LTA

Light screening transfer grille for wall or door mounting

Light-blocking
The LTA is supplied made of anodized aluminium as standard.
Two ventilation grilles with black paint finish are enough for dark room walls
Telescopic counter flange

LTA is a rectangular grille for installation in walls or doors. It is used as a supply or transfer air diffuser between rooms where light transmission is not desirable.

AIR FLOW - SOUND PRESSURE ROOM (Lp10A) *)
LTA Size	l/s
LTA Size	10 Pa	15 Pa	20 Pa
200-100	14	19	21
400-100	30	35	42
600-100	46	55	65
400-150	52	62	72
600-150	70	83	100
800-150	110	130	150
400-200	70	83	100
600-200	110	130	150
800-200	142	180	200
The data applies to a grille placed in a wall. *) 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
Rectangular light screening transfer grille (pdf 367.65kB)	LTAb	Technical catalogue	23/11/2021
Installation, commissioning, maintenance (pdf 209.74kB)	LTAb	IOM Manual	11/06/2020
Nano certificate (pdf 71.51kB)	Air diffusers	Quality	03/10/2023
Product description - Air diffusers & dampers (pdf 249.19kB)	Air diffusers & dampers	IOM Manual	19/10/2023
Overview - Air diffusers (pdf 3.34MB)	Air diffusers	Brochure	12/07/2022
Commissioning guide - Air diffusers, VAV/CAV- & Commissioning dampers (pdf 7.75MB)	Air diffusers, VAV/CAV- & Commissioning dampers	IOM Manual	19/08/2024

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