Way Air Flow System - Mitsubishi Electric PLFY-P20VEM-E Technical & Service Manual

4

4-WAY AIR FLOW 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.
<Table 1> 4-direction
Pattern 1 Initial setting
Note1.
For 3- and 2-direction settings, please use the air outlet shutter plate (option).
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
SW21-3 OFF
4 direction
SW21-4 ON
SW21-3 OFF
3 direction
SW21-4 OFF
SW21-3 ON
2 direction
SW21-4 OFF
OCH657
3-direction
Pattern 4 1 air outlet
fully closed
PLFY-P20/25/32/40/50/63/80VEM-E
Silent Standard
SW21-1 SW21-2 SW21-1 SW21-2
OFF ON OFF OFF
2.5 m 2.7 m
2.7 m 3.0 m
3.0 m 3.3 m
2-direction
Pattern 6 2 air outlet
fully closed
High ceiling Silent
SW21-1 SW21-2 SW21-1 SW21-2
ON OFF OFF ON
2.7 m
3.5 m
3.0 m
3.5 m
3.3 m
3.5 m
16
PLFY-P100/125VEM-E
Standard High ceiling
SW21-1 SW21-2 SW21-1
OFF OFF ON
3.2 m 4.5 m
3.6 m 4.5 m
4.0 m 4.5 m
SW21-2
OFF