21
20
21
OCH728A
4
4-WAY AIRFLOW SYSTEM
4-1. PLACEMENT OF THE AIR OUTLETS
• For this grille, the blowout direction comes in 11 patterns.
Also, by setting switch on the controller board to the appropriate settings, you can adjust the airflow and speed. Select the
settings from Table1 according to the location in which you want to install the unit.
1) Decide on the pattern of the airflow direction.
Blowout direction
pattern
4-direction
<Table 1>
3-direction
2-direction
Note1.
For 3- and 2-direction settings, please use the air outlet shutter plate (option).
Pattern 1 Initial setting
Pattern 4 1 air outlet
fully closed
Pattern 6 2 air outlet
fully closed
2) According to the number of air outlets and height of the ceiling to install the unit, be sure to set up the switch (SW21)
on the circuit board to the appropriate setting.
• Correspondence of ceiling heights to the number of air outlets
PLFY-M20VEM PLFY-M25VEM
PLFY-M32VEM PLFY-M40VEM
PLFY-M50VEM PLFY-M63VEM
PLFY-M80VEM
PLFY-M100VEM PLFY-M125VEM
Silent
Standard
High ceiling
Silent
Standard
High ceiling
SW21-1 SW21-2 SW21-1 SW21-2 SW21-1 SW21-2 SW21-1 SW21-2 SW21-1 SW21-2 SW21-1 SW21-2
OFF
ON
OFF
OFF
ON
OFF
OFF
ON
OFF
OFF
ON
OFF
4 direction
SW21-3
OFF
2.5 m
2.7 m
3.5 m
2.7 m
3.2 m
4.5 m
SW21-4
ON
3 direction
SW21-3
OFF
2.7 m
3.0 m
3.5 m
3.0 m
3.6 m
4.5 m
SW21-4
OFF
2 direction
SW21-3
ON
3.0 m
3.3 m
3.5 m
3.3 m
4.0 m
4.5 m
SW21-4
OFF
