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7 Maintenance and service
7.2
Cleaning the air filter and air outlet
CAUTION
Turn off the unit before cleaning the air filter and air outlet.
NOTICE
▪ Do NOT use gasoline, benzene, thinner polishing
powder or liquid insecticide. Possible consequence:
Discoloration and deformation.
▪ Do NOT use water or air of 50°C or higher. Possible
consequence: Discoloration and deformation.
7.2.1
To clean the air filter
When to clean the air filter:
▪ Rule of thumb: Clean every 6 months. If the air in the room is
extremely contaminated, increase the cleaning frequency.
▪ Depending on the settings, the user interface can display the
"Time to clean filter" notification. Clean the air filter when the
notification displays.
▪ If the dirt becomes impossible to clean, change the air filter
(= optional equipment).
How to clean the air filter:
1 Remove the filter fixing screw. In case of installation without
duct on the suction side, remove the filter fixing screw.
2 Remove the air filter. Pull its cloth upward (in case of rear
suction) or backward (in case of bottom suction).
rear suction
2
2
1
1×
3 Clean the air filter. Use a vacuum cleaner or wash with water.
If the air filter is very dirty, use a soft brush and neutral
detergent.
4 Dry the air filter in the shadow.
5 Re-attach the air filter. Align the 4 hanger brackets and push
the 4 clips in their place and pull the cloth if necessary.
6 Confirm that all hangers are fixed.
7 Re-install the filter fixing screw. In case of installation without
duct on the suction side, re-install the filter fixing screw.
rear suction
1
1
2
1×
Installation and operation manual
12
7.2.2
Clean with a soft cloth. If it is difficult to remove stains, use water or
a neutral detergent.
7.3
This product contains fluorinated greenhouse gases. Do NOT vent
gases into the atmosphere.
Refrigerant type: R32
Global warming potential (GWP) value: 675
bottom suction
1×
1
2
2
bottom suction
1×
2
1
1
8 In case of bottom suction with duct, close the protective guard.
In case of rear suction with duct, close service duct opening.
9 Turn ON the power.
10 To remove warning screens, see the reference guide of the
user interface.
To clean the air outlet
WARNING
Do
NOT
let
the
indoor
consequence: Electrical shock or fire.
About the refrigerant
NOTICE
Applicable legislation on fluorinated greenhouse gases
requires that the refrigerant charge of the unit is indicated
both in weight and CO
equivalent.
2
Formula to calculate the quantity in CO
tonnes: GWP value of the refrigerant × total refrigerant
charge [in kg] / 1000
Please contact your installer for more information.
WARNING: MILDLY FLAMMABLE MATERIAL
The refrigerant inside this unit is mildly flammable.
WARNING
The appliance shall be stored in a room without
continuously operating ignition sources (example: open
flames, an operating gas appliance or an operating electric
heater).
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
▪ The refrigerant inside the unit is mildly flammable, but
normally does NOT leak. If the refrigerant leaks in the
room and comes in contact with fire from a burner, a
heater, or a cooker, this may result in fire, or the
formation of a harmful gas.
▪ Turn OFF any combustible heating devices, ventilate
the room, and contact the dealer 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.
unit
get
wet.
Possible
equivalent
2
FXMA-A
VRV system air conditioner
3P680922-1A – 2022.01
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