Adjustment Of Air Direction; How To Start Swing; How To Stop Swing; How To Set Up The Air Direction - Toshiba Super MMU-AP0091H Service Manual

3-13. Adjustment of Air Direction

To increase the cooling/heating efficiency,
be sure to make proper use of the discharge
flap for cooling or heating operation.
As the characteristics of air, cool air collects at
lower levels, and hot air collects at higher levels.
[4-way Air Discharge Cassette Type]
In cooling operation
• Use the discharge
flap with horizontal
set point.
• When the air conditioner stops, the flap (adjustment plate of up/down air direction) directs downward auto-
matically.
• When the heating operation is in READY states, the flap (adjustment plate of up/down wind direction) directs
upward. The swinging starts after HEAT READY status cleared, SWING
ler even if the heating operation is in READY status.

How to set up the air direction

1
Push during operation.
The air direction changes for every push of the button.
In HEAT operation
Direct the flap (adjustment plate of up/down air
direction) downward. If directing at upward, hot
air may not come to the foot.
In COOL/DRY operation
Direct the flap (adjustment plate of up/down air
direction) upward. If directing it downward, the
dew may from on the surface of the air dis-
charge port and may drop down.

How to start swing

2
Push , set the flap (adjustment plate of up/down
air direction) direction to the lowest position, and then
push again.
SWING is displayed and the up/down wind direction is
automatically selected.

How to stop swing

3
Push SWING/WIND again while the flap is swing.
• The flap stops at a position when you push. After then, if pushing
the highest position.
• In COOL/DRY operation, the flap does not stop as it directs downward. If stopping the flap as it directs
downward during swing operation, it stops after moving to the 3
4
Auto flap button
• Push to set up the air direction individually in each indoor unit.
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 pushing
UNIT
UNIT
, the display is exchanged as follows:
Set the flap so that air blows out horizontally.
If cooling operation is performed with the flap blowing air
downwards, the air outlet or surface of the flap will be
wet with dew, and dewdrop may fall down.
In heating operation
• Use the discharge
flap with downward
set point.
Initial setup
1, 2, 3
In FAN operation
Initial setup
rd
position from the highest position.
42
CAUTION
is displayed on the remote control-
UNIT
SET CL
In all modes
Initial setup
Display when stopping the swing
Fan/Heat
operation
, the air direction descends from
No Unit No.
display 1-1
Unit No. Unit No.
1-4 1-3
4
Series of
operation
Cool/Dry
operation
Unit No.
1-2