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Idiomas disponibles
Idiomas disponibles
MAINTENANCE
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Cooling of indoor unit
When the heating operation is stopped, the indoor fan
operation is maintained at the slow position for the maximum
of 2 minutes to lower temperature of the inside unit.
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Prevention of overload operation
When the outdoor temperature is high (approx. 21ºC)
during heating operation, heating operation is stopped due
to activation of the outdoor thermistor until the temperature
8 MAINTENANCE
!
D A N G E R
•
Turn OFF the power source before the maintenance work. If not, it
may cause a fire or an electric shock.
•
Perform the maintenance work with stable footing. If not, it may cause
falling or injury.
8.1 DAILY MAINTENANCE
8.1.1 Cleaning air filter
Clean the air filter when the filter sign
1 Open the air inlet grille.
Press and slide the cover of the air inlet grille in the direction
of the arrow with fingers in the holes on the cover.
2 Remove the air filter.
Push the air filter toward arrow direction to unhook it from the
air inlet grille, and remove the air filter.
Air filter
Lift up the air filter.
6
PMML0551 rev.4 - 07/2023 - A10762310A
is turned ON.
FLTR
Holes
(2 or 3 portions)
Air inlet grille
Upper side
Catch
Lower side
Catch
becomes low.
?
N O T E
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This air conditioner is used hot air circulation system for the heating
operation. If the air conditioning room is large or the room temperature
is excessively low, it takes time to warm the whole room. "HOT-ST"
will be turned OFF after heating the room.
•
"HOT-ST" may by displayed during or right after the defrosting
operation. It is activated to prevent the cold draft. It is NOT abnormal.
!
C A U T I O N
When the flat panel is opened (closed) or the air filter is attached
(removed), perform the work according to this operation manual. If not, it
may cause falling or injury.
?
N O T E
Do not operate the system without the air filter to protect the indoor unit
heat exchanger against being clogged.
3 Clean the air filter.
•
Vacuum the dust by a cleaner, or wash the air filter by water
or neutral detergent.
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Dry the air filter in the shade (it is to prevent the air filter from
degradation by ultraviolet).
?
N O T E
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Do not use hot water more than 50ºC. The air filter may be deformed
by heat.
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Do not dry the air filter by an open fire, a dryer or a heater. The air
filter may be deformed.
4 Attach the air filter.
After the air filter is dried, correctly attach it with "FRONT"
indication frontward to the indoor unit.
5 Close the air inlet grille.
?
N O T E
Be sure to attach the air filter. If the indoor unit is operated without the air
filter, it may cause malfunction of the indoor unit.
6 Reset the filter sign.
?
N O T E
If the accumulated time of filter cleaning is not got to setting time, the
indication "
" is turned ON and "Setting disabled" will be displayed.
•
Press "
" (menu).
Select "Filter sign reset" from the menu and press "OK". The
confirmation screen will be displayed.
•
Select "Yes" by pressing "◄ ◄ " or "►" and press "OK". The
indication of "FLTR" will be turned OFF and the screen will
return to the normal mode.
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