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10 Operation and Control
10.1. Basic Function
Inverter control, which equipped with a microcomputer in determining the most suitable operating mode as time passes,
automatically adjusts output power for maximum comfort always. In order to achieve the suitable operating mode, the
microcomputer maintains the set temperature by measuring the temperature of the environment and performing temperature
shifting. The compressor at outdoor unit is operating following the frequency instructed by the microcomputer at indoor unit that
judging the condition according to internal setting temperature and intake air temperature.
10.1.1. Internal Setting Temperature
Once the operation starts, remote control setting temperature will be taken as base value for temperature shifting processes.
These shifting processes are depending on the air conditioner settings and the operation environment. The final shifted value
will be used as internal setting temperature and it is updated continuously whenever the electrical power is supplied to the unit.
10.1.2. Airflow Direction
1. There are two types of airflow, vertical airflow (directed by horizontal vane) and horizontal airflow (directed by vertical vanes).
2. Control of airflow direction can be automatic (angles of direction is determined by operation mode, heat exchanger tempera-
ture and intake air temperature) and manual (angles of direction can be adjusted using remote control).
10.1.2.1. Vertical Airflow
1. Automatic vertical airflow direction can be set using remote control; the vane swings up and down within the angles as state-
above. For heating mode operation, the angle of the vane depends on the indoor heat exchanger temperature as Figure 1
below. 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 posi-
tion.
Operation Mode Airflow Direction Vane Angle (°)
12345
Heating Auto with Heat Exchanger
Temperature
A Upward fix 3
B Downward fix 64
C Upward fix 3
D Downward fix 3
Manual A Upward fix 3 17 33 49 63
Cooling, Soft Dry Auto 8 ~ 36
Manual 8 15 22 30 36
Mode Judgement in Auto Auto 8
Manual 8 15 22 30 36
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