Airflow Direction - Panasonic CS-E9RKUAW Service Manual

13.5

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).
13.5.1 Vertical Airflow
13.5.1.1 CU-E9RKUA CU-E12RKUA
Operation Mode
Heating
Cooling
Soft Dry
13.5.1.2 CU-E18RKUA CU-E24RKUA
Operation Mode
Heating
Cooling
Soft Dry

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. When the air conditioner is stopped using remote control, the vane
will shift to close position.

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.
13.5.2 Horizontal Airflow (CU-E9RKUA CU-E12RKUA)
The horizontal airflow direction louvers can be adjusted manually by hand.
Airflow Direction
Auto with Heat Exchanger
Temperature
Manual
Auto
Manual
Auto
Manual
Airflow Direction
Auto with Heat Exchanger
Temperature
Manual
Auto
Manual
Auto (Anti-Dew Control)
Manual (Anti-Dew Control)
C
136.4°F
B
96.8°F
A
Indoor Heat Exchanger
Temperature
Figure 1
A
B
C
A
B
C
0°
1
2
122°F
3
86°F
4
5
Figure 2
52
Vane angle (°)
1 2 3 4
20
57
32
20 32 45 57
20 ~ 45
20 26 32 37
20 ~ 45
20 26 32 37
Vane angle (°)
1 2 3 4
20
45
32
20 32 45 57
20 ~ 45
20 26 32 37
20 ~ 45
20 26 32 37
Side View
140°
Close position
5
68
45
45
5
68
45
45