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Multinozzle ceiling diffusers with high induction rate, consisting of a square plate with individual adjustable nozzles arranged in a square pattern and to be equipped with a plenum box.
The nozzles are designed to create a high Coanda effect at both low and high flow rates.
PS/SNS-XL = diffuser SNS-XL in plate 596 X 596
Brand
Cairox
Application
For air supply and exhaust in ventilation and air conditioning systems.
Material
Steel and plastic composite combination
Colour
Standard colour white, RAL 9016
Nozzles and diffuser also available in RAL 9010 and 9005, price on request
Composition
Frontplate made of powder coated steel
Nozzles made out of Bayblend® a blend of ABS and polycarbonate made of recycled plastics
Central screw mounting
Mounting
Fixing by central screw in the crossbar of the plenum box.
Accessories
Polystyrene
plenum box, type PPS-Pwith duct
connection PPS-APDand mounting bar PPS-MB
Non-insulated square plenum box, type REV-B
Insulated square plenum box, type REV-B ISO
Regulating valve for plenum box,type CRC
Non-insulated square plenum box for SNS-XL 600-80, type REF 595/450
Text for tender
The air supply ceiling diffusers are square with a square arranged nozzlepattern. They are made of a steel powdercoated frontplate in white finish RAL 9016 and nozzles in plastic composite materials. The diffusers are standard delivered with galvanized steel plenumbox equipped with perforated plate and damper in the side entry spigot. The diffuser is centrally screw mounted.
Cairox Type (PS)/SNS-XL
The air supply ceiling diffusers are square with a square arranged nozzlepattern. They are made of a steel powdercoated frontplate in white finish RAL 9016 and nozzles in plastic composite materials. The diffusers are standard delivered with galvanized steel plenumbox equipped with perforated plate and damper in the side entry spigot. The diffuser is centrally screw mounted.
Cairox Type (PS)/SNS-XL
Order example
SNS-XL, 600-64 + PPS-P 600 + PPS-APD 250 + PPS-MB
Explanation
SNS-XL= Diffuser type
600 = Diffuser size
64 = Number of nozzles
Accessories
PPS-P600 = Plenum box
PPS-APD 250 = Plenum box connection diameter
PPS-MB = mounting bar for PPS-P plenum
Articles
Article selection assistant
Battery type
Type
Type of regulation
Type of connection
Size
Article number
Battery type
Type
Type of regulation
Type of connection
Size
E-shop
I100261010101
NB
AMBERAIR COMPACT S-RSH 1000L NB MCB
MCB
Horizontal
1000
I100261010111
BE
AMBERAIR COMPACT S-RSH 1000L BE MCB
MCB
Horizontal
1000
I100261010121
CO
AMBERAIR COMPACT S-RSH 1000L CO MCB
MCB
Horizontal
1000
I100261010131
DX
AMBERAIR COMPACT S-RSH 1000L DX MCB
MCB
Horizontal
1000
I100261010201
NB
AMBERAIR COMPACT S-RSH 1000R NB MCB
MCB
Horizontal
1000
I100261010211
BE
AMBERAIR COMPACT S-RSH 1000R BE MCB
MCB
Horizontal
1000
I100261010221
CO
AMBERAIR COMPACT S-RSH 1000R CO MCB
MCB
Horizontal
1000
I100261010231
DX
AMBERAIR COMPACT S-RSH 1000R DX MCB
MCB
Horizontal
1000
I100261015101
NB
AMBERAIR COMPACT S-RSH 1500L NB MCB
MCB
Horizontal
1500
I100261015111
BE
AMBERAIR COMPACT S-RSH 1500L BE MCB
MCB
Horizontal
1500
I100261015121
CO
AMBERAIR COMPACT S-RSH 1500L CO MCB
MCB
Horizontal
1500
I100261015131
DX
AMBERAIR COMPACT S-RSH 1500L DX MCB
MCB
Horizontal
1500
I100261015201
NB
AMBERAIR COMPACT S-RSH 1500R NB MCB
MCB
Horizontal
1500
I100261015211
BE
AMBERAIR COMPACT S-RSH 1500R BE MCB
MCB
Horizontal
1500
I100261015221
CO
AMBERAIR COMPACT S-RSH 1500R CO MCB
MCB
Horizontal
1500
I100261015231
DX
AMBERAIR COMPACT S-RSH 1500R DX MCB
MCB
Horizontal
1500
I100261020101
NB
AMBERAIR COMPACT S-RSH 2000L NB MCB
MCB
Horizontal
2000
I100261020111
BE
AMBERAIR COMPACT S-RSH 2000L BE MCB
MCB
Horizontal
2000
I100261020121
CO
AMBERAIR COMPACT S-RSH 2000L CO MCB
MCB
Horizontal
2000
I100261020131
DX
AMBERAIR COMPACT S-RSH 2000L DX MCB
MCB
Horizontal
2000
I100261020201
NB
AMBERAIR COMPACT S-RSH 2000R NB MCB
MCB
Horizontal
2000
I100261020211
BE
AMBERAIR COMPACT S-RSH 2000R BE MCB
MCB
Horizontal
2000
I100261020221
CO
AMBERAIR COMPACT S-RSH 2000R CO MCB
MCB
Horizontal
2000
I100261020231
DX
AMBERAIR COMPACT S-RSH 2000R DX MCB
MCB
Horizontal
2000
I100261030101
NB
AMBERAIR COMPACT S-RSH 3000L NB MCB
MCB
Horizontal
3000
I100261030111
BE
AMBERAIR COMPACT S-RSH 3000L BE MCB
MCB
Horizontal
3000
I100261030121
CO
AMBERAIR COMPACT S-RSH 3000L CO MCB
MCB
Horizontal
3000
I100261030131
DX
AMBERAIR COMPACT S-RSH 3000L DX MCB
MCB
Horizontal
3000
I100261030201
NB
AMBERAIR COMPACT S-RSH 3000R NB MCB
MCB
Horizontal
3000
I100261030211
BE
AMBERAIR COMPACT S-RSH 3000R BE MCB
MCB
Horizontal
3000
I100261030221
CO
AMBERAIR COMPACT S-RSH 3000R CO MCB
MCB
Horizontal
3000
I100261030231
DX
AMBERAIR COMPACT S-RSH 3000R DX MCB
MCB
Horizontal
3000
I100261040101
NB
AMBERAIR COMPACT S-RSH 4000L NB MCB
MCB
Horizontal
4000
I100261040111
BE
AMBERAIR COMPACT S-RSH 4000L BE MCB
MCB
Horizontal
4000
I100261040121
CO
AMBERAIR COMPACT S-RSH 4000L CO MCB
MCB
Horizontal
4000
I100261040131
DX
AMBERAIR COMPACT S-RSH 4000L DX MCB
MCB
Horizontal
4000
I100261040201
NB
AMBERAIR COMPACT S-RSH 4000R NB MCB
MCB
Horizontal
4000
I100261040211
BE
AMBERAIR COMPACT S-RSH 4000R BE MCB
MCB
Horizontal
4000
I100261040221
CO
AMBERAIR COMPACT S-RSH 4000R CO MCB
MCB
Horizontal
4000
I100261040231
DX
AMBERAIR COMPACT S-RSH 4000R DX MCB
MCB
Horizontal
4000
I100261050101
NB
AMBERAIR COMPACT S-RSH 5000L NB MCB
MCB
Horizontal
5000
I100261050111
BE
AMBERAIR COMPACT S-RSH 5000L BE MCB
MCB
Horizontal
5000
I100261050121
CO
AMBERAIR COMPACT S-RSH 5000L CO MCB
MCB
Horizontal
5000
I100261050131
DX
AMBERAIR COMPACT S-RSH 5000L DX MCB
MCB
Horizontal
5000
I100261050201
NB
AMBERAIR COMPACT S-RSH 5000R NB MCB
MCB
Horizontal
5000
I100261050211
BE
AMBERAIR COMPACT S-RSH 5000R BE MCB
MCB
Horizontal
5000
I100261050221
CO
AMBERAIR COMPACT S-RSH 5000R CO MCB
MCB
Horizontal
5000
I100261050231
DX
AMBERAIR COMPACT S-RSH 5000R DX MCB
MCB
Horizontal
5000
I100261070101
NB
AMBERAIR COMPACT S-RSH 7000L NB MCB
MCB
Horizontal
7000
I100261070111
BE
AMBERAIR COMPACT S-RSH 7000L BE MCB
MCB
Horizontal
7000
I100261070121
CO
AMBERAIR COMPACT S-RSH 7000L CO MCB
MCB
Horizontal
7000
I100261070131
DX
AMBERAIR COMPACT S-RSH 7000L DX MCB
MCB
Horizontal
7000
I100261070201
NB
AMBERAIR COMPACT S-RSH 7000R NB MCB
MCB
Horizontal
7000
I100261070211
BE
AMBERAIR COMPACT S-RSH 7000R BE MCB
MCB
Horizontal
7000
I100261070221
CO
AMBERAIR COMPACT S-RSH 7000R CO MCB
MCB
Horizontal
7000
I100261070231
DX
AMBERAIR COMPACT S-RSH 7000R DX MCB
MCB
Horizontal
7000
I100261090101
NB
AMBERAIR COMPACT S-RSH 9000L NB MCB
MCB
Horizontal
9000
I100261090111
BE
AMBERAIR COMPACT S-RSH 9000L BE MCB
MCB
Horizontal
9000
I100261090121
CO
AMBERAIR COMPACT S-RSH 9000L CO MCB
MCB
Horizontal
9000
I100261090131
DX
AMBERAIR COMPACT S-RSH 9000L DX MCB
MCB
Horizontal
9000
I100261090201
NB
AMBERAIR COMPACT S-RSH 9000R NB MCB
MCB
Horizontal
9000
I100261090211
BE
AMBERAIR COMPACT S-RSH 9000R BE MCB
MCB
Horizontal
9000
I100261090221
CO
AMBERAIR COMPACT S-RSH 9000R CO MCB
MCB
Horizontal
9000
I100261090231
DX
AMBERAIR COMPACT S-RSH 9000R DX MCB
MCB
Horizontal
9000
I100262010101
NB
AMBERAIR COMPACT S-RSV 1000L NB MCB
MCB
Vertical
1000
I100262010111
BE
AMBERAIR COMPACT S-RSV 1000L BE MCB
MCB
Vertical
1000
I100262010121
CO
AMBERAIR COMPACT S-RSV 1000L CO MCB
MCB
Vertical
1000
I100262010131
DX
AMBERAIR COMPACT S-RSV 1000L DX MCB
MCB
Vertical
1000
I100262010201
NB
AMBERAIR COMPACT S-RSV 1000R NB MCB
MCB
Vertical
1000
I100262010211
BE
AMBERAIR COMPACT S-RSV 1000R BE MCB
MCB
Vertical
1000
I100262010221
CO
AMBERAIR COMPACT S-RSV 1000R CO MCB
MCB
Vertical
1000
I100262010231
DX
AMBERAIR COMPACT S-RSV 1000R DX MCB
MCB
Vertical
1000
I100262015101
NB
AMBERAIR COMPACT S-RSV 1500L NB MCB
MCB
Vertical
1500
I100262015111
BE
AMBERAIR COMPACT S-RSV 1500L BE MCB
MCB
Vertical
1500
I100262015121
CO
AMBERAIR COMPACT S-RSV 1500L CO MCB
MCB
Vertical
1500
I100262015131
DX
AMBERAIR COMPACT S-RSV 1500L DX MCB
MCB
Vertical
1500
I100262015201
NB
AMBERAIR COMPACT S-RSV 1500R NB MCB
MCB
Vertical
1500
I100262015211
BE
AMBERAIR COMPACT S-RSV 1500R BE MCB
MCB
Vertical
1500
I100262015221
CO
AMBERAIR COMPACT S-RSV 1500R CO MCB
MCB
Vertical
1500
I100262015231
DX
AMBERAIR COMPACT S-RSV 1500R DX MCB
MCB
Vertical
1500
I100262020101
NB
AMBERAIR COMPACT S-RSV 2000L NB MCB
MCB
Vertical
2000
I100262020111
BE
AMBERAIR COMPACT S-RSV 2000L BE MCB
MCB
Vertical
2000
I100262020121
CO
AMBERAIR COMPACT S-RSV 2000L CO MCB
MCB
Vertical
2000
I100262020131
DX
AMBERAIR COMPACT S-RSV 2000L DX MCB
MCB
Vertical
2000
I100262020201
NB
AMBERAIR COMPACT S-RSV 2000R NB MCB
MCB
Vertical
2000
I100262020211
BE
AMBERAIR COMPACT S-RSV 2000R BE MCB
MCB
Vertical
2000
I100262020221
CO
AMBERAIR COMPACT S-RSV 2000R CO MCB
MCB
Vertical
2000
I100262020231
DX
AMBERAIR COMPACT S-RSV 2000R DX MCB
MCB
Vertical
2000
I100262030101
NB
AMBERAIR COMPACT S-RSV 3000L NB MCB
MCB
Vertical
3000
I100262030111
BE
AMBERAIR COMPACT S-RSV 3000L BE MCB
MCB
Vertical
3000
I100262030121
CO
AMBERAIR COMPACT S-RSV 3000L CO MCB
MCB
Vertical
3000
I100262030131
DX
AMBERAIR COMPACT S-RSV 3000L DX MCB
MCB
Vertical
3000
I100262030201
NB
AMBERAIR COMPACT S-RSV 3000R NB MCB
MCB
Vertical
3000
I100262030211
BE
AMBERAIR COMPACT S-RSV 3000R BE MCB
MCB
Vertical
3000
I100262030221
CO
AMBERAIR COMPACT S-RSV 3000R CO MCB
MCB
Vertical
3000
I100262030231
DX
AMBERAIR COMPACT S-RSV 3000R DX MCB
MCB
Vertical
3000
I100262040101
NB
AMBERAIR COMPACT S-RSV 4000L NB MCB
MCB
Vertical
4000
I100262040111
BE
AMBERAIR COMPACT S-RSV 4000L BE MCB
MCB
Vertical
4000
I100262040121
CO
AMBERAIR COMPACT S-RSV 4000L CO MCB
MCB
Vertical
4000
I100262040131
DX
AMBERAIR COMPACT S-RSV 4000L DX MCB
MCB
Vertical
4000
I100262040201
NB
AMBERAIR COMPACT S-RSV 4000R NB MCB
MCB
Vertical
4000
I100262040211
BE
AMBERAIR COMPACT S-RSV 4000R BE MCB
MCB
Vertical
4000
I100262040221
CO
AMBERAIR COMPACT S-RSV 4000R CO MCB
MCB
Vertical
4000
I100262040231
DX
AMBERAIR COMPACT S-RSV 4000R DX MCB
MCB
Vertical
4000
I100262050101
NB
AMBERAIR COMPACT S-RSV 5000L NB MCB
MCB
Vertical
5000
I100262050111
BE
AMBERAIR COMPACT S-RSV 5000L BE MCB
MCB
Vertical
5000
I100262050121
CO
AMBERAIR COMPACT S-RSV 5000L CO MCB
MCB
Vertical
5000
I100262050131
DX
AMBERAIR COMPACT S-RSV 5000L DX MCB
MCB
Vertical
5000
I100262050201
NB
AMBERAIR COMPACT S-RSV 5000R NB MCB
MCB
Vertical
5000
I100262050211
BE
AMBERAIR COMPACT S-RSV 5000R BE MCB
MCB
Vertical
5000
I100262050221
CO
AMBERAIR COMPACT S-RSV 5000R CO MCB
MCB
Vertical
5000
I100262050231
DX
AMBERAIR COMPACT S-RSV 5000R DX MCB
MCB
Vertical
5000
=> Stock product central warehouse, except sales
Dimensions
AxA [mm]
# Nozzles
SNS-XL 300-16
298x298
16
SNS-XL 400-24
398x398
24
SNS-XL 500-36
498x498
36
SNS-XL 500-48
498x498
48
PS/SNS-XL 300/596-16
596x596
16
PS/SNS-XL 400/596-24
596x596
24
PS/SNS-XL 500/596-36
596x596
36
PS/SNS-XL 500/596-48
596x596
48
SNS-XL 600-64
596x596
64
SNS-XL 600-80
596x596
80
Quick selection
SNS-XL
- # Nozzles
300 - #16
400 - #24
500 - #36
500 - #48
600 - #64
600 - #80
600 - #80
Ak
0.019
0.0285
0.0427
0.0569
0.0759
0.0949
0.0949
Q
Plenum
PPS-P Ø125
PPS-P Ø160
PPS-P Ø200
PPS-P Ø250
PPS-P Ø250
PPS-P Ø250
REF 595-Ø315
B
1.2
2.4
3.6
1.2
2.4
3.6
1.2
2.4
3.6
1.2
2.4
3.6
1.2
2.4
3.6
1.2
2.4
3.6
1.2
2.4
3.6
100
H=
2.7
0.16
0.12
0.09
Vz
H=
3.2
0.12
0.09
0.08
H=
3.8
0.09
0.08
0.06
Vk
1.5
X(0,25)
1
Pt
10
Lw(A)
<20
150
H=
2.7
0.24
0.17
0.13
0.19
0.13
0.1
Vz
H=
3.2
0.18
0.14
0.11
0.14
0.11
0.09
H=
3.8
0.14
0.11
0.1
0.11
0.09
0.07
Vk
2.2
1.5
X(0,25)
1.5
1.1
Pt
23
10
Lw(A)
28
<20
200
H=
2.7
0.32
0.23
0.18
0.25
0.18
0.14
Vz
H=
3.2
0.24
0.19
0.15
0.19
0.14
0.12
H=
3.8
0.19
0.15
0.13
0.14
0.12
0.1
Vk
2.9
1.9
X(0,25)
1.9
1.5
Pt
41
18
Lw(A)
37
26
300
H=
2.7
0.48
0.35
0.27
0.37
0.27
0.21
0.31
0.22
0.17
0.31
0.22
0.17
Vz
H=
3.2
0.36
0.28
0.23
0.28
0.21
0.17
0.23
0.18
0.14
0.24
0.18
0.15
H=
3.8
0.28
0.23
0.19
0.21
0.17
0.15
0.18
0.14
0.12
0.18
0.15
0.12
Vk
4.4
2.9
2
1.5
X(0,25)
2.9
2.2
1.9
1.9
Pt
91
39
15
7
Lw(A)
49
38
25
<20
400
H=
2.7
0.5
0.35
0.28
0.41
0.29
0.23
0.42
0.3
0.23
0.38
0.27
0.21
Vz
H=
3.2
0.37
0.29
0.23
0.31
0.24
0.19
0.31
0.24
0.2
0.28
0.22
0.18
H=
3.8
0.29
0.23
0.2
0.24
0.19
0.16
0.24
0.2
0.17
0.22
0.18
0.15
Vk
3.9
2.6
2
1.5
X(0,25)
3
2.5
2.5
2.3
Pt
68
27
13
9
Lw(A)
46
34
24
<20
500
H=
2.7
0.62
0.44
0.34
0.52
0.37
0.29
0.52
0.37
0.29
0.47
0.34
0.26
0.45
0.32
0.25
0.45
0.32
0.25
Vz
H=
3.2
0.46
0.36
0.29
0.39
0.3
0.24
0.39
0.3
0.25
0.35
0.27
0.22
0.34
0.26
0.21
0.34
0.26
0.21
H=
3.8
0.36
0.29
0.24
0.3
0.24
0.2
0.3
0.25
0.21
0.27
0.22
0.19
0.26
0.21
0.18
0.26
0.21
0.18
Vk
4.9
3.3
2.4
1.8
1.5
1.5
X(0,25)
3.7
3.1
3.1
2.8
2.7
2.7
Pt
105
41
20
14
10
6
Lw(A)
53
41
31
27
23
<20
600
H=
2.7
0.62
0.44
0.34
0.63
0.45
0.35
0.56
0.4
0.31
0.54
0.39
0.3
0.54
0.39
0.3
Vz
H=
3.2
0.46
0.36
0.29
0.47
0.36
0.29
0.42
0.33
0.26
0.41
0.31
0.25
0.41
0.31
0.25
H=
3.8
0.36
0.29
0.24
0.36
0.29
0.25
0.33
0.26
0.22
0.31
0.25
0.21
0.31
0.25
0.21
Vk
3.9
2.9
2.2
1.8
1.8
X(0,25)
3.7
3.8
3.4
3.2
3.2
Pt
58
29
20
14
9
Lw(A)
46
36
32
29
21
700
H=
2.7
0.72
0.52
0.4
0.73
0.52
0.41
0.66
0.47
0.37
0.63
0.45
0.35
0.63
0.45
0.35
Vz
H=
3.2
0.54
0.42
0.34
0.55
0.42
0.34
0.49
0.38
0.31
0.47
0.36
0.3
0.47
0.36
0.3
H=
3.8
0.42
0.34
0.28
0.42
0.34
0.29
0.38
0.31
0.26
0.36
0.3
0.25
0.36
0.3
0.25
Vk
4.6
3.4
2.6
2
2
X(0,25)
4.3
4.4
4
3.8
3.8
Pt
79
40
27
20
12
Lw(A)
51
41
37
33
25
800
H=
2.7
0.84
0.6
0.47
0.75
0.54
0.42
0.72
0.52
0.4
0.72
0.52
0.4
Vz
H=
3.2
0.63
0.48
0.39
0.56
0.43
0.35
0.54
0.42
0.34
0.54
0.42
0.34
H=
3.8
0.48
0.39
0.33
0.43
0.35
0.3
0.42
0.34
0.28
0.42
0.34
0.28
Vk
3.9
2.9
2.3
2.3
X(0,25)
5
4.5
4.3
4.3
Pt
52
35
26
15
Lw(A)
45
41
37
29
1000
H=
2.7
1.05
0.75
0.58
0.94
0.67
0.52
0.9
0.64
0.5
0.9
0.64
0.5
Vz
H=
3.2
0.79
0.6
0.49
0.71
0.54
0.44
0.68
0.52
0.42
0.68
0.52
0.42
H=
3.8
0.6
0.49
0.41
0.54
0.44
0.37
0.52
0.42
0.36
0.52
0.42
0.36
Vk
4.9
3.7
2.9
2.9
X(0,25)
6.3
5.6
5.4
5.4
Pt
82
55
40
24
Lw(A)
52
48
44
36
Symbols and specifications
Q = Air volume in m³/h
Ak = Effective surface (free area) in m²
B = Distance between the diffusers in m
H = Installation height of the diffusers in m
Vz = Maximum velocity at the occupied zone according to distance between the diffusers and installation height in m/s
Vk = Average effective velocity through the diffuser in m/s
X0.25 = Throw length in m at an end velocity Vt of 0,25m/s
Pt = Total pressure loss over difuuser and plenum given in Pa
Lw(A) = Acoustic power in dB(A)
The throw X0.25 is given at an end velocity of 0.25m/s for a smooth ceiling without any obstacles.
The values are given for isothermal supply air. Throw distances for cooling conditions at -11K can be calculated by dividing the X0.25 values with factor 1.1. For heating purposes at Dt of +11K a multiplier of 1.1 should be applied to the given X0.25 value.
In order to achieve a high comfort level, selections can be made according to the maximal velocity at the occupied zone Vz. These values are given at distances between diffusers B and installation heights H. Velocities Vz lower than, or equal to 0,25m/s at the occupied zone are advised.
The pressure losses Ps are given for diffusers without damper of with fully opened damper.
The acoustic power values Lw(A) are given for diffusers without damper of with fully opened damper without room attenuation. Acoustic powers below 20dB(A) are mentioned as "<20" in the tables.
For all special requirements, please contact our engineering office.