12
Change Slide switch SW3 setting according to the height of ceiling.
Slide switch SW3
Ceiling height
Normal
8.0 ft. (2.4 m) or below
Increase airflow volume
above 8.0 ft. (2.4 m) and 9.0 ft. (2.7 m) or below
How to change Slide switch (SW3) setting (Factory setting is normal)
1. Make sure that the breaker for air conditioner is turned OFF.
2. Remove the electrical cover (1) and (2) of the indoor unit.
3. Slide out the electronic control P.C. board, and switch up the Slide switch (SW3).
4. Put the electronic control P.C. board back to the original position, and install the electrical cover (1) and (2).
NOTE:
• Install the indoor unit at least 7.2 ft. (2.2 m) above floor or grade level.
• Perform static elimination before setting.
NOTE:
When the ceiling is above 9.0 ft. (2.7 m), airflow volume may be insufficient even with the Slide switch (SW3) set to
"increase airflow".
Electrical cover (1)
Electrical cover (2)
Electronic
control P.C.
board
Slide switch SW3
Normal
Up
(Increase airflow
volume)
7-4. P.C. BOARD MODIFICATION FOR CHANGING AIRFLOW VOLUME
How to change Slide switch (SWV1) setting (Factory setting is normal)
1. Make sure that the breaker for air conditioner is turned OFF.
2. Remove the electrical cover (1) and (2) of the indoor unit.
3. Slide out the electronic control P.C. board, and change the slide switch (SWV1) to up.
4. Put the electronic control P.C. board back to the original position, and install the electrical cover (1) and (2).
NOTE:
• Perform static elimination before setting.
Electrical cover (1)
Electrical cover (2)
Electronic
control P.C.
board
Slide switch SWV1
Normal
Up
(Airflow direction
is heightened.)
(AUTO) (1)
(2)
(3)
(4)
(5) (SWING)
The setting when the higher airflow is preferred in the Airflow direction (1)
The angle of airflow direction (1) can be slightly heightened by changing SWV1 to up.
However, it may cause the dirt on the ceiling.
7-5. P.C. BOARD MODIFICATION FOR CHANGING AIRFLOW DIRECTION ADJUSTMENT
OBH802B
