9
English
When the timer is programmed to stop the system
after 3 hours and start the system after 4 hours,
the system will stop after 3 hours and then 1 hour
later the system will start.
After the timer is programmed, the display shows
•
the remaining time.
Press the TIMER ON/OFF button once again to
•
cancel programming. The display vanishes.
OPTIMUM OPERATION
7.
Observe the following precautions to ensure the
system operates.
Adjust the room temperature properly for a com-
•
fortable environment. Avoid excessive heating or
cooling.
Prevent direct sunlight from entering a room
•
during cooling operation by using curtains or
blinds.
Ventilate the room regularly.
•
Using the unit for long periods of time requires
attentive ventilation of the room.
Keep doors and windows closed. If the doors
•
and windows remain open, room air will fl ow out
and cause to decrease the effect of cooling and
heating.
Do not place other heaters directly below the
•
indoor unit.
They may deform due to the heat.
Never place objects near the air inlet and the air
•
outlet of the unit. It may cause deterioration in
the effect or stop in the operation.
Turn off the main power supply switch when it is
•
not used for long periods of time. When the main
power switch is turned on, some watts of elec-
tricity is being used even if the system is not
operating. Turn off the main power supply switch
for saving energy. When reoperating, turn on the
main power supply switch 6 hours before opera-
tion for smooth running (Refer to MAINTE-
NANCE).
When the display shows “
•
”, ask a qualifi ed
service person to clean the fi lters (Refer to
MAINTENANCE).
Fully use the function of air fl ow direction adjust.
•
Cold air gathers on the fl oor, and warm air gath-
ers in the ceiling.
Set the air fl ow direction parallel during cooling
or dry operation, and set it downwards during
heating operation.
Do not let the air blow directly to a person.
MAINTENANCE
8.
(FOR SERVICE PERSONNEL)
NOTE
Do not remove the air fi lter except when clean-
•
ing.
This may cause breakage.
HOW TO CLEAN THE AIR FILTER
Clean the air fi lter when the display shows “
”
(TIME TO CLEAN AIR FILTER).
Increase the frequency of cleaning if the unit is
•
installed in a room where the air is extremely
contaminated.
Open the front panel.
1.
Place your fi ngers on the protrusions on the
left and right sides of the front panel and open
until the panel stops.
Pull out the air fi lter.
2.
Push up the tab in the center of the air fi lter
slightly then pull it out downwards.
Clean the air fi lter.
3.
Use a vacuum cleaner
A)
or wash the air fi lter
with water
B)
.
A)
Using a vacuum cleaner
B)
Washing with water
When the air fi lter is very dirty, use
soft brush and neutral detergent
Remove water and dry in the
shade.
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12/24/2008 2:47:04 PM
12/24/2008 2:47:04 PM
