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VAV terminal unit, variant TVT

Easyregler-Compactregler_img_01_2020_01_DE__4_psd.psd.link
Easy controller, Compact controller

Easy controller, Compact controller

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TROX UNIVERSAL controller,

TROX LABCONTROL controller

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With sealing elements for low-leakage shut-off

With sealing elements for low-leakage shut-off

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VAV terminal unit, variant TVT-D

Construction with acoustic cladding

00073144_0ai.ai.link
Tested to VDI 6022

Tested to VDI 6022

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Easyregler-Compactregler_img_01_2020_01_DE__4_psd.psd.link
TU-ELAB-Regler_img_01_2020_01_DE__7_psd.psd.link
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TVT_img_02psd.psd.link
00073144_0ai.ai.link

TVT  

FOR NORMAL AND HIGH VOLUME FLOW RATE RANGES AND LOW- LEAKAGE SHUT-OFF


 

Rectangular air terminal units for standard applications in supply air or extract air systems with variable volume flow rates, suitable for low-leakage shut-off

  • For volume flow rate ranges up to 28836 m³/h or 8010 l/s
  • 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
  • Closed blade air leakage to EN 1751, class 3
  • Casing air leakage to EN 1751, up to class C


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 of Type WT for reheating the airflow

 

 


General Information

Application

  • Rectangular 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 (equipment supplied by others)
  • Can also be used for duct or room pressure control with suitable control components


Special characteristics

  • 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. Depending on the control component, an additional adjustment device may be necessary


Nominal sizes

  • 36 nominal sizes from 200 × 100 to 1000 × 600
  • Not all attachments may be available or suitable for all sizes of terminal units


Variants

  • TVT: VAV terminal unit
  • TVT-D: VAV terminal unit with acoustic cladding
  • Units with acoustic cladding and/or secondary silencer Type TX for demanding acoustic requirements
  • Acoustic cladding cannot be retrofitted


Construction

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


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 blades
  • 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 volume flow rate control accuracy


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


Useful additions

  • Secondary silencer Type TX for demanding acoustic requirements
  • Heat exchanger Type WT


Construction features

  • Rectangular casing
  • Flanges on both ends, suitable for duct connection
  • Opposed blade action, blades connected by internal gears (enclosed) at both ends
  • Damper blades with replaceable seals
  • Position of the damper blade indicated externally at shaft extension
  • Bearings with ring seals


Material and surfaces

  • Galvanised sheet steel construction
  • Casing made of galvanised sheet steel
  • Shaft and linkage made of galvanised steel
  • Damper blades and effective pressure sensor made of aluminium
  • Gears made of anti-static plastic (ABS), temperature resistant to 50 °C
  • Plastic plain bearings

Powder-coated construction (P1)

  • Casing made of galvanised sheet steel, powder-coated

Variant with acoustic cladding (D)

  • Acoustic cladding made of galvanised 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; if B + H ≤ 400, Class B

Closed blade air leakage

  • EN 1751, Class 3
  • Meets the general 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

Technical information

  • Function
  • TECHNICAL DATA
  • SPECIFICATION TEXT
  • ORDER CODE
Schematic illustration of the TVT TVT_gc_02ai.png

① Effective pressure sensor

② Damper blade with seal

③ Gears

④ Control components, e.g. an Easy controller

The VAV terminal unit is fitted with an effective pressure sensor for measuring the volume flow rate. The control components (attachments) include an effective pressure transducer that transforms the effective pressure into an electric signal, a controller, and an actuator; the control functions can be achieved with an Easy controller or with a Compact controller or with individual components (Universal or LABCONTROL). For most applications, the setpoint value comes from a room temperature controller. The controller compares the actual value with the setpoint value and alters the control signal of the actuator if there is a difference between the two values.

 


Nominal sizes

200 × 100 – 1000 × 600 mm

Volume flow rate range

42 – 8010 l/s or 149 – 28836 m³/h

Volume flow rate control range (unit with dynamic effective

pressure measurement)

approx. 20 to 100 % of the nominal volume flow rate

Minimum differential pressure

up to 104 Pa (without secondary silencer)

Maximum differential pressure

1000 Pa

Operating temperature

10 to 50 °C

This specification text describes the general properties of the product. Texts for variants can be generated with our Easy Product Finder design programme.


Specification text

Rectangular VAV terminal units for variable and constant air volume systems, suitable for supply or extract air, available in 36 nominal sizes. High volume flow rate control accuracy. Ready-to-commission unit which consists of the mechanical parts and the electronic control components Each unit contains an averaging effective pressure sensor for volume flow rate measurement and damper blades. Factory mounted control components complete with wiring and tubing Effective pressure sensor with 3 mm measuring holes, hence resistant to contamination. Position of the damper blades indicated externally at the shaft extension. The damper blade is factory set to open position, which allows a ventilation airflow even without control; this does not apply to variants with defined safe position NC (normally closed).

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. Depending on the control component, an additional adjustment device may be necessary


Materials and surfaces

  • Casing made of galvanised sheet steel
  • Shaft and linkage made of galvanised steel
  • Damper blades and differential pressure sensor made of aluminium
  • Gears made of anti-static plastic (ABS), resistant to temperatures up to 50 °C
  • Plastic plain bearings


Connection type

  • Flanges on both ends, suitable for duct connection


Technical data

  • Nominal sizes: 200 × 100 to 1000 × 600 mm
  • Volume flow rate range: 42 – 5877 l/s or 149 – 21159 m³/h
  • Minimum differential pressure: up to 104 Pa
  • Maximum differential pressure: 1000 Pa
  • Closed blade air leakage to EN 1751, class 3
  • Casing air leakage to EN 1751, class C (B + H ≤400, class B)


Equivalence criteria

  • Declaration of hygiene conformity according to VDI 6022, sheet 1 (01/2018), ÖNORM H 6020 (02/2007) and ÖNORM H 6021 (09/2003)
  • Fulfils the hygiene requirements according to EN 16798 Part 3, VDI 6022 Sheet 1, DIN 1946 Part 4.
  • Acoustic data determined in accordance with ÖNORM EN ISO 5135:1999
  • Setting the volume flow rates without a setting device via qvmin and qvmax potentiometers
  • Electrical connections with screw terminals, no additional terminal boxes required
  • Each volumetric flow controller is factory-tested on an air test bench and certified with a sticker on the controller


Specification text attachment

Variable volume flow control with electronic Easy controller for applying a reference value and capturing an actual value to be integrated with the central BMS.

  • Supply voltage 24 V AC/DC
  • Signal voltages 0 – 10 V DC
  • Possible override controls with external switches using volt free contacts: CLOSE, OPEN, qᵥmin and qᵥmax without adjustment device
  • Potentiometers with percentage scales to set the volume flow rates qᵥmin and qᵥmax without adjustment device
  • The actual value signal relates to the nominal volume flow rate so that commissioning and subsequent adjustment are simplified
  • Volume flow rate control range: approx. 20 – 100 % of the nominal volume flow rate
  • Clearly visible external indicator light for signalling the functions: Set, not set, and power failure
  • Electrical connections with screw terminals
  • Double terminals for looping the supply voltage, i.e. for the simple connection of voltage transmission to the next controller


Sizing data

  • qᵥ _______________________ [m³/h]
  • Δpst _______________________[Pa]

Air-regenerated noise

  • LPA _______________________[dB(A)]

Case-radiated noise

  • LPA _______________________[dB(A)]


Life cycle assessment

A life cycle assessment is available for the product type in the

form of an environmental product declaration (EPD), which has

been checked and published by a programme holder.

Order code for volume flow control (with Easy attachment)
TVTD / 600 × 400 / Easy
||||
1245

1 Type
TVT VAV terminal unit 

2 Acoustic cladding
No entry: none
D With acoustic cladding 

4 Nominal size [mm]
B × H 

5 Attachments (control component)
Easy Volume flow controller, dynamic, analogue interface, setting of qvmin and qvmax with potentiometers


Order example: TVT-D/500x400/Easy
Acoustic claddingWith
MaterialGalvanised sheet steel
Nominal size500 × 400 mm
Attachments (control component)Easy controller; volume flow controller, dynamic, analogue interface,
setting of qvmin and qvmax with potentiometers



Downloads

informazioni di prodotto

certificati

manuali d'uso

Referenze

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Per domande di carattere generale riguardanti i nostri prodotti o servizi, è possibile contattare:
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