VVKR-F Diffuser, Compatible Accessory THOR-F Handbook
/41 | VVKR-F Table of Contents Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Dimensions & Weights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Ordering Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
/41 | VVKR-F Description VVKR-F is a square swirl diffuser with adjustable deflectors for installation in T-bar suspended ceilings. It is intended for air supply and eventually can be used for air extract. The recommended installation height is up to 4 m. The field of application is offices, schools, medical premises, shops, halls and corridors.
/41 | VVKR-F Product Parts 3a 3a 3b 5 6 6 7 4 2 3b 1 5 Legend 1 Backing box 2 Connection with rubber gasket 3 Spring clips for diffuser plate fixing (inside the backing box) 4 Diffuser plate 5 Safety cable (inside the backing box) 6 Commissioning tubes pull cut-outs 7 Adjustable deflectors
/41 | VVKR-F Dimensions & Weights 556 82 42 øD W DN øD W VVKR-F 125 123 160 158 200 198 250 248 m kg mm 595 4,6 620 4,8 595 4,6 620 4,8 595 4,6 620 4,8 595 4,6 620 4,7
/41 | VVKR-F Ordering Codes Size - inlet ø (mm) 125 160 200 250 T-bar ceiling raster (mm) 600 625 Surface finish SW Signal white (RAL9003, gloss 30%) RALxxxx Other colour powder coating Example of the Ordering Code VVKR-F-250-600-B-SW Diffuser of connection size 250 mm, for T-bar ceiling with raster 600mm, black deflectors, signal white RAL9003.
/41 | VVKR-F Accessories THOR-F Plenum Box Description The THOR-F plenum box is used together with air diffusers for pressure reduction, airflow balancing and sound attenuation as well as for measuring and adjusting the air flow. The plenum box can be used for air inlet and extract. Design THOR-F plenum boxes are manufactured from hot-dip galvanized sheet steel with inlet connection sleeve fitted with a rubber seal tested for air-tightness.
/41 | VVKR-F Dimensions (mm) 40 F C øD1 8,5 THOR-F G øD2 E A B A B C øD1 100-125 320 267 150 100-160 320 267 125-200 360 160-250 450 THOR-F øD2 E F G m 98 125 243 75 132 3,8 150 98 160 225 75 132 3,8 267 160 123 200 245 80 147 4,4 317 195 158 250 310 98 162 6,1 mm kg Ordering Codes Nominal size: Inlet-Outlet 100-125 100-160 125-200 160-250 Example of the Ordering Code THOR-F-100-125 Plenum box THOR-F with 100 mm circular inlet and 125 mm circu
/41 | VVKR-F THOR Plenum Box Description The THOR plenum box is used together with air diffusers for pressure reduction, airflow balancing and sound attenuation as well as for measuring and adjusting the air flow. The plenum box can be used for air inlet and extract. Design THOR plenum boxes are manufactured from hot-dip galvanized sheet steel with inlet connection sleeve fitted with a rubber seal tested for air-tightness.
/41 | VVKR-F Dimensions (mm) 40 F C øD1 8,5 THOR 57 øD2 E A B øD2 E F m 98 126 185 75 2,5 160 123 161 210 80 2,9 317 195 158 201 280 98 4,0 367 250 198 251 305 125 5,4 A B C 100-125 320 267 150 125-160 360 267 160-200 450 200-250 500 THOR øD1 mm kg
/41 | VVKR-F Ordering Codes Nominal size: Inlet-Outlet 100-125 125-160 160-200 200-250 Example of the Ordering Code THOR-100-125 Plenum box THOR with 100 mm circular inlet and 125 mm circular outlet (nominal dimensions).
/41 | VVKR-F THOR-E Plenum Box Description The THOR-E plenum box is used together with air diffusers for pressure reduction, airflow balancing and sound attenuation as well as for adjusting the air flow. The plenum box can be used for air supply and extract. Design THOR-E plenum boxes are manufactured from hot-dip galvanized sheet steel with inlet connection sleeve without gasket. The inlet can be equipped by a simple sheet metal damper that is adjustable by pull-ropes from outside.
/41 | VVKR-F Dimensions (mm) 40 F C øD1 8,5 THOR-E 50 øD2 E A B øD2 E F m 98 126 185 75 2,3 160 123 161 210 80 2,6 317 195 158 201 280 98 3,7 367 250 198 251 305 125 4,9 A B C 100-125 320 267 150 125-160 360 267 160-200 450 200-250 500 THOR-E øD1 mm kg
/41 | VVKR-F Ordering Codes Nominal size: Inlet-Outlet 100-125 125-160 160-200 200-250 Damper D1 Adjustment damper - Without damper Example of the Ordering Code THOR-E-100-125-D1 Plenum box THOR-E with 100 mm circular inlet and 125 mm circular outlet (nominal dimensions) with damper.
/41 | VVKR-F CBO Connection Box Description CBO is a connection box for the diffusers. It is recommended for use in installations with limited vertical space. It connects the diffuser with the horizontal duct so that the needed installation space height is less than 285 mm for the largest nominal size. Design CBO is made from galvanized steel sheet. It has an immersed circular connection with nominal size for the diffuser.
/41 | VVKR-F H DN L 40 A C+46 B 50 C Dimensions CBO (VVKR-F) DN A B C L H kg mm 125 212 196 m 158 ø123 1,3 1,8 2,4 160 247 231 193 ø158 200 287 271 233 ø198 250 337 319 233 277 Ordering Codes Nominal outlet size ø (mm) 125 160 200 250 Example of the Ordering Code CBO-125 Connection box CBO with 125 mm circular outlet (nominal dimensions).
/41 | VVKR-F Technical Parameters Legend ps (Pa) Pressure drop qV (m3/h or l/s) Air flow volume LWA (dB(A)) A-weighted total radiated sound power level LpA (dB(A)) A-weighted total sound pressure level expressed for 10 m² room absorption area LW (dB) Non weighted total sound power level L0,2 (m) Air throw length with terminal velocity 0,2 m/s Lx (m) x (m/s) Air throw length calculated for specific terminal velocity Terminal velocity in range of 0,1 m/s ...
/41 | VVKR-F Pressure drop and radiated sound power level dependent on air flow volume. Connected directly to the duct. Throw length with terminal velocity 0,2 m/s dependent on air flow volume.
/41 | VVKR-F Pressure drop and radiated sound power level dependent on air flow volume. Connected directly to the duct. Throw length with terminal velocity 0,2 m/s dependent on air flow volume.
/41 | VVKR-F Pressure drop and radiated sound power level dependent on air flow volume, measured with THOR-F plenum box. Throw length with terminal velocity 0,2 m/s dependent on air flow volume.
/41 | VVKR-F Pressure drop and radiated sound power level dependent on air flow volume, measured with THOR-F plenum box. Throw length with terminal velocity 0,2 m/s dependent on air flow volume.
/41 | VVKR-F Pressure drop and radiated sound power level dependent on air flow volume, measured with THOR plenum box. Throw length with terminal velocity 0,2 m/s dependent on air flow volume.
/41 | VVKR-F Pressure drop and radiated sound power level dependent on air flow volume, measured with THOR plenum box. Throw length with terminal velocity 0,2 m/s dependent on air flow volume.
/41 | VVKR-F Pressure drop and radiated sound power level dependent on air flow volume, measured with THOR-E plenum box. Throw length with terminal velocity 0,2 m/s dependent on air flow volume.
/41 | VVKR-F Pressure drop and radiated sound power level dependent on air flow volume, measured with THOR-E plenum box. Throw length with terminal velocity 0,2 m/s dependent on air flow volume.
/41 | VVKR-F Pressure drop and radiated sound power level dependent on air flow volume, measured with CBO plenum box. Throw length with terminal velocity 0,2 m/s dependent on air flow volume.
/41 | VVKR-F Pressure drop and radiated sound power level dependent on air flow volume, measured with CBO plenum box. Throw length with terminal velocity 0,2 m/s dependent on air flow volume.
/41 | VVKR-F Installation i + + = = "VVKR-F" "VVKR-F" + "THOR-F" "THOR-F"
/41 | VVKR-F i 1. A1 2. B 3.
/41 | VVKR-F 4. D1 D2 1×"M8" ✓ 1×E/3×F E1 E2 E3 3×"M8" ✓ 5.
/41 | VVKR-F + 6. 45 ≤ ... ≤ 60 i 7. F1 8.
/41 | VVKR-F 9. G1 G2 ✓ 10.
/41 | VVKR-F SUPPLY 11. = 1. 12. = 2. 13. 14. I = 10. 15.
/41 | VVKR-F EXTRACT 16. K1 K2 K3 b a a/b 17. = 1. 18. = 2. 19. ✓ L 20. = 10. 21.
/41 | VVKR-F EXTRACT k EXTRACT VVKR-F m /h 125-8 25,15 160-16 200-24 l/s k EXTRACT THOR m /h 6,98 125-8 100-125 24,28 29,33 8,15 160-16 125-160 52,87 14,69 200-24 160-200 250-32 71,84 19,96 250-32 200-250 EXTRACT k VVKR-F m /h l/s VVKR-F THOR m /h l/s VVKR-F THOR-F m3/h l/s 125-8 36,21 10,06 125-8 100-125 37,17 10,33 125-8 100-125 33,28 9,24 160-16 44,39 12,33 160-16 125-160 44,55 12,37 160-16 100-160 39,47 10,96 200-24 80,73 22,42 200-2
/41 | VVKR-F 24. 22. = 1. 23. = 2. 25. = 12.
/41 | VVKR-F 26.
/41 | VVKR-F ✓ P1 P2 P4 P5 ✓ P3 ✓ ✓
/41 | VVKR-F Transport, Storage and Operation
/41 | VVKR-F Supplement Any deviations from the technical specifications contained herein and the terms should be discussed with the manufacturer. We reserve the right to make any changes to the product without prior notice, provided that these changes do not affect the quality of the product and the required parameters. Current information on all products is available on design.systemair.com.
Systemair DESIGN • 2022-06-17 • Handbook_VVKR_F_en-GB • Original instructions
