Air Distribution Products OV-R Air Transfer Device Data Sheet
/ 12 | Transfer Units Table of Contents Description . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Design . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Ordering Code . . . . . . . . . . . . . . . . . . . . . . . . . 6 Accessory . . . . . . . . . . . . . . . . . . . . . . . . . . .
Transfer Units Description OV-R is a wall air transfer unit with sound attenuation elements. It is intended for air transfer between neighbouring residential, hotel, office rooms etc. Highlights • Outstanding sound attenuation • Low generated sound level in operation • Low air transfer resistance • Inconspicuous, slim and compact design • Easy and quick installation Accessory Detailed information about accessories for OV-R is available on page 7.
/ 12 | Transfer Units Design The OV-R wall air transfer device consists of two covers from carbon sheet steel with powder coating. Acoustic attenuation foam is attached to the the inner side of the covers. Acoustic attenuation foam lining mat AL-OV-R for the wall opening is a part of the OV-R package. Product Parts 2 3 1 Fig.
Transfer Units øD3 øD 1 øD 2 Dimensions øD 3 W Fig. 2: Dimensions of OV-R Tab.
/ 12 | Transfer Units Ordering Code OV-R- - 100 125 160 Nominal size øD 200 Signal white RAL9003 Surface finish 1) Other RAL colour SW RALXXXX NOTE: 1) If no colour is stated in the ordering code, the diffuser will be delivered in the RAL 9003 signal white colour. Example of Ordering Code OV-R-125-SW Wall air transfer device, nominal size 125 mm, signal white (RAL9003).
Transfer Units | 7 / 12 Accessory AL-OV-R Acoustic Wall Mat Description Ordering Code The acoustic mat is foreseen to improve the acoustic attenuation of the wall transfer unit OV-R. AL-OV-R is part of delivery of OV-R transfer unit. For walls less than 150 mm thick the mat can be cut to the length corresponsing to the wall thickness. For the walls thicker than 150 mm an additional mat can be ordered as accessory.
/ 12 | Transfer Units Technical Parameters Legend ps Pa Pressure drop qV l/s m3/h 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 Dn,e,w dB Airborne sound insulation Gypsum Plaster Studded Wall Transfer Wall Thickness Unit (mm) OV-R-100 OV-R-125 OV-R-160 OV-R-200 Total Dn, e, w f (dB) (Hz) → Airborne Sound Insulation Dn, e, w (dB) for different frequencies 100 125 160
| 9 / 12 Transfer Units OV-R-100 Pa 20 OV-R-160 25 30 35 l/s Pa 40 50 60 70 80 l/s 40 dB(A) 40 dB(A) 40 40 35 dB(A) 35 dB(A) 30 30 30 dB(A) 30 dB(A) 20 20 25 dB(A) 70 80 90 25 dB(A) 100 110 120 130 140 m³/h Diagram 1: Pressure drop and radiated sound power level dependent on transfer air flow volume 140 32 180 200 220 240 260 280 300m³/h Diagram 3: Pressure drop and radiated sound power level dependent on transfer air flow volume OV-R-125 Pa 28 160 OV-R-200 36 40
/ 12 | Transfer Units Installation, Maintenance & Operation Information about installation, maintenance and operation is available in the “UserManual_OV-R” document on Systemair DESIGN. Dry indoor conditions with an operation temperature range of -20°C to +70°C. Transport & Storage Dry indoor conditions with a temperature range of -40°C to +50°C. Supplement Any deviations from the technical specifications contained herein and the terms should be discussed with the manufacturer.
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