Equipment features and characteristics
• TROX Vary Control VAV type ‘TVL’ volume flow control unit is suitable_
for variable or constant air volume control
• Multiple aerofoil blade
• Suitable for small or large supply or extract air volumes
• Electronic volume flow control
• Differential pressure range 20 Pa to 1000 Pa
• Electric or hot water coil heating facilities are available
• TVL units can be operated with any DDC, electronic or pneumatic VAV controller
• TVL units are suitable for an airflow ranging from 45 l/s to 10,100 l/s_
A typical airflow accuracy of ± 5% depending on the airflow rate and Type of controller used
• The unit is tested to:
– ISO 5220 for “Aerodynamic testing and rating of constant and variable dual or single units”
– ISO 3741 for “Determination of sound levels of noise sources – Precision methods for broad-band sources in reverberation rooms”
– The insulation material is tested to BS 470:Part 6 and 7 and is classified as Class ‘O’ under the British Building Regulations
