DRI

VARIZON® Displacement unit with adjustable distribution pattern

Adjustable spread pattern and affected area
Suitable for all types of rooms
Cleanable
Air volume measuring point
Very easy to recess in a wall
Concealed fixing
Standard colour White RAL 9003
- 5 alternative standard colours
- Other colours upon request

Calculate with your requirements

DRI is a complete, rectangular displacement unit for wall or ceiling installation, surface or recessed mounted. It can provide a large air flow at a low velocity in the occupied zone. The spread pattern is easily adjustable due to the adjustable air deflectors.

BIG ROOM Sound pressure room (Lp150A) *)
DRI Size	25 dB(A)		30 dB(A)		35 dB(A)
DRI Size	l/s	m3/h	l/s	m3/h	l/s	m3/h
200	220	792	265	954	315	1134
250	340	1224	400	1440	480	1728
315	515	1854	610	2196	720	2592
400	790	2844	930	3348	1100	3960
200-600	610	2196	725	2610	860	3096
250-800	840	3024	980	3528	1150	4140
Sound level is valid at 150 m2 equivalent sound absorption area at distance of 2 m from terminal. All values are valid on straight duct section without disturbance. *) Lp150A = Sound pressure incl. A-filter with 16 dB room attenuation and 150 m2 room absorption area.

SMALL ROOM Sound pressure room (Lp10A) *)
DRI Size	25 dB(A)		30 dB(A)		35 dB(A)
DRI Size	l/s	m3/h	l/s	m3/h	l/s	m3/h
200	145	522	175	630	210	756
250	220	792	265	954	320	1152
315	350	1260	415	1494	490	1764
400	535	1926	625	2250	745	2682
200-600	410	1476	480	1728	575	2070
250-800	580	2088	680	2448	795	2862
Sound level is valid at 10 m2 equivalent sound absorption area at distance of 2 m from terminal. All values are valid on straight duct section without disturbance. *) Lp10A = Sound pressure incl. A-filter with 4 dB room attenuation and 10 m2 room absorption area.

Nordic Swan listed

The product is listed in the database for building products that can be used in Nordic Swan Ecolabelled buildings.

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Include Accessory documents

Document	Article	Document type	Date
Building product declaration (pdf 48.85kB)	DRIf	Quality	24/05/2018
Low velocity displacement unit with VARIZON (pdf 2.62MB)	DRIf	Technical catalogue	01/03/2024
Installation, commissioning, maintenance (pdf 1.07MB)	DRIf	IOM Manual	11/05/2020
Commissioning guide - Air diffusers, VAV/CAV- & Commissioning dampers (pdf 7.75MB)	Air diffusers, VAV/CAV- & Commissioning dampers	IOM Manual	19/08/2024
Product description - Air diffusers & dampers (pdf 249.19kB)	Air diffusers & dampers	IOM Manual	19/10/2023
Nano certificate (pdf 71.51kB)	Air diffusers	Quality	03/10/2023
Overview - Air diffusers (pdf 3.34MB)	Air diffusers	Brochure	12/07/2022

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