Service manual

SiUS12-928_B CTXS-L, FTXS-L Series
Operation Manual 94
FTXS15/18LVJU
 To adjust the airflow rate setting
Press .
• Each pressing of advances the airflow rate setting in sequence.
Auto Indoor unit quiet Low Middle low
MiddleMiddle highHigh
NOTE
 Notes on the angles of the louvers
• The louvers swinging range depends on the operation. (See the figure.)
COOL and DRY operation HEAT operation FAN operation
Upper limit
COMFORT AIRFLOW
Lower limit
Stop operation
Stop operation
Upper limit
Lower limit
COMFORT AIRFLOW
Upper limit
Lower limit
Stop operation
10˚
15˚
50˚
30˚
70˚
75˚
15˚
70˚
 Note on 3-D airflow
 Note on airflow rate setting
• At smaller airflow rates, the cooling (heating) effect is also smaller.
CAUTION
• When the airflow is set to “ ”, indoor unit quiet operation will start and the noise
from the unit will become quieter.
• In indoor unit quiet operation, the airflow rate is set to a weak level.
• In DRY operation, the airflow rate setting is not variable.
• Using 3-D airflow circulates cold air, which tends to collected at the bottom of the room, and hot air, which tends to collect near the ceiling,
throughout the room, preventing areas of cold and hot developing.
• Always use a remote controller to adjust the angles of the louvers and fins. If you attempt to move the louvers and fins forcibly with hand when they
are swinging, the mechanism may be broken.
• Always use a remote controller to adjust the fins angles. Inside the air outlet, a fan is rotating at a high speed.
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