DBC

VARIZON® Displacement unit with adjustable spread pattern

Adjustable spread pattern and affected area
Suitable for all types of rooms
Measurement unit
Cleanable
Concealed fixing
Standard colour White RAL 9003
- 5 alternative standard colour
- Other colours upon request

Calculate with your requirements

DBC is a complete, rectangular, bow-shaped displacement unit. It provides supply air at low velocity to the occupied zone. The distribution pattern is easily adjustable due to the movable nozzles. Accessories include a floor plinth, duct cover and a controller.

Technical description

Design

The DBC is a bow-shaped displacement unit for wall installation. The body consists of a rear section with top and bottom plates and an air diffusion plate which is equipped with a number of adjustable nozzles. The top plate has either a circular or rectangular inlet depending on the size of the unit. The diffusion plate has an inspection cover for access to the duct system. There is a perforated front panel on the exterior of the body which is attached to the rear section with screws. These are concealed behind a removable aluminium profile. The measurement outlet is placed behind the removable alumimium profile.

Material and surface treatment

The displacement unit is manufactured in galvanized sheet steel and aluminium profile, it is coated.

Standard colour:
- White semi-gloss, lustre 40, RAL 9003/NCS S 0500-N
Alternative standard colours:
- Silver gloss, lustre 80, RAL 9006
- Grey aluminium gloss, lustre 80, RAL 9007
- Blanc semi-brillant, lustre 40, RAL 9010
- Black semi-gloss, lustre 35, RAL 9005
- Grey semi-gloss, lustre 30, RAL 7037
Non-painted finish and other colours available on request.

Adaptation

AIR FLOW - SOUND PRESSURE ROOM (Lp10A) *)
DBC Size	25 dB(A)		30 dB(A)		35 dB(A)
DBC Size	l/s	m3/h	l/s	m3/h	l/s	m3/h
200	150	540	175	630	200	720
250	200	720	240	864	270	972
315	340	1224	395	1422	460	1656
400	460	1656	550	1980	630	2268
200-600	450	1620	520	1872	610	2196
300-600	650	2340	750	2700	880	3168
Data for the DBC + regulator REG are shown in a separate table. *) Lp10A = Sound pressure incl. A-filter with 4 dB room attenuation and 10 m² room absorption area.

Filter

Include Accessory documents

Document	Article	Document type	Date
Low velocity displacement unit with VARIZON (pdf 936.6kB)	DBCa	Technical catalogue	24/11/2021
Installation, commissioning, maintenance (pdf 825.51kB)	DBCa	IOM Manual	24/05/2018
Installation, commissioning, maintenance (pdf 257.32kB)	DBCT 1a	IOM Manual	24/05/2018
Nano certificate (pdf 71.51kB)	Air diffusers	Quality	03/10/2023
Commissioning guide - Air diffusers, VAV/CAV- & Commissioning dampers (pdf 7.75MB)	Air diffusers, VAV/CAV- & Commissioning dampers	IOM Manual	19/08/2024
Overview - Air diffusers (pdf 3.34MB)	Air diffusers	Brochure	12/07/2022
Product description - Air diffusers & dampers (pdf 249.19kB)	Air diffusers & dampers	IOM Manual	19/10/2023

Whilst we have made every effort to ensure information on this website is up to date and accurate, the technical specification and availability of products/services listed on this website may vary market to market and are subject to change without notice. Please contact your regional representative or visit your local website for further details.