Swirl diffusers, Variable swirl diffusers Swirl diffusers

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1 Swirl diffuser OD-7 Fixed blades Different installation possibilities Three possible diffuser shapes St R 90 CD OD-7/R OD-7/K OD-7/RC OD-7/K/PM F 9 x9 φd1 C C F x F C φ D2 φ D 1 9 x 9 Size ФD1 ФD2 ФD F C ef (m²) ef efective discharge area (m²) Type OD-7/K with plate (F = 9) is suitable for ceiling rasters of 00 mm. (all sizes available) Installation radnja s priključno komoro. Suspension gradnja z obešali brackets (0) (O) 11 dnja Installation s pomočjo with reducirja. spigot (Spigot and diffuser are connected) Installation with spigot (Spigot and diffuser are connected)

2 Possible installations Installation on cross-bar with central screw (S) Installation on spigot with central screw (S) Fixing with spring clamps (F) Spigot dimensions Installation on cross-bar with central screw (S). Installation on spigot with central screw (S). Fixing with spring clamps (F). VENTITING GRIES, VENTITING VVES CIRCUR DIFFUSERS, SQURE DIFFUSERS Size ФD1 ФD φ D0 SWIR DIFFUSERS, VRIE SWIR DIFFUSERS SOT DIFFUSERS, ROUND DUCT DIFFUSERS Plenum box dimensions Size 1 h1 Фd ФD ФD Plenum box 2. Inlet spigot. Dispersing plate (only for supply) 4. Volume control damper M. Traverse. Diffuser OD-7 7. dapter 1 7 x φ D φ D2 h1 φ d 1 IR DISPCEMENT UNITS SUPPY IR NOZZES Round plenum box Size ФD ФD1 ФD2 h1 Фd Plenum box 2. Inlet spigot. Dispersing plate (only for supply) 4. Volume control damper (M). Suspension bracket. Diffuser OD φ D 4 2 φ d EXTERN EEMENTS IR FOW CONTRO UNITS φ D2 SOUND TTENUTORS, SOUND TTENUTING OUVRES 119

3 Ordering key OD 7 / R / / O Size, 12,,,, 2, 1,, 0 O Three hangers on the diffuser Spigot S Central fastening (delivered without cross-bar) S Central fastening on spigot ST Central fastening with cross bar F Spring fastening R Circular diffuser (funnel) K Square diffuser (funnel) RC Circular diffuser (without funnel) K/PM Square diffuser with perforated diffuser face Ordering key for OD-7 with plenum box OD 7 R / Z / S / M / I Size, 12,,,, 2, 1,, 0 I Thermal insulation (PE), thickness mm on the outside of the plenum box I9 Sound and thermal insulation (from - C to C) thickness 9 mm on the outside of the plenum box (the material is synthetic rubber-based) I19 Sound and thermal insulation (from - C to C) thickness 19 mm on the outside of the plenum box (the material is synthetic rubber-based) M Volume control damper in the entry spigot OK Measuring damper (only in combination with- R/S-air exhaust round plenum box side entry spigot and /S air exhaust square plenum box side entry spigot) S Side entry spigot Z ir supply (square plenum box) ZR ir supply (round plenum box) ir exhaust (square plenum box) R ir exhaust (round plenum box) R Circular diffuser (funnel) K Square diffuser (funnel) RC Circular diffuser (without funnel) K/PM Square diffuser with perforated diffuser face K/size/00 OD-7/K/size/00 in the plate 9/9 is suitable for suspended ceiling with raster 00 mm. Ordering key: OD-7/K size /9, 12/9, /9, /9, /9, 2/9, 1/9. Fast selection diagram OD-7/R, OD-7/K Pa - Pa 2 - d() - 4 d() Q () 1

4 Definition of symbols Q (m³/h) x (m) (m) 1 (m) (m) V (m/s) Δt z (K) Δt (K) ir flow orizontal distance to the wall Room height Distance from ceiling to occupied zone Throw distance (=1+x) ir velocity at the throw distance Temperate difference between the supply and room air Difference between the core and room air temperature Pressure drop Sound power level ir velocity at the 1 distance Δp t (Pa) W (d()) V 1 (m/s), (m) Distance between diffusers by length and by width Q t z, V 1 t Q t z x 1 1.m V t VENTITING GRIES, VENTITING VVES CIRCUR DIFFUSERS, SQURE DIFFUSERS SWIR DIFFUSERS, VRIE SWIR DIFFUSERS ir velocity of the throw distances (with ceiling effect) v1 (m/s) Size 1= 0,9 1,2 1, 2,0 m 0, 0, 0,0 0,1 1 0m /h 4,00 m 00 2 v1 (m/s) 1= 0,9 0,0 0, 0,0 0,1 1,2 1, 2,0 m 0 m /h 1 = 2,-4 m 00 2 v (m/s) = 0, 1,0 2,0,0 m 0,70 0,0 0, 0, 0,0 0,1 0 t/ tz ,1 0,0 0,0 t / tz SOT DIFFUSERS, ROUND DUCT DIFFUSERS IR DISPCEMENT UNITS v1 (m/s) Size 12 Size 12 1 = 0,9 1,2 1, 2,0 m 0,0 0, 0,0 0, , 2,0,0 4,0,0 m 4,00 m 00 v1 (m/s) 1= 0,9 0,0 0, 0,0 0,1 1,2 1, 2,0 m 1 2 1, 2,0,0 4,0,0 m 2 =2,-4 m v (m/s) = 0, 1,0 2,0,0 m 0,0 0, 0,0 0,1 1, 2,0,0 4,0 7,0,0 m t / t Z 0,1 0,0 0,0 t / tz SUPPY IR NOZZES EXTERN EEMENTS Size 1, 2,0,0 4,0,0 m 1, 2,0,0 4,0,0 m 1, 2,0,0 4,0 7,0,0 m IR FOW CONTRO UNITS SOUND TTENUTORS, SOUND TTENUTING OUVRES 121

5 Size =2,-4m 1 = 0,9 1,2 1, 2,0 m 1 = 0,9 1,2 1, 2,0 m = 0, 1,0 2,0,0 m 0,4 0, V = m /h 0,4 0, V = m /h 1 0,4 0,0 0,0 v1 (m/s) 0,2 0,1 0,1 0,0 0, ,2 0,1 0,1 v1 (m/s) 0,0 0,0 7 v (m/s) 0, 0,2 0,1 0,1 t/ tz 2 V = m /h ,0 t/ tz 0,7 1 1, 2 4 0,7 1 1, 2 4 0,7 1 1, 2 7 0,0 ir velocity of the throw distances (with ceiling effect) v1 (m/s) Size 1= 0,9 1,2 1, 2,0 m 0,0 0, 0,0 0, ,00 m v1 (m/s) 1= 0,9 1,2 1, 2,0 m 0, 0,0 0, =2,-4 m 0 0 v (m/s) = 0, 1,0 2,0,0 m 0,70 0, 0, 0,0 0,1 t / t Z ,1 0,0 0,0 t/ tz v1 (m/s) 1= 0,9 1,2 1, 2,0 m 0, 0, 0,0 0,1 Size , 2,0,0 4,0,0 m v1 (m/s) 1= 0,9 1,2 1, 2,0 m 0, 0, 0,0 0,1 1, 2,0,0 4,0,0 m = 2,-4 m v (m/s) = 0, 1,0 2,0,0m 0, 0, 0,0 0,1 1, 2,0,0 4,0,0 7, t / t Z,0 m 0,1 0,0 0,0 t / t Z Size 2 Size 2 1 = 0,9 1,2 1, 2,0 m 1, 2,0,0 4,0,0 m 1 = 0,9 1,2 1, 2,0 m 1, 2,0,0 4,0,0 m = 2,-4 m = 0, 1,0 2,0,0m 1, 2,0,0 4,0 7,0 0 00,0 m v1 (m/s) 0, 0,0 0, v1 (m/s) 0, 0,0 0, v (m/s) 0, 0,0 0,1 t / t Z 2 1 0,1 0,0 0,0 t / t Z Size 1 1, 2,0,0 4,0,0 m 1, 2,0,0 4,0,0 m 1, 2,0,0 4,0 7,0,0 m 122

6 v1 (m/s) 1 = 0,9 1,2 1, 2,0 m 0,0 0, 0,0 0,1 Size v1 (m/s) 1 = 0,9 1,2 1, 2,0 m 0,0 0, 0,0 0, = 2,-4 m v (m/s) = 0, 1,0 2,0,0m 0, 0,0 0,1 1 t / t Z ,1 0,0 0,0 t / t Z VENTITING GRIES, VENTITING VVES CIRCUR DIFFUSERS, SQURE DIFFUSERS v1 (m/s) v1 (m/s) 1 = 0,9 1,2 1, 2,0 m 0, 0,0 0,1 4,00m = 2,-4 m 1 = 0,9 1,2 1, 2,0 m 1= 0,9 1,2 1, 2,0 m =0, 1,0 2,0,0m 0, 0,0 0,2 0,1 Size Size V= m /h , 2,0,0 4,0,0 m 1, 2,0,0 4,0,0 m 0,7 1 1, v1 (m/s) v1 (m/s) 1= 0,9 0, 0,1 0, 0,0 0,2 0,1 0, 0,0 1,2 1, 2,0 m V= m /h 0,7 1 1, 2 4 Pressure drop and sound power level The diagram values apply to OD-7 with plenum box, at % open regulation blade. ine is for OD-7/RC, ine is for OD-7/R and OD-7/K , 2,0,0 4,0,0 m = 2,-4 m , 2,0,0 4,0,0 m v (m/s) v (m/s) = 0, 1,0 2,0,0m 0,0 0, 0,0 0,2 0,1 0,70 0,0 0, 0, 0,1 1, 2,0,0 4,0 7,0,0 m t / t Z 1, 2,0,0 4,0 7,0,0 m V= m /h t / t Z 0,1 0,0 0,0 0,0 0,0 0,0 0,7 1 1, 2 7 t / t Z t / t Z SWIR DIFFUSERS, VRIE SWIR DIFFUSERS SOT DIFFUSERS, ROUND DUCT DIFFUSERS IR DISPCEMENT UNITS SUPPY IR NOZZES EXTERN EEMENTS OD-7 OD W (d()) Q (m /h) 0 4 OD Q (m /h) W (d()) OD-7 D Q (m /h) W (d()) IR FOW CONTRO UNITS SOUND TTENUTORS, SOUND TTENUTING OUVRES OD-7 12

7 OD-7 OD-7 OD W (d()) Q (m /h) OD W (d()) Q (m /h) OD W (d()) Q (m /h) 4 OD W (d()) Q (m /h) OD W (d()) Q (m /h) OD Q (m /h) W (d()) Correction factor for PM version Δpt (Pa) X 1.2 wa (d()) X