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REQUIREMENT
[In Cooling operation]
• The operation starts after approximately 1 minute.
[In Heating operation]
• In heating operation, the fan operation may continue for approximately 30 seconds after the air condi-
tioner has stopped.
• The indoor fan continues in preheat operation for 3 to 5 minutes, and then blows out the hot air.
(
symbol is displayed on the remote controller.)
• When the temperature of the room has reached the set point temperature and after the unit has
stopped, the air speed is lowered and the air volume is greatly reduced.
• In defrost mode, the fan stops so that cool air is not discharged. PRE-DEF symbol
is displayed.
[In Automatic operation]
• Using the difference between the set point temperature and the room temperature, the heating and
cooling operations are automatically performed.
3-9. Adjustment of Wind Direction
To increase the cooling or heating effect, be sure to make proper use of the discharge louver for
cooling or heating operation.
As the characteristics of the air, cool air collects at lower levels, and hot air collects at higher levels.
CAUTION
Set the louver so that air blows out horizontally.
If cooling operation is performed with the louver blowing air downwards, the air outlet or surface of the
louver will be wet with dew, which may drip.
4-way Air Discharge Cassette Type
• While the air conditioner stops, the discharge louver directs downward automatically.
• When the heating operation is in PREHEAT/DEFROST
state, the louver is directed upward.
The rotation of the louver starts after PREHEAT/DEFROST
status cleared , is displayed
on the remote controller even if the heating operation is in PREHEAT/DEFROST
status.
[In Cooling operation]
Use the discharge louver with horizontal set point.
[In Heating operation]
Use the discharge louver with downward set point.
How to set up the air direction
Push
SWING/FIX
button.
1
Every push of the button, the air direction changes.
In Heating operation
Set the air outlet louver downward.
If directing it upward, the hot air may not reach the floor.
In Cooling / Dry operation
Set the air outlet louver upward.
If directing it downward, dew condensation may fall on or near the air discharge port.
How to start louvre swinging
2
Push
SWING/FIX
button.
Set the louver direction to the lowest
position, and then push
SWING/FIX
again.
• [SWING ] is displayed and the air direction
automatically changes upward/downward.
In cases where one remote controller controls
the multiple indoor units, each indoor unit can
be selected and its air direction can be set up.
How to stop louver swinging
3
Push
SWING/FIX
button again while the louver is
operating.
• The louver stops at a position when you push
SWING/FIX
. If pushing
SWING/FIX
again, the air direction
descends from the highest position.
* In COOL/DRY operation, the louver does not
stop at the lowest position.
If stopping the louver as it directs downward
during operation, it stops after moving to the
3rd position from the highest position.
4
UNIT
• Push
UNIT
to set up the air direction individu-
ally in each indoor unit.
Then the indoor unit No. in a group control is
displayed.
For the displayed indoor unit, set up the air
direction.
• If the unit No. is not displayed, all the indoor
units are operated at the same time.
• Every time is
UNIT
pushed, the display is
exchanged as follows:
Initial setup
Initial setup
ON / OFF
FAN
TEMP.
SWING/FIXTIME
MODE
VENT
UNITSET CL
FILTER
RESET
TEST
TIMER SET
In FAN operation
1, 2, 3 4
In all modes
Display when stopping the swing
Initial setup
Series of
operation
Fan/Heat
operation
Cool/Dry
operation
Unit No. 1-1No display Unit No. 1-2
Unit No. 1-4 Unit No. 1-3