VSR-SW - Air-Concepts

VSR-SW

Round single-walled VAV/CAV unit with round inlet and outlet

Standard models ø 100, 125, 160, 200, 250, 315 and 400.
Standard equipped with FloXact™ air velocity sensor with maximum 2% deviation.
Suitable for supply and return.
Suitable for controlling room temperature, room or duct pressure and air quality ( _CO2 and particulate matter).
Suitable for air speeds from 1.0 m/s
Airtightness class D according to LUKA and EN-1751

APPLICATION

The round single-walled VAV units are usually used in ventilation systems to improve comfort and reduce energy consumption. The primary air is then a few degrees below the room temperature. At air temperatures below 15°C, we recommend using insulated units or insulating the unit externally. The unit is controlled by a room sensor with temperature and/or_CO2 or from the building management system and varies the air volume based on cooling demand and/or ventilation requirement.

This results in significant savings in fan energy because, when there is little or no cooling demand, the valve can be partially or even completely closed.

These types of units are now also widely used in stacked housing (apartments) for demand-controlled ventilation based on CO₂ or particulate matter concentration.

FEATURES AND BENEFITS

Air flow sensor: the FloXact™ has a linear gain factor of at least 2.5x, and measures over 6, 8 or 10 measuring points according to the Log-Tchebycheff method. Due to the special profile shape of the FloXact™, it can regulate from 0.7 m/s inlet speed and has a very large control range and a maximum deviation of 2% at 3xD straight flow.
Housing: Magnelis steel (S235+ZM310). This steel with a modern surface treatment with a very high corrosion resistance. It is less harmful to the environment and has a beautiful appearance (comparable to anodized aluminum). Airtightness Class-D according to LUKA and EN-1751.
Valve blade: sandwich construction, 1.5mm SBR sheet rubber with insert between 2 galvanised steel blades. Airtight class 3 according to EN-1751.
Controller: As standard, we supply the VAV units without control equipment or complete with Belimo controllers. Air-Concepts also installs control equipment supplied by third parties such as Priva, Johnson Controls, EasyIO, Distech, KMC, Sauter, Siemens, Honeywell, etc.