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
| Ød1Size [mm] | ØA [mm] | Ød1 [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.
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 Ød1 [mm] | Minimum Pi=5 Pa l/s m3/h | pt = 50 Pa LWA=30 dB(A) l/s m3/h | pt = 50 Pa LWA=35 dB(A) l/s m3/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 Ød1 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
Documents / Resources
 |
Lindab DCS Nozzle Diffuser [pdf] Instruction Manual DCS, Nozzle Diffuser, DCS Nozzle Diffuser, Diffuser |
