands, pull both the bottom corners of the inlet grille to
open the grille, then lift the filter until it clicks at the stop position.
2 Hold the knobs on the filter and pull the filter up, then pull it out
downward.
(Located in two places, on the left and right.)
A Front grille
B Filter
B
A
9. Emergency Operation for Wireless Remote-controller
B
A
E
C
D
Starting operation
• To operate the cooling mode, press the
button C for more than 2
seconds.
• To operate the heating mode, press the button D for more than 2
seconds.
Note:
Details of emergency mode are as shown below.
Details of EMERGENCY MODE are as shown below.
Operation mode COOL HEAT
Set temperature 24°C, 75°F 24°C, 75°F
Fan speed High High
Airflow direction Horizontal Downward 4
Stopping operation
• To stop operation, press the button C or the button D for more
than 2 seconds.
When the remote controller cannot be used
When the batteries of the remote controller run out or the remote
controller malfunctions, the emergency operation can be done using the
emergency buttons on the grille.
A DEFROST/STAND BY lamp
B Operation lamp
C Emergency operation cooling switch
D Emergency operation heating switch
E Receiver