Lindab DCS Nozzle Diffuser Instruction Manual

Lindab DCS Nozzle Diffuser Instruction Manual

Description

DCS is a circular diffuser with integrated box for visible installation. The diffuser is equipped with individually adjustable nozzles. The diffuser has an built-in damper and a measuring device for individual adjustment. DCS is equipped with a M8 threaded rod at the top for attaching the diffuser. The diffuser is suitable for the horizontal supply of cooled air, where great flexibility in the dispersal pattern is required.

• Individually adjustable nozzles
• Supplied with integrated M8 rivet nut for suspension
• Detachable damper for cleaning of duct.

Maintenance

The face plate can be detached and the damper removed to enable cleaning of the internal parts or the duct. The visible parts of the diffuser can be wiped with a damp cloth.

Order code

Dimensions

Ød 1Size **[mm]| ØA [mm]| Ød 1 [mm]| L [mm]| H [mm]| Weight [kg]**
---|---|---|---|---|---
100| 300| 100| 365| 200| 3.1
125| 360| 125| 395| 215| 4.0
160| 460| 160| 470| 260| 5.2
200| 540| 200| 545| 300| 7.7
250| 680| 250| 645| 350| 10.5
315| 680| 315| 685| 420| 10.8

Materials and finish

Material: Galvanised steel
Nozzles: ABS Plastic, white
Standard finish: Powder-coated
Standard colour: White, RAL 9003 or 9010, gloss 30

The diffuser is available in other colours or unpainted. Please contact Lindab’s sales department for further information.

Technical data

Capacity

Volume flow qv [l/s] and [m3 /h], total pressure Δpt [Pa], throw 0.2 [m] and sound power level LWA [dB(A)] can be seen in the diagrams.

Frequency-related sound effect level

The sound effect level in the frequency band is defined as LWA + Kok Kok values are given in charts beneath the diagrams on the following pages.

Quick selection

Supply air

DCS Ød 1 [mm]| Minimum P i =5 Pa l/s m 3 /h| pt = 50 Pa  L WA =30 dB(A) l/s m 3 /h| pt = 50 Pa  L WA =35 dB(A) l/s m 3 /h
---|---|---|---
100| 9| 33| 15| 52| 34| 123
125| 15| 53| 29| 105| 42| 150
160| 25| 91| 44| 157| 65| 233
200| 40| 145| 63| 225| 95| 340
250| 67| 241| –| –| 115| 416
315| 112| 402| –| –| 166| 596

Throw l0.2

The throw is specified at a terminal velocity of 0.2 m/s.

Sound attenuation

Sound attenuation of the diffusers ΔL from duct to room, including end reflection, see table below.

DCS
Ød 1                               Centre frequency Hz
[mm]        63      125     250     500      1K       2K       4K 8K

100| 14| 9| 6| 17| 14| 11| 9| 16
125| 16| 11| 5| 14| 12| 9| 10| 16
160| 14| 10| 5| 16| 10| 9| 9| 14
200| 11| 7| 7| 13| 8| 7| 9| 14
250| 11| 7| 9| 9| 7| 7| 10| 14
315| 9| 6| 11| 9| 6| 8| 10| 14

Balancing

Balancing data is contained in a separate brochure.

Technical data

Hz| 63| 125| 250| 500| 1K| 2K| 4K| 8K
---|---|---|---|---|---|---|---|---
Kok| 7| 4| 5| -5| -7| -10| -14| -18

Hz| 63| 125| 250| 500| 1K| 2K| 4K| 8K
---|---|---|---|---|---|---|---|---
Kok| 7| 4| 4| -4| -7| -9| -14| -20

Hz| 63| 125| 250| 500| 1K| 2K| 4K| 8K
---|---|---|---|---|---|---|---|---
Kok| 11| 8| 3| -5| -6| -10| -17| -19

Hz| 63| 125| 250| 500| 1K| 2K| 4K| 8K
---|---|---|---|---|---|---|---|---
Kok| 11| 8| 1| -4| -6| -10| -15| -16

Hz| 63| 125| 250| 500| 1K| 2K| 4K| 8K
---|---|---|---|---|---|---|---|---
Kok| 11| 8| 1| -5| -6| -10| -14| -16

Hz| 63| 125| 250| 500| 1K| 2K| 4K| 8K
---|---|---|---|---|---|---|---|---
Kok| 9| 6| 1| -2| -6| -13| -16| -16

Lindab reserves the right to make changes without prior notice
2020-12-15

Read User Manual Online (PDF format)

Read User Manual Online (PDF format)  >>

Download This Manual (PDF format)

Download this manual  >>