VIREO C + ALS
Square nozzle ceiling diffuser for supply air with reduction box
- Flush with the ceiling
- Suitable for VAV-applications
- Fast and easy installation
- Sealing ring, standard for spigot
- Energy efficient with tightness class C, EN 1751:2014
- Plenum box, 360° rotatable
- Reduction box with insulation, valve, and pressure measuring tubes
- Standard swirl spread, alternative 3-way and vertical spread
- Standard black or white rectangular nozzles
- Standard color for the front panel RAL 9003 / NCS S 0500-N
- Other colours upon request
Technical data
| AIR FLOW — SOUND PRESSURE IN ROOM (Lp10A) *) | |||||||
| VIREO Ceiling Size |
25 dB(A) | 30 dB(A) | 35 dB(A) | ||||
| l/s | m3/h | l/s | m3/h | l/s | m3/h | ||
| 125-600 | 35 | 126 | 42 | 151 | 48 | 173 | |
| 160-600 | 43 | 155 | 52 | 187 | 60 | 216 | |
| 200-600 | 78 | 281 | 89 | 320 | 103 | 371 | |
| 250-600 | 92 | 331 | 106 | 382 | 122 | 439 | |
| 315-600 | 118 | 425 | 136 | 490 | 158 | 569 | |
| 400-600 | 170 | 612 | 195 | 702 | 225 | 810 | |
| VIREO Ceiling Size |
ALS Size |
25 dB(A) | 30 dB(A) | 35 dB(A) | |||
| l/s | m3/h | l/s | m3/h | l/s | m3/h | ||
| 125-600 | 100-125 | 22 | 79 | 28 | 101 | 35 | 126 |
| 160-600 | 100-160 | 26 | 94 | 34 | 122 | 45 | 162 |
| 160-600 | 125-160 | 33 | 119 | 40 | 144 | 49 | 176 |
| 200-600 | 125-200 | 34 | 122 | 48 | 173 | 70 | 252 |
| 200-600 | 160-200 | 52 | 187 | 63 | 227 | 78 | 281 |
| 250-600 | 160-250 | 59 | 212 | 78 | 281 | 99 | 356 |
| 250-600 | 200-250 | 70 | 252 | 87 | 313 | 105 | 378 |
| 315-600 | 200-315 | 75 | 270 | 105 | 378 | 130 | 468 |
| 315-600 | 250-315 | 103 | 371 | 125 | 450 | 146 | 526 |
| 400-600 | 250-400 | 103 | 371 | 135 | 486 | 165 | 594 |
| 400-600 | 315-400 | 135 | 486 | 155 | 558 | 190 | 684 |
| Total pressure drop 50 Pa.
*) Lp10A = Sound pressure incl. A-filter with 4 dB room attenuation and 10 m2 room absorption area. |
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