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Cleaning And Care - Fujitsu Inverter 9374379446 Operating Manual

Floor/ceiling type
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● When used for extended periods, the unit may accumulate dirt inside, reducing its performance. We recommend that the unit
be inspected regularly, in addition to your own cleaning and care. For more information, consult authorized service personnel.
● When cleaning the unit's body, do not use water hotter than 40 °C, harsh abrasive cleansers, or volatile agents like benzene or thinner.
● Do not expose the unit body to liquid insecticides or hairsprays.
● If the unit will not be operated for a period of 1 month or more, be sure to allow the inner parts of the unit to dry thoroughly,
in advance, by operating the unit in fan mode for half a day.
Cleaning the Air Filter
1. Pull out both sides and the center of the
intake grille.
About 30 mm
Intake Grille
2. Pull the air fi lters upward to remove them.
Push the air fi lter handles away from the intake grille in di-
rection [A], then pull out the air fi lters.
3. Clean the air fi lters.
Remove the dust from the air fi lters by vacuuming or wash-
ing them. After washing, allow the air filters to dry thor-
oughly in an area protected from sunlight.
Filter Reset (ECONOMY Indicator Lamp fl ashing/ The special setting)
● Can be used if set correctly during installation.
Please consult authorized serviceman when using this function.
• It lights on when it is time to clean the air fi lters.
After turning the power on, press the MANUAL AUTO button
for 2 seconds or less on the indoor unit.
● Before cleaning the air conditioner, be sure to turn it off and disconnect the power supply cable.
● Be sure the intake grille is installed securely.
● When removing and replacing the air fi lters, be sure not to touch the heat exchanger, as personal
injury may result.
Side Panel
Air Filter
Intake Grille
4. Re-attach the air fi lters to the intake grille.
(1) The air fi lters fi t onto the inside of the intake grille. (Figure 1)
(2) The bottom edges of the air fi lters should fi t into the fi lter
brackets. (Figure 1)
(3) The air fi lters should be pushed down so that their top
edges fi t under the projections at the top of the intake
grille. (Figure 2)
Air Filter
(Figure 1)
Filter bracket
5. Push in both sides and the center of the
intake grille.
● Dust can be cleaned from the air fi lter either with a vacuum
cleaner, or by washing the fi lter in a solution of mild deter-
gent and warm water. If you wash the fi lter, be sure to allow
it to dry thoroughly in a shady place before reinstalling.
● If dirt is allowed to accumulate on the air fi lter, air fl ow will
be reduced, lowering operating efficiency and increasing
(Figure 2)
: Flashing


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Floor/ceiling type