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CAV controllers

EN (Generation 3) with actuator

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Visual display of the damper blade position

EN3_300x200_3d_02.psd.png
CAV controllers

Actuator for switching between setpoint values or steady operation

EN3_500x400_3d_02.psd.png
CAV controllers

Large dimensions as double version

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Tested to VDI 6022

Conforms to VDI 6022

EN3_300x200_3d_01psd.png
EN_gc_sv_Detail_01.psd.png
EN3_300x200_3d_02.psd.png
EN3_500x400_3d_02.psd.png
doc_graphic_000009.png

EN  

For precise control of normal to high constant volume flow rates

Rectangular, mechanically self-powered air terminal units for supply and extract air systems with constant air volume flows


  • Suitable for volume flow rates up to 12600 m³/h or 3500 l/s
  • Volume flow rate adjustment from outside by rotary knob
  • Easy retrofitting of an actuator for volume flow setpoint adjustment
  • High control accuracy
  • No on-site test measurements required for commissioning
  • Casing air leakage to EN 1751, class C
  • Visual display of the damper blade position for operating point optimisation

 


Optional equipment and accessories


  • Acoustic cladding for the reduction of case-radiated noise
  • Secondary silencer Type TX for the reduction of air-regenerated noise
  • Hot water heat exchanger Type WT for reheating the airflow
  • Actuator for setpoint value switching or steady operation

General information

Application

  • Rectangular CAV terminal units for supply or extract air volume flow control in constant volume flow systems
  • Mechanical self-powered volume flow control without external power supply
  • Simplified project handling by ordering based on nominal size


Special features

  • Setting of the volume flow setpoint from the outside by rotary knob
  • High control accuracy of the set volume flow rate
  • Correct operation even under unfavourable upstream conditions
  • Visual display of the damper blade position for operating point optimisation
  • Easy retrofitting of an actuator for volume flow setpoint adjustment


Nominal sizes

  • 19 nominal sizes from 200 × 100 – 600 × 600 mm



Variants

  • EN: Air terminal units
  • EN-D: Air terminal units with acoustic cladding
  • Air terminal units with acoustic cladding and/or secondary silencer type TX for high acoustic requirements


Construction



  • Galvanised sheet steel
  • P1: Powder-coated, silver grey (RAL 7001)



Parts and characteristics

  • Air terminal unit ready for commissioning
  • Damper blade with low-friction bearings
  • Bellows for vibration damping
  • Cam plate with leaf spring
  • Rotary knob pointer and scale for adjusting the flow rate setpoint
  • Each air terminal unit is tested in the factory on a special ventilation test rig
  • Visual display of the damper blade position for operating point optimisation


Attachments

  • Min/Max actuators: Actuators for switching between minimum and maximum volume flow rate setpoint values
  • Variable actuators: actuators for variable volume flow or for switching volume flow setpoints
  • EN with actuator only up to H = 300 mm



Useful additions

  • Secondary silencer Type TX
  • Heat exchangers Type WT



Construction features

  • Rectangular casing
  • Flanges on both ends, suitable for duct connections
  • Air terminal units from H = 400 mm as double version (2 dampers with separate setting scales)
  • Acoustic cladding cannot be retrofitted


Materials and surfaces

Galvanised sheet steel construction



  • Casing and damper blade made of galvanised sheet steel
  • Leaf spring made of stainless steel
  • Polyurethane bellows
  • Plain bearings with PTFE coating
  • Cam plate and adjusting unit made of galvanised sheet steel


 



Powder-coated construction (P1)



  • Casing and damper blade made of galvanised sheet steel, powder-coated
  • Leaf spring made of stainless steel
  • Polyurethane bellows
  • Plain bearings with PTFE coating
  • Cam plate and adjusting unit made of galvanised sheet steel


 



Variant with acoustic cladding (-D)



  • Acoustic cladding made of galvanised sheet steel
  • Rubber seal for the insulation of structure-borne noise
  • Lining made of mineral wool


 



Mineral wool



  • Acc. to EN 13501, fire rating class A1, non-combustible

  • RAL quality mark RAL-GZ 388

  • Non-hazardous thanks to high biosolubility according to the German Ordinance on Hazardous Substances and Note Q of the European Regulation (EC) No. 1272/2008


Standards and guidelines

Meets the hygiene requirements of



  • EN 16798, Part 3
  • VDI 6022, Sheet 1
  • DIN 1946, Part 4
  • For further standards and guidelines, please refer to the hygiene certificate



Casing air leakage



  • EN 1751, Class C


Maintenance

Maintenance-free as construction and materials are not subject to wear



DOWNLOADS

product information

  • Constantflow-Volume-Flow-Controllers-Type-EN-9.1_en_8.pdf

    EN_PD_2021_06_30_DE_de--1- 1,9 MB pdf

  • EN Product data sheet

    EN_PD_2023_06_07_DE_en 500 KB pdf

certificates

  • EN_HC_2020_06_08_DE_enpdf.pdf

    690 KB pdf

  • Declaration of conformity or declaration of incorporation Type EN

    Declaration of conformity or declaration of incorporation 93 KB pdf

  • Declaration of incorporation Type EN

    Declaration of incorporation 61 KB pdf

operation manuals

  • Installation manual Type EN

    EN_IM_A00000074510_V4_2023_05_GB_en Installation manual 1,1 MB pdf

References

Hypercube - Moscow

  • Description
Project:
- Hypercube

Field of application:
- Office Building
 
Location:
- Moscow, Russia 
 
TROX-Products:
- Air-water-Systems: Multi-Service-Chilled-Beams, DID312, DID632
- Air diffusor: SL-A, TRS
- Acoustics: CA, MSA
- Control Units: TVJD-Easy, EN-D, VFR

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