11 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.
!
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.
11.1 DAILY MAINTENANCE
11.1.1
Cleaning air filter
Clean the air filter when the filter sign is turned ON.
1
Open the flat panel.
Hold the both sides of flat panel and pull up.
(v)
2
Remove the air filter.
Lift up the air filter, detach the catches from the indoor unit
and remove the air filter downward.
(vi)
3
Clean the air filter.
•
Vacuum the dust by a cleaner, or wash the air filter by water
or neutral detergent.
•
Dry the air filter in the shade
?
N O T E
•
Do not use hot water more than 50ºC. The air filter may be deformed
by heat.
•
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 flat panel pressing 3 parts.
?
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.
• PC-ARF(P)(1)(E)
?
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 “Reset filter sign time” from the menu and press “OK”.
The confirmation screen will be displayed.
Menu
Power Saving Setting
Elevating Grille
Operation Schedule
Reset Filter Sign Time
01
/
05
Simple Timer
15:10(Fri)
Entr
Rtrn
Sel.
Back
OK
•
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.
Back
OK
Reset filter sign time
?
Reset Filter Sign Time
Yes
No
Sel.
Entr
Rtrn
Filter Usage Time :
120h
• PC-AWR
Point the transmitter toward the receiver and press “RESET”
switch. The filter sign of unit is turned OFF and the next filter
cleaning will be accumulated.
11.1.2
Maintenance for flat panel
?
N O T E
•
Use a soft cloth to clean the flat panel. If bengine, thinner or detergent (with surfactant) is used to clean, the resin part may be changed color or
deformed. In addition, pay attention that the parts around the air outlet (louver, guide, etc.) may be damaged if an excessive force is applied.
•
The flat panel can be removed and cleaned. Remove it by both hands.
MAINTENANCE
PMML0498 rev.1 - 11/2018 - P5417093
8
