16 Maintenance and service
Installer and user reference guide
27
FFA25~60A2VEB(9)
Split system air conditioners
4P550955-4 – 2018.08
BYFQ60C
90°
3
Remove the air filter.
BYFQ60B
BYFQ60C
1
3
3
2
3
3
1
2
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 (step 3 in reverse order).
6
Reattach the suction grille and close it (step 2 and 1 in reverse
order).
16.1.3
To clean the air outlet and outside panels
WARNING
Do NOT let the indoor unit get wet.
Possible
consequence:
Electric shock or fire.
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.
▪ Do NOT scrub firmly when washing the blade with
water.
Possible consequence:
The surface sealing
peels off.
Clean with a soft cloth. If it is difficult to remove stains, use water or
neutral detergent.
16.2
Maintenance after a long stop
period
E.g., at the beginning of the season.
▪ Check and remove everything that might be blocking inlet and
outlet vents of indoor units and outdoor units.
▪ Clean air filters and casings of indoor units (see
"16.1.1 To clean
the air filter" on page 26
and
"16.1.3 To clean the air outlet and
outside panels" on page 27
).
▪ Turn on the power at least 6 hours before operating the unit in
order to ensure smoother operation. As soon as the power is
turned on, the user interface display appears.
16.3
Maintenance before a long stop
period
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. Refer to
"14.2.2 About
cooling, heating, fan only, and automatic operation" on page 24
for details on fan only operation.
▪ Turn off the power. The user interface display disappears.
▪ Clean air filters and casings of indoor units (see
"16.1.1 To clean
the air filter" on page 26
and
"16.1.3 To clean the air outlet and
outside panels" on page 27
).
16.4
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
In Europe, the
greenhouse gas emissions
of the total
refrigerant charge in the system (expressed as tonnes CO
2
equivalent) is used to determine the maintenance intervals.
Follow the applicable legislation.
Formula to calculate the greenhouse gas emissions:
GWP value of the refrigerant × Total refrigerant charge [in
kg] / 1000
Please contact your installer for more information.
WARNING: 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
▪ 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 don’t 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.
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