Air diffuser LDU-W

Product overview
Linear slot diffuser for floor installation providing inductive, draught‑free ventilation, heating and cooling in commercial and public interiors. Available as LDU-W with step-resistant grille and as LDU-W/H with impact-resistant grille and integrated reheating coil.

Key benefits

• Quiet, draught‑free air distribution with high induction
• Energy savings through thermal shielding of glazed façades
• Uniform, unobtrusive design for demanding architectural applications
• Suitable for raised and cavity floors; simple fixing
• Flexible outlet grille design to match interior requirements
• Height‑adjustable feet for easy alignment
• Continuous strip appearance in combination with LTG floor units
• LTG System Design: consistent visual and functional integration across different HVAC systems

Technical data
Measured reference: LpA = 35 dB(A)

• Airflow (m³/h): up to 240 | 300 | 350 | 400
• Number of slot rows: 1–5
• Air connection including throttle: Standard
• Device feet: Height‑adjustable (standard)

Design / Options

• Can be combined with LTG floor fan coil units or induction units (LTG System Design)
• Floor grille options: roll grate or linear grille (step-resistant)
• Custom grille materials and finishes on request

Selection of possible grids / grilles

• Aluminum linear grille
• Aluminum roll-up grille
• Stainless steel linear grille
• Wooden roll-up grille

Variations (selection)

• LDU-W — Slot diffuser (this product): airflow up to 240 m³/h | 1–5 slot rows | air connection standard | height‑adjustable feet
• LDU-W/H — Slot diffuser for floor installation with integrated reheating coil: airflow 200 m³/h | 5 slot rows | air connection standard | height‑adjustable feet

Technical specifications

• Model designation: LDU-W
• Product types: LDU-W, LDU-W/H (with integrated reheating coil)
• Airflow options: up to 240 | 300 | 350 | 400 m³/h
• Number of slot rows: 1–5
• Air connection: including throttle (standard)
• Device feet: height‑adjustable (standard)
• Grille options: aluminum linear, aluminum roll-up, stainless steel linear, wooden roll-up
• Measured sound level reference: LpA = 35 dB(A)