10
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Maintenance and service
10.3 Maintenance before a long stop period
Installer and user reference guide
36
a Knob
2 Remove the suction grille. While keeping the suction grille open, unhook the
straps from the indoor unit. Then remove the clips (2 for class 35+50, 3 for
class 60~140) holding the suction grille.
a Strap
a
a Clip
3 Remove the air filter. Refer to
4 Clean the suction grille. Wash with a soft bristle brush and water or neutral
detergent. If the suction grille is very dirty, use a typical kitchen cleaner, leave
it on for 10 min, then wash it with water.
5 Reattach the air filter. Refer to
6 Reattach the suction grille and close it. (steps 2 and 1 in reverse order).
INFORMATION
When closing the suction grille, make sure the straps of the suction grille are not
pinched anywhere.
E.g., at the end of the season.
▪
Let the indoor units run in fan only operation for about half a day in order to dry
the interior of the units.
▪
Turn off the power. The user interface display disappears. When the main power
is turned on, the air conditioner will use some power, even if it is not operating.
a
a
"10.2.2 To clean the air
"10.2.2 To clean the air
4
filter" [
34].
4
filter" [
34].
FHA-A(9)
Split system air conditioner
4P708119-1 – 2022.11