15
Change dip switch SW3 setting according to the height of ceiling.
Dip switch SW3
Ceiling height
Normal
2.4 m or below
Increase airflow volume
above 2.4 m and 2.7 m or below
How to change Dip 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 (SW).
4. Put the electronic control P.C. board back to the original position, and install the electrical cover (1) and (2).
NOTE:
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NOTE:
When the ceiling is above 2.7 m, airflow volume may be insufficient even with the Dip 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)
9-4. P.C. BOARD MODIFICATION FOR CHANGING AIRFLOW VOLUME
How to change Dip switch (SWV1) setting (Factory setting is up)
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 normal.
4. Put the electronic control P.C. board back to the original position, and install the electrical cover (1) and (2).
NOTE:
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Electrical cover (1)
Electrical cover (2)
Electronic
control P.C.
board
Slide switch SWV1
Normal
(Airflow direction
is lowered.)
Up
(AUTO)
(1) (2) (3) (4) (5)
(SWING)
The setting when the lower airflow is preferred in the Airflow direction (1)
The angle of airflow direction (1) can be slightly lowered by changing SWV1 to normal
when the lower airflow is preferred
or the airflow causes the dirt on the ceiling.
9-5. P.C. BOARD MODIFICATION FOR CHANGING AIRFLOW DIRECTION ADJUSTMENT
OBH801
