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12.4 Airflow Direction
There are two types of airflow, vertical airflow (directed by horizontal vane) and horizontal airflow (directed by
vertical vanes).
Control of airflow direction can be automatic (angles of direction is determined by operation mode, heat
exchanger temperature and intake air temperature) and manual (angles of direction can be adjusted using
remote control).
12.4.1 Vertical Airflow
Vane Angle (°)
Operation Mode
1 2 3 4 5
Usual (Ventilation) 10 ~ 40
Auto
Control with dew 10 ~ 40
Usual (Ventilation) 10 17.5 25 32.5 40
Cooling
Manual
Control with dew 10 17.5 25 32.5 40
Usual 10 ~ 40
Auto
Control with dew 10 ~ 40
Usual 10 17.5 25 32.5 40
Dry
Manual
Control with dew 10 17.5 25 32.5 40
Heating Manual Usual 10 21.2 32.5 43.8 55
1 Automatic vertical airflow direction can be set using remote control; the vane swings up and down within the
angles as stated above. For heating mode operation, the angle of the vane depends on the indoor heat
exchanger temperature as Figure 1 below. It does not swing during fan motor stop. When the air conditioner
is stopped using remote control, the vane will shift to close position.
2 Manual vertical airflow direction can be set using remote control; the angles of the vane are as stated above
and the positions of the vane are as Figure 2 below. When the air conditioner is stopped using remote control,
the vane will shift to close position.
12.5 ON Timer Control
ON timer can be set using remote control, the unit with timer set will start operate earlier than the setting time. This is
to provide a comfortable environment when reaching the set ON time.
60 minutes before the set time, indoor (at fan speed of Lo-) and outdoor fan motor start operate for 30 seconds to
determine the indoor intake air temperature and outdoor air temperature in order to judge the operation starting time.
From the above judgment, the decided operation will start operate earlier than the set time as shown below.
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