Type TRS-K
15Pages

Ventilation grilles for instal lation into walls, sills or rec tangular ducts Type TRS-K Ventilation grilles, made of galvanised sheet steel, with individually adjustable, vertical blades, for installation into rectangular ducts Ventilation grille with droplet shaped blades ■■ Nominal sizes 225 × 75 to 1225 × 325 mm ■■ Volume flow rate range 11 – 1305 l/s or 40 – 4698 m³/h ■■ Grille face made of galvanised sheet steel ■■ Front border with countersunk holes, 27 mm wide Optional equipment and accessories ■■ Grille face in RAL CLASSIC colours ■■ Installation subframe ■■ Attachments for volume flow rate balancing and

Ventilation grilles for installation into walls, sills or rectangular ducts General information Type TRS-K Page General information Function Technical data Quick sizing Specification text Order code Dimensions and weight Product details Installation details Commissioning Basic information and nomenclature TRSK – 2 TRSK – 3 TRSK – 6 TRSK – 7 TRSK – 8 TRSK – 9 TRSK – 10 TRSK – 12 TRSK – 13 TRSK – 14 TRSK – 15 Application – Ventilation grille of Type TRS-K as supply air or extract air variant for comfort zones and industrial zones – Directed supply air discharge for mixed flow ventilation –...

Ventilation grilles for installation into walls, sills or rectangular ducts Functional description Ventilation grilles are air terminal devices for the supply air and extract air of ventilation and air conditioning systems. They direct the supply air into the room. Ventilation grilles with adjustable blades allow for adapting the discharge direction to the local conditions. The result is a mixed flow ventilation in comfort zones and industrial zones, with good overall room ventilation. Induction slows the airflow down, i.e. the airflow velocity decreases as the distance from the grille...

Ventilation grilles for installation into walls, sills or rectangular ducts Air pattern with ceiling effect, sectional view Air pattern without ceiling effect, sectional view Distance from ceiling ≤ 0.3 m Air pattern with ceiling effect, top view Air pattern without ceiling effect, top view Air pattern with ceiling effect, group of grilles, top view Distance between single grilles ≥ 0.15 × lS Distance from ceiling ≤ 0.8 m Air pattern without ceiling effect, group of grilles, top view Distance between single grilles ≥ 0

Ventilation grilles for installation into walls, sills or rectangular ducts Air pattern, group of grilles, top view b < 0.1 × lS Several single grilles arranged in a row and with not much distance between them have the same effect as a continuous horizontal run.

Ventilation grilles for installation into walls, sills or rectangular ducts Technical data Nominal sizes Minimum volume flow rate Maximum volume flow rate, with LWA max. 40 dB(A) without attachments Supply air to room air temperature difference Volume flow rates apply to supply air Geometric free area H mm Effective air discharge area (supply air) H mm Effective area of extract air grille H mm

Ventilation grilles for installation into walls, sills or rectangular ducts Quick sizing × LWA = 40 dB(A) with unrestricted airflow+ LWA = 40 dB(A) with airflow restricted

Ventilation grilles for installation into walls, sills or rectangular ducts Specification text This specification text describes the general properties of the product. Texts for variants can be generated with our Easy Product Finder design programme. Ventilation grilles, rectangular, made of galvanised sheet steel, for supply and extract air. Aesthetic sloped border with chamfered inside edge Installation preferably in rectangular ducts. Ready-to-install component which consists of a border and individually adjustable, vertical blades. Countersunk holes for fixing the grille to the...

Ventilation grilles for installation into walls, sills or rectangular ducts Order code  Type TRS-K Single grille  Variants and attachments Variants KA Grille face with vertical blades KD Grille face with individually adjustable vertical and horizontal blades for air direction control  Surface No entry: galvanised grille face P1 Powder-coated, specify RAL CLASSIC colour Gloss level RAL 9010 50 % RAL 9006 30 % All other RAL colours 70 % Attachments KS Hit and miss damper for TRS-K-KA K5 Slanting hit and miss damper for TRS-K- KD  Nominal size [mm] L × H  Installation subframe No entry:...

Ventilation grilles for installation into walls, sills or rectangular ducts The weight table shows the available nominal sizes TRSK-KA, 27 mm wide front border Weights apply to ventilation grilles without attachments TRSK-KD, 27 mm wide front border

Ventilation grilles for installation into walls, sills or rectangular ducts Weights apply to ventilation grilles without attachments

Ventilation grilles for installation into walls, sills or rectangular ducts Product details

Ventilation grilles for installation into walls, sills or rectangular ducts Installation details Installation and commissioning – Installation preferably in rectangular ducts – Installation with or without installation subframe – If no installation subframe is used, the border should be fixed with screws These are only schematic diagrams to illustrate installation details.

Ventilation grilles for installation into walls, sills or rectangular ducts Volume flow rate balancing When several ventilation grilles are installed on the same duct, it may be necessary to balance the volume flow rates. – AG: Damper unit with opposed action blades, adjustable, secured with a locking screw – AS: Damper unit with hit and miss damper, adjustable, secured with a locking screw Air pattern – Adjustable blades: Set the air control blades individually or together and depending on the local conditions – D, DG: Air control blades, fitted at 90° to the front blades, can be adapted...