Service manual

Other Control SiUS28-902_a
35 Function
5.3 Louver Control for Preventing Ceiling Dirt
We have added a control feature that allows you to select the range of air direction and adjust it
to prevent the ceiling surrounding the air discharge outlet of ceiling mounted cassette type units
from being soiled.
The factory set position is the standard position.
P0
P1
P2
P4
P3
P0
P1
P2
P4
P3
P0
P0
P1
P2
P4
P4
P2'
P1'
P0'
P4'
P4''
P3'
P2''
P1''
P0''
P3''
Existing position
Draft prevention position
Standard Setting
position
Ceiling soiling prevention
position
(Not for Multi flow type)
Draft
prevention
position
Standard
position
Prohibited
Prohibited
Dirt
prevention
position
P0
P0'
P0''
P1' P2'
P2''P1''
P3'
P3''
P4''
P4'
P1 P2 P3 P4
Same as existing position
Separated into 5 positions
(P1 - 4)
Separated into 5 positions
(P2 - 4)
Range of direction adjustment
Range of direction adjustment