Application
- Floor diffusers as supply air diffusers for comfort areas
- Installation in raised floors without plenum box if it is constructed as a pressurised floor
- Installation in raised floors with plenum box to allow individual ventilation in rooms or zones
- Vertical supply air flow, with adjustable swirl unit also horizontal air flow
- Variants with adjustable swirl units can be manually set to vertical or horizontal air routing
- Attractive design element with various types of surfaces, for building owners and architects with demanding aesthetic requirements
- Comfortable and energy-efficient airflow through supporting convection currents in the occupied zone
- Thermal loads are effectively dissipated
- For constant and variable volume flows
- For supply air temperature differences of –12 - +20 K
Special characteristics
- Simple and quick assembly and covering of the installation opening when used with trim ring and spring clip fixing
- Installation in hard flooring requires a spacing ring The spacing ring is included in the delivery if no trim ring has been selected
- High crush resistance > 17 kN
- The grille insert is torsion-proof and centred in combination with trim ring
- With or without swirl unit to allow for various air patterns
- A dirt trap reduces contamination of the floor and facilitates volume flow rate balancing. It can be adjusted from the diffuser front and back surface
Nominal sizes
Variants
Setting the air flow direction
- -*: no entry: vertical air flow, inalterable
- -V: preset vertical swirling airflow, the swirl vane is manually adjustable
- -H: preset horizontal swirling airflow, the swirl vane is manually adjustable
Installation
- -*-: Floor diffuser with spacing ring
- -KF: Floor diffuser with trim ring and spring clip fixing
Dirt trap
- -*: no entry: without dirt trap
- -SM: with adjustable dirt trap Dirt trap adjustable on the back, the dirt trap can also serve as a reduction element for volume flow rate balancing
- -SV: with adjustable dirt trap Dirt trap adjustable from the diffuser face front, the dirt trap can also serve as a reduction element for volume flow rate balancing
Plenum box
- -*: no entry: without plenum box
- -A: with plenum box for connection to the on-site air duct system
Construction
Surface floor diffuser (floor grille and trim ring)
- -1: Deburred diffuser core
- -3: Deburred diffuser core, painted black, exposed surface overtightened
- -4: Deburred diffuser core, exposed surface overtigthened
Parts and characteristics
Grille insert Floor diffuser
- Ring spacing: 6 mm
- Height-adjustable dirt trap which serves as a reduction element for volume flow rate balancing
- Adjustable swirl unit for vertical or horizontal swirling air flow or air routing
Trim ring with spring clip fixing
- Rotation lock and centring grille insert
- Covers the installation opening
- Spring clip fixing enables different magnitude of the raised floor and the compensation of large cut-out tolerances when creating the installation openings. For the tightest possible fit of the trim ring, we recommend the minimum installation dimension
- Balancing with soft flooring, e.g. carpetWorks well with soft flooring, e.g. carpet
Attachments
- Spacing ring to hold the grille insert for variants without trim ring
- Trim ring with spring clip fixing to accommodate the grille insert and to attach the installation opening
- Adjustable swirl unit for vertical or horizontal swirling air flow
- Fixed swirl unit for vertical air flow (only for nominal size 200)
- Height-adjustable dirt trap which also serves as a reduction element for volume flow rate balancing
Accessories
Plenum box -A:
- For direct connection to the on-site air duct system
- With incorporated air distribution element for a steady flow to the floor diffuser
- Plenum box suitable for all nominal sizes
Material
- Grille insert and trim ring made of die-cast aluminium
- Spring clips made of stainless steel
- Adjustable swirl unit and dirt trap made of ABS plastic, UL94-V-0
- Spacing ring made of plastic ABS UL 94-V-0
- Dirt trap adjustment device and connective marterial made of galvanised steel
- Plenum box made of galvanised sheet steel
Technical data
- Nominal sizes: 150, 200 mm
- Volume flow rate range: 1 – 59 l/s or 4 – 213 m³/h
- Supply air temperature difference: -12 - +20 K
- Crush resistance > 17 kN
