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8 Troubleshooting
4 Dry the air filter in the shadow.
5 Reattach the air filter and close the suction grille.
6 Turn ON the power.
7 To remove warning screens, see the reference guide of the
user interface.
7.2.3
To clean the suction grille
1 Open the suction grille. Simultaneously slide all knobs (2 for
class 35+50, 3 for class 60~140) in the direction of the arrow
and carefully open the suction grille.
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
filter" [ 4 11].
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
filter" [ 4 11].
Installation and operation manual
12
a
a
"7.2.2 To clean the air
"7.2.2 To clean the air
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.
7.3
About the refrigerant
This product contains fluorinated greenhouse gases. Do NOT vent
gases into the atmosphere.
Refrigerant type: R32
Global warming potential (GWP) value: 675
Refrigerant type: R410A
Global warming potential (GWP) value: 2087.5
NOTICE
Applicable legislation on fluorinated greenhouse gases
requires that the refrigerant charge of the unit is indicated
both in weight and CO
2
Formula to calculate the quantity in CO
tonnes: GWP value of the refrigerant × total refrigerant
charge [in kg]/1000
Contact your installer for more information.
WARNING: MILDLY FLAMMABLE MATERIAL
The R32 refrigerant (if applicable) in this unit is mildly
flammable. Refer to the outdoor unit specifications for the
type of refrigerant to be used.
WARNING
The appliance using R32 refrigerant shall be stored so as
to prevent mechanical damage and in a well-ventilated
room without continuously operating ignition sources (e.g.
open flames, an operating gas appliance, or an operating
electric heater). The room size shall be as specified in the
General safety precaution.
WARNING
▪ Do NOT pierce or burn refrigerant cycle parts.
▪ Do NOT use cleaning materials or means to accelerate
the defrosting process other than those recommended
by the manufacturer.
▪ Be aware that the refrigerant inside the system is
odourless.
WARNING
▪ R410A is a non-combustible refrigerant, and R32 is a
mildly flammable refrigerant; they normally do NOT
leak. If the refrigerant leaks in the room and comes into
contact with fire from a burner, a heater, or a cooker,
this may result in a fire (in case of R32), or the
formation of a harmful gas.
▪ Turn OFF any combustible heating devices, ventilate
the room, and contact the dealer from where you
purchased the unit.
▪ Do NOT use the unit until a service person confirms
that the part from which the refrigerant leaked has been
repaired.
8
Troubleshooting
If one of the following malfunctions occur, take the measures shown
below and contact your dealer.
equivalent.
equivalent
2
FHA-A(9)
Split system air conditioner
3P668115-4E – 2022.11
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