Swirl diffusers Variable swirl diffusers
OD-4 OD-11, OD-11V OD-17 OD-7 OD-9 OD-5 OD-14 KD-8 OD-8 OD-
180 242 263 2.7 276 342 368 342
4 4 442 442 560 560 460 460 295x295 295x295 0 395x395 395x395 0 495x495 495x495 0 595x595 595x595 600 6x3 6x6 625 36 22 22 64 42 42 80 68 68 * tolerances according to standard DIN 7168 T1, middle tolerance class (m) ±0.8 mm Air flow Horizontal distance to the wall Room height Distance from ceiling to occupied zone Throw distance (L=H1+x) Air velocity at the throw distance L Temperature difference between supply and room air Temperature difference between air jet and room temperature Pressure drop Sound power level Air velocity at the H1 distance Distance between diffusers by length and by width Isothermal throw lenght, when velocity of supply air jet 0.2 m/s for 4 way discharge H L z A,B V H1 L z x H1 L1.8m V L L
L WA [db (A)] 28 31 36 39 43 p t [Pa] 18 25 34 57 70 L 0.2 [m] 3.8 4.6 4.8 5.0 5.2 L WA [db (A)] 27 34 38 41 44 p t [Pa] 17 24 33 43 54 67 L WA [db (A)] 27 31 37 43 49 p t [Pa] 11 17 26 37 51 66 L 0.2 [m] 3.9 4.7 4.9 5.1 5.3 L WA [db (A)] 26 29 34 37 p t [Pa] 16 25 36 49 64 L WA [db (A)] 26 28 34 39 43 p t [Pa] 9 14 21 28 37 47 L 0.2 [m] 2.8 3.2 3.6 4 4.2 4.6 L WA [db (A)] 26 28 33 38 42 p t [Pa] 22 29 38 49 L WA [db (A)] 28 31 38 41 43 p t [Pa] 11 19 24 43 L 0.2 [m] 2.9 3.3 3.7 4.1 4.3 4.7 L WA [db (A)] 27 29 32 38 41 p t [Pa] 14 19 23 29 42 L WA [db (A)] 26 29 33 37 41 44 p t [Pa] 13 18 25 32 41 L 0.2 [m] 1.8 2.2 2.4 2.8 3.2 3.6 L WA [db (A)] 26 28 32 37 41 44 p t [Pa] 12 17 24 31 39 48 L WA [db (A)] 28 32 36 44 47 p t [Pa] 22 29 39 49 L 0.2 [m] 1.9 2.3 2.5 2.9 3.3 3.7 L WA [db (A)] 29 31 44 47 p t [Pa] 9 21 29 38 47
L WA [db (A)] 29 32 39 41 44 p t [Pa] 13 16 21 26 31 37 L 0.2 [m] 2.6 3 3.6 4.4 5.2 5.8 L WA [db (A)] 29 31 38 41 44 p t [Pa] 13 17 21 27 32 38 L WA [db (A)] 33 37 43 p t [Pa] 13 17 21 26 32 38 L 0.2 [m] 2.8 3.2 3.8 4.7 5.4 6.2 L WA [db (A)] 33 37 43 p t [Pa] 13 17 21 26 32 38 * L WA and p t are given at % open regulation damper φ d H2 φ d h1 H1 top entry spigot side entry spigot measuring damper 290 2 8 143 2 390 285 198 163 280 488 285 198 163 280 590 3 248 188 3 590 3 248 188 3 * tolerances according to standard DIN 7168 T1, middle tolerance class (m) ±0.8 mm
A x A n d h1 φ d H1 H2 side entry spigot top entry spigot measuring damper 280x280 2 0 125 123 390x390 290 2 167 198 390x390 290 2 167 198 590x590 325 2 177 248 590x590 325 2 177 248 * tolerances according to standard DIN 7168 T1, middle tolerance class (m) ±0.8 mm 0KK/Z/S/M % % 0KK/Z/V/M % % 0KR/ZR/S/M % % 0KR/ZR/V/M % % 0 2 0 3 0 4 0 2 0 3 0 4 0 175 0 225 2 275 0 0 175 0 225 2 275 0 2 0KK/Z/S/M % % 0KK/Z/V/M % % 0KR/ZR/S/M 0KR/ZR/V/M 0 3 0 4 0 2 0 3 0 4 0 1800 2 0 3 0 4 1800 2 0 3 0 4 % % % % 600,625KK/Z/S/M % % 600,625KK/Z/V/M % % 600,625KR/ZR/S/M % % 600,625KR/ZR/V/M % % 3 0 4 0 5 600 6 3 0 4 0 5 600 6 0 3 0 4 056006 0 3 0 4 056006
0KK/Z/S/M 0KK/Z/V/M % % % % 125 0 175 0 225 2 125 0 175 0 2252 80 125 0 175 0 80 125 0 175 0 13 7 9 6 5 7 13 8 9 5 4 5 5 13 8 13 9 7 7 7 12 7 8 5 8 7 7 9 8 8 8 5 5 7 7 6 5 4 4 7 11 8 12 7 6 7 12 8 8 8 8 9 9 7 7 7 7 5 7 9 7 5 7 4 4 6 9 8 9 7 5 5 6 9 7 5 5 5 5 6 7 7 6 3 4 6 9 6 8 2 3 4 5 5 8 7 6 4 4 5 9 8 5 3 4 4 6 * Sound attenuation represents insertion losses; this means reduction in the level of sound power due to the inserted unit (swirl diffuser OD-). 0KR/ZR/S/M % % 0KR/ZR/V/M % % Volume control damper in the entry spigot Measuring damper (only in combination with AR/S air exhaust round plenum box side entry spigot and A/S air exhaust square plenum box side entry spigot) Side entry spigot Vertical entry spigot Exhaust air square plenum box Supply air square plenum box Exhaust air round plenum box Supply air round plenum box Square diffuser plate, square nozzle arrangement central fastening Square diffuser plate, square nozzle arrangement fastening with four screws Square diffuser plate, radial nozzle arrangement central fastening Square diffuser plate, radial nozzle arrangement, fastening with four screws Circular diffuser plate, radial nozzle arrangement central fastening Fastening with four screw is recommended for size 600, 625. Versions KK4 and KR4 for dimensions 0, 0 and 0 are available only when ordering the diffuser plate without the plenum box.