Description
FOR VARIOUS STANDARD APPLICATIONS
- Circular air terminal units for standard applications in supply air or extract air systems with variable volume flow rates
- Suitable for the control of volume flow rate, room pressure or duct pressure
- Electronic control components for different applications (Easy, Compact, Universal, and LABCONTROL)
- High control accuracy even with upstream bend (R = 1D)
- Closed blade air leakage to EN 1751, up to class 4
- Casing air leakage to EN 1751, class C
Optional equipment and accessories
- Acoustic cladding for the reduction of case-radiated noise
- Secondary silencer CA (for Germany and Switzerland), CAH (for EMEA) CS or CF for the reduction of air-regenerated noise
- Hot water heat exchanger WL and electric air heater EL for reheating the airflow
Application
- Circular VAV terminal units for use in ventilation and air conditioning systems
- For controlling, restricting, or shutting off supply and extract air flows
- Closed-loop volume flow control using an external power supply
- For variable or constant volume flow systems
- Shut-off by means of switching (by others)
- Can also be used for duct or room pressure control with suitable control components
Special features
- Integral effective pressure sensor with 3 mm measuring holes (resistant to dust and pollution)
- Factory set-up or programming and aerodynamic function testing
- Parameters can also later be set on the control component; additional adjustment device may be necessary
Nominal sizes
- 100, 125, 160, 200, 250, 315, 400
Variants
- TVR: VAV terminal unit
- TVR-D: VAV terminal unit with acoustic cladding
- TVR-FL: VAV terminal unit with flanges on both ends
- TVR-D-FL: VAV terminal unit with acoustic cladding and flanges on both ends
- Units with acoustic cladding and/or a circular silencer CA (for Germany and Switzerland), CH (for EMEA), CS or CF for demanding acoustic requirements
- Acoustic cladding cannot be retrofitted
Construction
- Galvanized sheet steel
- P1: Powder-coated, silver grey (RAL 7001)
- A2: Stainless steel
Parts and characteristics
- Ready-to-commission unit which consists of mechanical parts and control components.
- Averaging effective pressure sensor for volume flow rate measurement
- Damper blade
- Factory assembled control components complete with wiring and tubing
- Aerodynamic functional testing on a special test rig before shipping of each unit
- Set-up data is given on a label or volume flow rate scale affixed to the unit
- High control accuracy (even with upstream bend R = 1D)
Attachments
- EASY controller: Compact unit consisting of controller with potentiometers, effective pressure transducer and actuator
- Compact controller: Compact unit consisting of controller with potentiometers, effective pressure transducer and actuator
- Universal controller: Controller, effective pressure transducer and actuators for special applications
- LABCONTROL: Control components for air management systems
Accessories
- G2: Matching flanges for both ends
- D2: Double lip seals on both ends (factory fitted)
Useful additions
- Circular silencer CA (for Germany and Switzerland), CH (for EMEA), CS or CF for demanding acoustic requirements
- Heat exchanger WL
- Electric air heater EL
Construction features
- Circular casing
- Spigot suitable for circular ducts to EN 1506 or EN 13180
- Spigots with groove for seal
- Position of the damper blade indicated externally at shaft extension
- TVR-FL: Flanges to EN 12220
Materials and surfaces
Galvanized sheet steel construction
- Casing and damper blade made of galvanized sheet steel
- Damper blade seal made of TPE plastic
- Aluminum sensor tubes
- Plastic plain bearings
Powder-coated construction (P1)
- Casing made of galvanized sheet steel, powder-coated
- Damper blade and shaft made of stainless steel 1.4301
- Sensor tubes made of aluminum, powder-coated
Stainless steel construction (A2)
- Casing, damper blade and shaft made of stainless steel 1.4301
- Sensor tubes made of aluminum, powder-coated
Variant with acoustic cladding (-D)
- Acoustic cladding made of galvanized sheet steel
- Rubber seal for the insulation of structure-borne noise
- Lining is mineral wool
Mineral wool
- To EN 13501, fire rating class A1, non-combustible
- RAL quality mark RAL-GZ 388
- Non-hazardous to health thanks to being highly biosoluble in accordance with the Ordinance on Hazardous Substances and Note Q of the European Directive (EC) No. 1272/2008
Standards and guidelines
Fulfils the hygiene requirements of
- EN 16798, Part 3
- VDI 6022, Sheet 1
- DIN 1946, Part 4
- For other applicable standards and guidelines refer to the hygiene certificate
Casing leakage
- EN 1751, Class C
Closed blade air leakage:
NS 100
- EN 1751, Class 2
- Meets the general requirements of DIN 1946, part 4, with regard to the acceptable closed blade air leakage
NS 125 – 160
- EN 1751, Class 3
- Meets the increased requirements of DIN 1946, Part 4, with regard to the acceptable closed blade air leakage
NS > 160
- EN 1751, Class 4
- Meets the increased requirements of DIN 1946, Part 4, with regard to the acceptable closed blade air leakage
Maintenance
- Maintenance-free as construction and materials are not subject to wear
Literature
