PACD011001C2 Outline of Control
Function UM Combination “MA1R Series” Using R-407C 447
3.2.2 Louver Control for Preventing Ceiling Dirt
We have added a control feature that allows you to select the range of in which air direction can be
adjusted in order to prevent the ceiling surrounding the air discharge outlet of ceiling mounted cassette type
units from being soiled. (This feature is available on 2-way blow, 4-way blow and corner types.)
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
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
The factory set position is standard position.
(VL012)
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