TVZ SERIES
VAV flow controllers for supply systems with variable air flow with increased noise requirements
With built-in high-performance silencer
Rectangular body reduces air speed
Electronic controllers (Easy, Compact, Universal and LABCONTROL) for various applications
Allowable air speed up to 13 m/s
Damper tightness according to EN 1751, class 4
Housing tightness according to EN 1751, class A
Optional equipment
Soundproofing coating to reduce noise generated by the chassis
Additional silencer TS Series to reduce noise generated by air flow
Water heating heat exchanger WT Series for secondary air heating
Description
VAV air flow controllers are equipped with an effective pressure sensor to measure air flow.
The control component (accessories) includes an effective pressure transducer that converts the effective pressure into an electrical signal, a controller and an actuator; Control functions can be implemented using Easy or Compact controllers, as well as using individual components (Universal or LABCONTROL).
For most applications, the setpoint comes from the room temperature controller.
The controller compares the actual value with the setpoint and modifies the drive control signal if there is a difference between the two values.
A built-in silencer reduces noise caused by restricted airflow.
The air flow rate on the room side, due to the larger rectangular cross-section, is approximately half the speed in a circular duct.
Size 125 – 400 mm
Air flow range 14 – 2007 l/s or 50 – 7228 m³/h
Air flow control range (Dynamic differential pressure controller) Approx. 10 – 100% of nominal flow
Minimum pressure drop
Up to 123 Pa (without additional muffler)
Maximum pressure drop 1000 Pa
Operating temperature 10 – 50 °C
① Effective pressure sensor
② Double seal
③ View window
④ Shutter
⑤ Built-in drive
⑥ Control component, e.g. Easy Controller