Toshiba MMU-AP0091H service manual Adjustment of Wind Direction, How to set up the air direction

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

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.

Initial setup

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.

cooling operations are automatically performed.

How to start louvre swinging

2 Push SWING/FIX button.

	Initial setup
TEMP.	ON / OFF

39

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.

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

	TIMER SET
	TIME
FILTER
RESET TEST	SET CL

1, 2, 3

FAN MODE

SWING/FIX VENT

UNIT

4

3 Push SWING/FIX button again while the louver is operating.

In FAN operation In all modes

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.

•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:

Series of operation

Initial setup

Display when stopping the swing

Fan/HeatCool/Dry

operationoperation

No display Unit No. 1-1 Unit No. 1-2

Unit No. 1-4 Unit No. 1-3