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PELICAN Ceiling
Sizing Diagram
Air flow - Pressure drop - Sound level -
Throw
•
The diagrams provide data for an air diffuser placed in
a ceiling.
•
The diagrams should not be used for commissioning.
•
= Min. airflow required for obtaining sufficient com-
missioning pressure.
•
The dB(A) values are applicable to rooms with normal
acoustic absorption (4 dB room attenuation).
•
The dB(C) value is normally 6-9 dB higher than the
dB(A) value. For more accurate calculations, see the
calculation template in the Technical Information sec-
tion of the catalogue under Acoustic Data.
•
The version for low installation height generates 3
dB(A) higher sound level than the value specified in the
diagram.
PELICAN CS – supply air
p
Pa
t
100
40 dB(A)
50
35
40
30
30
25
20
20
10
5
4
3
40
50
100
200
300
400
PELICAN CS + ALSc – supply air
PELICAN CS 125 + ALSc 100-125 – one step
p
p
p
p
Pa
Pa
Pa
Pa
t
t
t
t
500
400
300
200
30
25
100
20
50
40
30
20
10
10
20
30
40
50
100
1
2
We reserve the right to alter specifications.
200
300 l/s 400
3
500
1000 m
/h
40 dB(A)
35
40
50
l/s
100
200
m
3
/h
3
4
5
l
m
0,2
•
The following sizes are only available with 4-way
spread:
– 35-600; low installation height, no diffusion plate
– 400-600 standard; no diffusion plate, no air deflector
•
Size 400-600 is not available with low installation height
PELICAN CS 160+ ALSc 100-160 – two steps
p
p
p
p
Pa
Pa
Pa
Pa
t
t
t
t
500
400
300
200
100
20
50
40
30
20
10
10
20
40
50
1
2008035
40 dB(A)
35
30
25
30
40
50
l/s
100
200
m
3
/h
2
3
4
5
www.swegon.com
100
l
m
0,2
5
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