cdka/ckpa - esi.infocms.esi.info/media/documents/swego_cdka_ml.pdf · included in the magicad and...

�We reserve the right to alter specifications. 200803�5 www.swegon.com

CD

Ka

/CK

Pa

CDKa/CKPaCircular ceiling diffuser for supply air

GeneralCircular supply air diffusers for ceiling installation, with aerodynamically shaped outled cones. They are suit-able for either constant or variable flow and can handle extremely large airflows at low sound levels.

Quick factsSpread pattern can be shielded

Handles large airflows

Cleanable

Adjustable slot

Aerodynamically shaped inlet cone

Non-perforated diffuser face = CDK

Perforated diffuser face = CKP

Available in alternative colours

Included in the MagiCAD and CadVent databases

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Quick guideA I R F L O W - S O U N D L E V E L

CDKa/CKPa l/s

Size 25 dB(A) 30 dB(A) 35 dB(A)

�00 47 (40) 55 (48) 65 (58)

�25 75 (70) 88 (80) �05 (95)

�60 �25 (��5) �45 (�30) �75 (�50)

200 �90 (�75) 235 (205) 280 (240)

250 240 (250) 275 (300) 325 (350)

3�5 275 (3�0) 320 (360) 370 (4�0)

CDKa/CKPa ALSc l/s

Size Size 25 dB(A) 30 dB(A) 35 dB(A)

�00 80-�00 �8 (�7) 33 (30) 38 (35)

�25 �00-�25 30 (28) 50 (40) 60 (52)

�60 �25-�60 50 (46) 80 (65) 95 (85)

200 �60-200 77 (72) ��5 (92) �45 (�30)

250 200-250 �20 (�00) �60 (�30) 2�5 (�60)

3�5 250-3�5 �75 (�55) 225 (�80) 300 (225)

Data applies to 360° spread pattern. Data for combination with ALS commissioning box is stated for a total pressure drop of 50 Pa. Values in brackets are for CKP.

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CDKa/CKPa

We reserve the right to alter specifications. 200803�5 www.swegon.com

Technical descriptionDesignThe CDK and CKP consists of two parts: an aerodynami-cally shaped upper section with a connection spigot have including a rubber sealing ring, and a removable non-perforated diffuser face. Between the upper cone and the diffuser face there is a slot which can be adjusted in two positions. The diffuser face of the CDK is unperforated and on CKP it is perforated in CKP is perforated. Both CDK and CKP are equipped with acoustic insulation.

Materials and surface treatmentThe upper part is manufactured in galvanized sheet steel. The diffuser face is made of sheet steel. The whole dif-fuser is painted inside and out with our pure white stand-ard paint, RAL 90�0. The unit is also available in other standard colours: Dusty grey 7037, white aluminium RAL 9006, jet black RAL 9005, grey aluminium RAL 9007 and signal white RAL 9003 (NCS 0500).

AccessoriesCommissioning box: ALS made of galvanized sheet steel. Includes removable commissioning damper, fixed measurement unit and acoustic insulation with a reinforced surface layer, to Fire Resistance Class B-s�,d0 according to EN ISO ��925-2.

Frame:SAR C. For the aesthetic installation with lowered diffuser. Shielding strip:

SAV. To shield the spread pattern.

PlanningThe diffuser has an aerodynamically shaped inlet spigot, which means that it can handle extremely large airflows at low sound levels.

InstallationThe inlet spigot of the diffuser is fixed to the connecting duct with blind rivets. The diffuser face is removed by turning the springs which grip the pins of the diffuser face through ¼ turn (see Figure �). When the ALS commission-ing box is used, the spigot between the ALS and the CDK can be extended using normal circular duct up to 500 mm long without needing to extend either the measurement tubes or the damper cords. See Figure �.

Commissioning with ALSThis must be carried out with the diffuser face in place. The measurement tubes and the damper cords are pulled out of the diffuser through the slots. The damper setting is lockable. The k-factor is stated on the product label, and is also in the relevant k-factor guide which can be accessed at www.swegon.com. See Figure �.

MaintenanceThe diffuser can be cleaned when necessary using luke warm water with added detergent. The duct system can be accessed without the use of tools. The spreader plate is removed by turning the springs which grip the pins through ¼ turn. If the commissioning box ALS is used, move the diffusion plate aside and the damper unit can then be removed by unscrewing it from its fastening. See Figure �.

EnvironmentThe Declaration of construction materials is available at www.swegon.com.

SizingSound level dB(A) applies to rooms of �0 m2 equivalent absorption area

The throw l0.2

is measured under isothermal flow condi-tions

Recommended maximal under temperature is �0°.

All technical data applies to the following slot widths: 20 mm for sizes �00 and �25 30 mm for sizes �60, 200, 250 and 3�5.

The slot widths can be increased to: 30 mm for sizes �00 and �25 40 mm for sizes �60, 200, 250 and 3�5. This increase in slot widths cause reductions in throw, pressure drop and sound levels with ca 20%.

To calculate the width of the airstream, air velocities in the area of occupation or sound levels in rooms with other dimensions, please refer to our selection soft-ware ProAir web and ProAc, which are both available at www.swegon.com.

All the technical data applies to a 360° spread pattern.

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Figure 1. Installation.

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CDKa/CKPa


CD

Ka

/CK

Pa

Sound data - CDK - Supply airSound power level L

w(dB)

Table KOK

Size Mid-frequency (octave band) Hz

CDKa 63 �25 250 500 �000 2000 4000 8000

�00 �0 �4 3 -� -2 -6 -�8 -26

�25 �0 �2 2 -� -2 -4 -�4 -25

�60 9 �� 2 -� -� -3 -�7 -27

200 �� 7 3 -2 0 -3 -�4 -25

250 �3 �0 7 2 -2 -8 -23 -3�

3�5 �4 �� 9 0 -7 -�2 -27 -32


CDKa + 63 �25 250 500 �000 2000 4000 8000

ALSc

�00 �� 4 7 -� -2 -�� -�5 -2�

�25 �0 �3 8 -2 -4 -8 -�7 -22

�60 �0 �4 7 0 -6 -7 -�6 -2�

200 9 �2 4 -2 -5 -5 -�5 -�8

250 �0 �4 5 -2 -5 -6 -�6 -20

3�5 9 �4 6 0 -4 -8 -�5 -20

Tol. ± 2 2 2 2 2 2 2 2

Sound attenuation DL(dB) Table DL


CDKa 63 �25 250 500 �000 2000 4000 8000

�00 22 �7 �4 9 6 5 8 9

�25 2� �7 �2 7 5 5 9 9

�60 20 �4 �0 5 6 5 �0 9

200 �8 �4 9 7 5 5 �0 9

250 �7 �� 8 8 5 7 �2 �0

3�5 �7 �� 9 9 6 �� 3 �0


CDKa + 63 �25 250 500 �000 2000 4000 8000

ALSc

�00 �8 �4 �7 �8 25 2� 20 20

�25 20 �5 �5 �9 24 �9 20 �9

�60 20 �4 �0 �7 �9 �2 �0 �2

200 �6 �2 �4 �9 2� �7 20 �8

250 �8 �� 3 20 �9 �7 20 �8

3�5 �3 6 �2 2� �8 �8 2� �9

Tol. ± 2 2 2 2 2 2 2 2

Sound data - CKP - Supply airSound power level L

w(dB)

Table KOK


CKPa 63 �25 250 500 �000 2000 4000 8000

�00 �0 �0 2 0 � -8 -22 -30

�25 �0 �0 3 0 0 -8 -2� -28

�60 9 6 � 0 0 -4 -�5 -27

200 �� 6 � � � -5 -20 -28

250 �3 7 2 � � -8 -24 -3�

3�5 �4 5 2 2 � -8 -24 -3�


CKPa + 63 �25 250 500 �000 2000 4000 8000

ALSc

�00 �� 3 6 -� -3 -�0 -�4 -2�

�25 �0 �2 7 -� -4 -7 -�7 -2�

�60 �0 �3 7 -� -4 -7 -�7 -20

200 9 �0 4 0 -4 -7 -�7 -�9

250 �0 �� 4 � -3 -8 -�8 -20

3�5 9 9 3 4 -2 -�0 -22 -24

Tol. ± 2 2 2 2 2 2 2 2

Sound attenuation DL(dB) Table DL


CKPa 63 �25 250 500 �000 2000 4000 8000

�00 22 �8 �3 8 2 � 2 3

�25 2� �7 �2 6 � � 2 2

�60 20 �4 �0 5 2 � 2 4

200 �8 �3 9 4 2 � 2 3

250 �7 �� 7 4 2 2 3 3

3�5 �7 �0 5 4 � 3 3 4


CKPa + 63 �25 250 500 �000 2000 4000 8000

ALSc

�00 �8 �4 �6 �7 23 �7 �4 �4

�25 20 �5 �4 �8 2� �4 �3 �5

�60 20 �5 �2 �7 20 �4 �3 �6

200 �6 �2 �3 �9 �8 �4 �4 �5

250 �8 �0 �� 9 �5 �2 �4 �4

3�5 �3 6 7 �9 �4 �0 �0 �3

Tol. ± 2 2 2 2 2 2 2 2

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CDKa/CKPa


Engineering graphs - CDK - Supply air Air flow - Pressure drop - Sound level - Throw

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 chapter on Acoustics in the Technical Information section of this catalogue.

Correction factor for shielded spread pattern, see graphs and examples below the dimensioning graph.

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The graphs apply to a CDK installed in a ceiling.

The graphs are not to be used for commissioning.

The dB(A) values are for rooms with normal acous-tic absorption of 4 dB.

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CDKa 100, 125, 160

pt Papt Pa

100 200 300 400 500 m3/h

pt Papt Pa

30 40 50 100 200 l/s45

10

20

304050

100

200

20

25

30

35

40 dB(A)

100 125

160

160

125

2 3 4 5 10100

m0,2l

CDKa 200, 250, 315

pt Papt Pa

400 500 1000 2000 m3/h

pt Papt Pa

100 200 300 400 500 l/s 10005

10

20

304050

100

200

20

25

30

35

40 dB(A)

200 250 315

315

250

5 10 20 30 40200

m0,2l

Engineering graphs - CKP - Supply air Air flow - Pressure drop - Sound level - Throw

The graphs apply to a CKP installed in a ceiling.



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CKPa 100, 125, 160 CKPa 200, 250, 315

pt Papt Pa

300 400 500 1000 2000 m3/h

pt Papt Pa

100 200 300 400 500 l/s45

10

20

304050

100

200

2025

3035

40 dB(A)

200 250

315

315

250

4 5 10 20 30200

m0,2l

pt Papt Pa

100 200 300 400 500 m3/h

pt Papt Pa

30 40 50 100 200 l/s345

10

20

304050

100

20

25

30

35

40 dB(A)

100 125

160

160

125

2 3 4 5 10100

m0,2l

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CDKa/CKPa


CD

Ka

/CK

Pa

Engineering graphs - CDK with ALS - Supply air Air flow - Pressure drop - Sound level - Throw


= the minimum flow required to obtain suffi-cient commissioning pressure.


The dB(C) value is normally 6-9 dB’s higher than the dB(A) value. For more accurate calculations, see the calculation template in the chapter on Acoustics in the Technical Information section of this catalogue.


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CDKa 100 + ALSc 80-100

pt Papt Pa

30 40 50 100 200 m3/h

pt Papt Pa

10 20 30 40 50 l/s

20

304050

100

200

300400500

20

25

30

35

40 dB(A)100%

0%

1 2 3 4 5m0,2l

CDKa 125 + ALSc 100-125

pt Papt Pa

50 100 200 300 m3/h

pt Papt Pa

20 30 40 50 l/s 100

20

304050

100

200

300400500

20

25

30

35

40 dB(A)

100%

0%

1 2 3 4 5m0,2l

CDKa 160 + ALSc 125-160 CDKa 200 + ALSc 160-200

pt Papt Pa

100 200 300 400 500 m3/h

pt Papt Pa

20 30 40 50 100 l/s 200

20

304050

100

200

300400500

20

25

30

35

40 dB(A)100%

0%

1 2 3 4 5m0,2l

pt Papt Pa

200 300 400 500 m3/h

pt Papt Pa

30 40 50 100 200 l/s 300

20

304050

100

200

300400500

20

25

30

35

40 dB(A)

100%

0%

2 3 4 5 10m0,2l

D

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CDKa/CKPa


CDKa 250 + ALSc 200-250 CDKa 315 + ALSc 250-315

Engineering graphs - CKP with ALS - Supply air Air flow - Pressure drop - Sound level - Throw


= the minimum flow required to obtain suffi-cient commissioning pressure.




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CKPa 100 + ALSc 80-100 CKPa 125 + ALSc 100-125

pt Papt Pa

30 40 50 100 200 m3/h

pt Papt Pa

10 20 30 40 50 l/s

20

304050

100

200

300400500

20

25

30

35

40 dB(A)

100%

0%

1 2 3 4 5m0,2l

pt Papt Pa

50 100 200 300 m3/h

pt Papt Pa

20 30 40 50 l/s 10010

20

304050

100

200

300400500

20

25

30

35

40 dB(A)100%

0%

1 2 3 4 5m0,2l

D

pt Papt Pa

200 300 400 500 1000 m3/h

pt Papt Pa

50 100 200 300 400 l/s 500

20

304050

100

200

300400500

20

25

30

35

40 dB(A)

100%

0%

2 3 4 5 10m0,2l

pt Papt Pa

300 400 500 1000 2000 m3/h

pt Papt Pa

100 200 300 400 500 l/s

20

304050

100

200

300400500

20

25

30

35

40 dB(A)

100%

0%

3 4 5 10 20m0,2l

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CDKa/CKPa


CD

Ka

/CK

Pa

CKPa 160 + ALSc 125-160 CKPa 200 + ALSc 160-200

CKPa 250 + ALSc 200-250 CKPa 315-ALSc 250-315

pt Papt Pa

100 200 300 400 500 m3/h

pt Papt Pa

20 30 40 50 100 l/s 20010

20

304050

100

200

300400500

20

25

30

35

40 dB(A)

100%

0%

1 2 3 4 5m0,2l

pt Papt Pa

100 200 300 400 500 m3/h

pt Papt Pa

30 40 50 100 200 l/s10

20

304050

100

200

300400500

20

25

30

3540 dB(A)

100%

0%

2 3 4 5 10m0,2l

pt Papt Pa

200 300 400 500 1000 m3/h

pt Papt Pa

40 50 100 200 300 l/s 40010

20

304050

100

200

300400500

20

25

30

35

40 dB(A)

100%

0%

2 3 4 5 10m0,2l

pt Papt Pa

300 400 500 1000 m3/h

pt Papt Pa

100 200 300 400 l/s 500

10

20

304050

100

200

300400

20

25

3035

40 dB(A)

100%

0%

2 3 4 5 10m0,2l

Shielding off the spread patternThe air stream can easily be shielded off if there are obstacles, walls or other objects too close to the terminal. In order to be able to use the graphs for "Airflow - Throw length" and "Airflow - Presure drop - Sound level" when the diffuser is shielding off in one sector, the airflow is corrected as in the adjoining diagram.

Example:

Desired airflow: �00 l/s

Sector shielding: 90°

Follow the line on the graph for 90° shielding and read off the correction factor of �.2 on the vertical axis. Mulitply the correction factor of �.2 by the desired airflow of �00 l/s, giving �20 l/s. Use this airflow (�20 l/s) when selecting throw length, pressure drop and sound level.

Figure 2. Correction factor for shielding.1. Correction factor2. Shielded (°)

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CDKa/CKPa


Dimensions and weightsCDKa/CKPa

Size ØA Ød E ØJ L Weight, kg

�00 �92 99 36-46 �25 5� 0.6

�25 228 �24 36-46 �60 56 0.8

�60 304 �59 46-56 2�5 73 �.3

200 380 �99 46-56 280 87 �.8

250 456 249 50-60 350 95 2.5

3�5 568 3�4 50-60 450 ��4 3.7

ØJ = Hole-making size

CDKa/CKPa + ALSc

Size ØA B C ØD E

�00 �92 227 �92 79 36-46

�25 228 282 2�7 99 36-46

�60 304 342 252 �24 46-56

200 380 404 288 �59 46-56

250 456 504 332 �99 50-60

3�5 568 622 388 249 50-60

Size F G H K Weight,kg

�00 �77 �07 200 50 �.8

�25 202 �22 270 80 2.7

�60 243 �5� 3�5 80 3.5

200 292 �83 375 �00 4.5

250 340 2�� 465 ��5 6.3

3�5 420 255 575 �40 9.3

Frame SARa C

Size M Ø L

�00 40 �87

�25 40 223

�60 65 299

200 65 375

250 �00 45�

3�5 �00 563

Figure 3. CDK/CKP.

Figure 4. CDK/CKP + ALS.

Figure 5. Frame SAR C.

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CDKa/CKPa


CD

Ka

/CK

Pa

Specification example

SD XX Swegons circular cone diffuser of the type CDKa with commissioning box ALSc, having the following functions:

Spread pattern can be shielded

Aerodynamically shaped inlet cone

Cleanable

Electrostatically powder-coated in white, RAL 90�0

Cleanable commissioning box ALS with removable commissioning damper, lockable setting, measurement function with low method error and internal acoustic insulation with reinforced surface layer.

Accessories:

Frame: SARa C aaa - bbb xx items

Sector shielding: SAVa aaa - bbb xx items

Size: AAAa with ALSc aaa-bbb xx items

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Order keyProduct

Circular ceiling terminal for supply air AAAa -bbb

Non-perforated diffuser face Perforated diffuser face

CDKa CKPa

Nom. connection dimension, mm

Standard range:

Size: �00 �25 �60 200 250 3�5

Accessories

Commissioning box ALSc -aaa-bbb

For CDKa/CKPa ALSc

�00: �25 �60 200 250 3�5

80-�00 �00-�25 �25-�60 �60-200 200-250 250-3�5

Frame SARa C -aaa-bbb

For size: �00 �25 �60 200 250 3�5

�87-40 223-40 299-65 375-65 45�-�00 563-�00

Sector shielding SAVa -aaa -bbb

Size: �00, �25, �60, 200, 250, 3�5

Shielded sector: 90°, �80°

cdka/ckpa - esi.infocms.esi.info/media/documents/swego_cdka_ml.pdf · included in the magicad and...

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