TVRK-introduction-image
TVRK-1
TROX UNIVERSAL
controller,
TROX LABCONTROL
controller
TVRK-2
Universal controller
(VARYCONTROL)
TVRK-3

Variant with flange

TVRK-4
Easy cleaning of sensor
tubes

Conforms to VDI 6022

TVRK-introduction-image
TVRK-1
TVRK-2
TVRK-3
TVRK-4

TVRK     

For contaminated air

Plastic circular VAV terminal units for aggressive extract air in variable air volume systems
■ Casing and damper blade made of flame-resistant polypropylene
■ Slide-out effective pressuresensor allows for easy cleaning
■ Suitable for the control of volume flow rate, room pressure or duct pressure
■ Electronic control components for different applications (Universal and LABCONTROL)
■ Suitable for airflow velocities up to 13 m/s
■ Closed blade air leakage to EN 1751, class 3
■ Casing air leakage to EN 1751, class C

Optional equipment and accessories
■ With flanges on both ends
■ Matching flanges for both ends
■ Plastic secondary silencer Type CAK for the reduction of air-regenerated noise

General information

Application
  • Circular VAV terminal units for use in ventilation and air conditioning systems
  • VAV terminal units made from plastic, suitable for contaminated air
  • For controlling, restricting or shutting off airflows, preferably 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
  • Slide-out integral effective pressure sensor with 3 mm measuring holes (resistant to contamination)
  • Factory set-up or programming and aerodynamic function testing
  • Parameters can also later be set on the control component; an additional adjustment device may be necessary

Nominal sizes
  • 125, 160, 200, 250, 315, 400

Variants
  • TVRK: VAV terminal unit
  • TVRK-FL: VAV terminal unit with flanges on both ends

Parts and characteristics
  • Ready-to-commission unit which consists of mechanical parts and control components.
  • Averaging effective pressure sensor for volume flow rate measurement; can be removed for cleaning
  • Damper blade
  • Factory mounted 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 affixed to the unit
  • High control accuracy (even with upstream bend R = 1D)

Attachments
  • Universal controller: controller, effective pressure transducer, and actuators for special applications
  • LABCONTROL: control components for air management systems

Accessories
  • Matching flanges for both ends, including seals

Useful additions
  • Plastic secondary silencer Type CAK for demanding acoustic requirements

Construction features
  • Circular casing
  • Spigot suitable for ducts according to DIN 8077
  • Both spigots with the same diameter
  • Position of the damper blade indicated externally at shaft extension

Material and surfaces
  • Casing and damper blade made of flame-resistant polypropylene (PPs)
  • Effective pressure sensor and plain bearings made of polypropylene (PP)
  • Damper blade seal made of chloroprene rubber (CR)
  • Stainless steel shaft, material no. 14104

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
  • 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
  • Zero point correction of the static effective pressure transducer should be carried out once per year (recommendation)

Disclosure of Chemicals
  • RoHS EU Directive 2011/65/EU (RoHS)
    • This product or single variants comply with EU Directive 2011/65/EU (RoHS) on the restriction of the use of certain hazardous substances in electrical and electronic equipment. For more information, please refer to our Environmental Product Declarations
  • REACH 1907/2006 (EC Regulation REACH)
    • This product or single variants comply with the provisions of EC Regulation No. 1907/2006, also known as REACH (Registration, Evaluation, Authorisation and Restriction of Chemicals). For more information, please refer to our Environmental Product Declarations

Техническа информация

  • FUNCTION
  • SPECIFICATION TEXT
  • ORDER CODE
Schematic illustration of the TVRK Funktion-TVRK

① Effective pressure sensor
② Casing
③ Actuator
④ Damper blade
⑤ Control components, e.g. a Universal 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 as individual components (Universal or LABCONTROL).
For most applications, the setpoint value comes from an external setpoint adjuster.
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.
This specification text describes just one variant of the product that is suitable for many applications. Texts for other variants can be generated with our Easy Product Finder design program.


Specification text
Circular VAV terminal units made of PPs plastic, for variable and constant air volume systems, suitable for extract air, available in 6 nominal sizes.
High control accuracy (even with upstream bend R = 1D).
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 a damper blade. 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 blade indicated externally at 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).
Closed blade air leakage to EN 1751, class 3.
Casing air leakage to EN 1751, class C.
Meets the hygiene requirements of EN 16798, Part 3, of VDI 6022, Sheet 1, and of DIN 1946, Part 4.


Special features
  • Slide-out integral effective pressure sensor with 3 mm measuring holes (resistant to contamination)
  • Factory set-up or programming and aerodynamic function testing
  • Parameters can also later be set on the control component; an additional adjustment device may be necessary

Materials and surfaces
  • Casing and damper blade made of flame-resistant polypropylene (PPs)
  • Differential pressure sensor and plain bearings made of polypropylene (PP)
  • Damper blade seal made of chloroprene rubber (CR)

Connection type
  • Spigot, suitable for ducts according to DIN 8077

Equivalence criteria
  • Hygiene conformity declaration in accordance with VDI 6022, Sheet 1 (01/2018), ÖNORM H 6020 (02/2007) and ÖNORM H 6021 (09/2003)
  • Acoustic data determined in accordance with ÖNORM EN ISO 5135
  • Pluggable connection terminals, no additional terminal boxes required
  • The test report for factory parameterisation, functional testing and adjustment under air conditions by means of reference measurement on a regularly validated test bench in accordance with DIN EN ISO 9001 is provided

Technical data
  • Nominal sizes: 125 to 400 mm
  • Volume flow rate range: 20 – 1666 l/s or 70 – 5978 m³/h
  • Volume flow rate control range: approx. 12 – 100 % of the nominal volume flow rate
  • Minimum differential pressure: up to 62 Pa
  • Maximum differential pressure: 1000 Pa

Specification text attachment
Variable volume flow control with electronic Universal 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 or 2 – 10 V DC
  • Possible override controls with external switches using voltfree contacts: CLOSE, OPEN, qᵥmin and qᵥmax

Sizing data
  • qᵥ _______________________ [m³/h]
  • Δpst _______________________[Pa]
Air-regenerated noise
  • LPA _______________________[dB(A)]
Case-radiated noise
  • LPA _______________________[dB(A)]
Order code for volume flow control (with VARYCONTROL attachment)
TVRK–FL/160/GK/XD4/V2/200 – 900 [m³/h]/NO
|||||||||
1234578910


1 Type
TVRK VAV terminal unit, plastic

2 Air duct connection
No entry: spigot
FL Flanges on both ends

3 Nominal size [mm]
125, 160, 200, 250, 315, 400

4 Accessories
No entry: none
GK Matching flanges both ends

5 Attachments (control component)
For example
XD4 Universal controller (VARYCONTROL) with static effective pressure transducer

7 Operating mode
F Constant value mode, one setpoint value (no external switch contact)
V Variable operation (adjustable setpoint value range)

8 Signal voltage range
For the actual and setpoint value signals
0 0 – 10 V DC
2 2 – 10 V DC

9 Operating values for factory setting
Volume flow rate [m3/h or l/s]
qᵥconst (with operating mode F)
qᵥmin – qᵥmax (with operating mode V)

10 Damper blade position
Only with spring return actuators
NO power off to open (Normally Open)
NC power off to close (Normally closed)

Order example: TVRK/160/XD4/V2/200–900 m³/h/NO

Duct connectionSpigot
Nominal size160 mm
Attachments (control components)VARYCONTROL Universal controller with static effective pressure transducer and safe position function with spring return actuator
Operating modeVariable operation
Signal voltage range2 – 10 V DC
Operating valuesqvmin = 200 m³/h
qvmax = 900 m³/h
Damper blade positionNO power off to OPEN

Изтегляния

информация за продукт

  • Basic information and nomenclature - VAV terminal units

    Basic-information-and-nomenclature_VAV-terminal-units_PD_2022_02_25_DE_en Basic information and nomenclature 490 КБ pdf

  • Product data sheet BUPN

    BUPN_PD_2024_01_16_DE_en Product data sheet 730 КБ pdf

  • Product data sheet BURN

    BURN_PD_2024_01_17_DE_en Product data sheet 730 КБ pdf

  • Product data sheet SB0N

    SB0N_PD_2022_12_07_DE_en Product data sheet 260 КБ pdf

  • Product data sheet Type TVRK

    TVRK_PD_2026_02_11_DE_en Product data sheet 800 КБ pdf

  • Product data sheet control component XF4 

    XF4_PD_2021_06_01_DE_en Product data sheet  38 МБ pdf

  • Product data sheet control components BUPNF

    BUPNF_PD_2024_01_17_DE_en Product data sheet 740 КБ pdf

  • Product data sheet control components BUSN

    BUSN_PD_2024_01_17_DE_en  Product data sheet 750 КБ pdf

  • Product data sheet control components BUSNF

    BUSNF_PD_2024_01_17_DE_en Product data sheet 740 КБ pdf

  • Product data sheet control components BUSS

    BUSS_PD_2024_01_17_DE_en Product data sheet  710 КБ pdf

  • Product data sheet control components XD0

    XD0_PD_2022_01_24_DE_en Product data sheet 520 КБ pdf

  • Product data sheet control components XD4

    XD4_PD_2020_02_14_DE_en Product data sheet 38 МБ pdf

  • Product data sheet control components XD4

    XD4_PD_2020_02_14_DE_en Product data sheet 920 КБ pdf

  • Product data sheet control components XF0

    XF0_PD_2021_06_01_DE_en Product data sheet 490 КБ pdf

  • Product data sheet control components XF4

    XF4_PD_2020_02_27_DE_en Product data sheet 38 МБ pdf

  • Product data sheet control components XF4

    XF4_PD_2021_06_01_DE_en Product data sheet 890 КБ pdf

  • Type TVRK - BG

    2,2 МБ pdf

  • Управляващи модули

    47 МБ pdf

сертификати

  • Certificate concerning statistical leakage tests

    LC_v2_2024_10_DE_en Certificate  650 КБ pdf

  • Certificate concerning statistical leakage tests

    LC_v1_2024_10_DE_en Certificate  660 КБ pdf

  • Declaration of conformity or declaration of incorporation Type TVRK

    CE_VVS_DE_en Declaration of conformity or declaration of incorporation 200 КБ pdf

  • Declaration of hygiene conformity Type TVRK

    TVRK_HC_2025_10_en Declaration of hygiene conformity 1,3 МБ pdf

  • Environmental Product Declaration TVRK

    TVRK_EPD_2024_11_DE_en Environmental Product Declaration 1,1 МБ pdf

ръководства за експлоатация

  • Assembly and operating instructions TVRK

    TVRK_IOM_CD10014_V2_2024_01_GB_en 1,6 МБ pdf

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