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VAV terminal unit variant TVE-Q (standard, galvanised steel)
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Differential pressure measurement via damper blade

Differential pressure measurement via damper blade

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DES OPTIONS INTELLIGENTES GRÂCE À LA CONSTRUCTION MODULAIRE 


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Installation directly on the main duct

Installation directly on the main duct

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Tested to VDI 6022

Conforms to VDI 6022

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Available online - configure now

TVE-Q    

Compact solution for low airflow velocities

Angular air terminal units for use in variable air terminal systems at low air velocities, even under unfavourable upstream conditions


  • Tubeless differential pressure measurement via damper blade
  • Differential pressure transmission through differential pressure duct in axis
  • Connection terminals with protective cover, no junction box required
  • Any airflow direction if dynamic transducer is used
  • Suitable for air velocities from 0.8 - 8 m/s
  • Compact dimensions for use in confined ceiling areas
  • Plug-and-play solution in conjunction with X-AIRCONTROL room control
  • Exact measurement even with low airflow velocities
  • Any installation orientation also with static transducer
  • Closed blade air leakage to EN 1751, at least class 3
  • Casing air leakage to EN 1751, class C
  • Volume flow rate range 1:10

 


Optional equipment and accessories


  • Secondary silencer to reduce air-regenerated noise
  • Hot water heat exchanger Type WT for reheating the airflow
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General information

Application

  • Square VAV terminal units for use in ventilation and air conditioning systems (AHUs)
  • For almost all tasks when controlling, restricting, or shutting off supply and extract air flows
  • Also for unfavourable upstream conditions at low air velocities
  • Closed-loop volume flow control using an external power supply
  • For variable or constant volume flow systems
  • Shut-off by override control (by the client)


Special characteristics

  • High differential pressure signal with small angle of attack
  • Factory set-up or programming and aerodynamic function testing
  • Volume flow rate can be measured and subsequently adjusted. Additional adjustment tool may be required (depending on the variant of the control component)
  • Tubeless differential pressure measurement via damper blade
  • Differential pressure transmission through differential pressure duct in axis
  • Any airflow direction if dynamic transducer is used
  • Any installation orientation also with static transducer
  • Suitable for air velocities from 0.8 - 8 m/s
  • Compact dimensions for use in confined ceiling areas


Nominal sizes

  • 200 × 100, 300 × 100
  • 200 × 200, 300 × 200, 400 × 200, 500 × 200, 600 × 200


Variants

  • TVE-Q: VAV terminal unit
  • TVE-Q with TX secondary silencer to reduce air-regenerated noise


Construction

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


Parts and characteristics

  • Ready-to-commission unit which consists of mechanical parts and control components.
  • Damper blade with integrated measuring unit
  • Axis with differential pressure duct for measured value transmission
  • Control component factory mounted
  • Each unit is tested on a special aerodynamic test rig at the factory
  • Documentation of the test rig data with a test label or a volume flow scale on the unit
  • High control accuracy even in case of unfavourable upstream conditions


Attachments

  • EASY controller: compact unit consisting of controller with potentiometers, differential pressure transducer and actuator
  • Compact controller: compact unit consisting of controller, differential pressure transducer and actuator
  • Compact controller: with Modbus RTU interface and display; plug-and-play solution in conjunction with X-AIRCONTROL room control system


Useful additions

  • Secondary silencer Type TX for the reduction of airregenerated noise
  • Hot water heat exchanger Type WT for reheating the airflow


Construction features

  • Rectangular casing
  • Flanges on both ends, suitable for duct connections
  • Position of the damper blade indicated externally at position indicator
  • Simple exchange of the control components possible


Material and surfaces

Galvanised sheet steel

  • Casing, damper blade made of galvanised sheet steel
  • Shaft made of PA6 (H ≤ 200) or aluminium (H > 200)
  • Damper blade seal and sealing plug made of EPDM
  • Bearing bushes made of PBT or TPU
  • Fastening (screws, rivets) Galvanised steel, aluminium

Powder-coated construction (P1)

  • Casing, damper blade galvanised with powder coating, RAL 7001, silver-grey
  • Shaft made of PA6 (H ≤ 200) or aluminium (H > 200)
  • Damper blade seal and sealing plug made of EPDM
  • Bearing bushes made of PBT or TPU
  • Fastening (screws, rivets) stainless steel, aluminium


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 leakage

  • EN 1751, Class C

Closed damper blade air leakage:

NS 200×100, NS 300×100, NS 200×200

  • EN 1751, Class 2

NS 300×200, NS 400×200, NS 500×200, NS 600×200

  • EN 1751, Class 3


Maintenance

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

Technical information

Function, Technical data, Specification text, Order Code

  • Function
  • TECHNICAL DATA
  • QUICK SIZING
  • ORDER CODE
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Functional description

The damper blade works as a control element and as a differential pressure sensor. Through the differential pressure duct in the axis, the detected differential pressure reaches the transducer (static or dynamic), and is converted into an electrical signal and compared with the setpoint. In case of a control deviation, the integrated actuator changes the position of the damper blade. Thereby, the volume flow rate is kept constant in close tolerances over the entire differential pressure range.

Nominal sizes
  • 200 × 100, 300 × 100
  • 200 × 200, 300 × 200, 400 × 200, 500 × 200, 600 × 200
Volume flow rate range

16 - 960 l/s or 58 - 3456 m³/h

Volume flow rate control range (controller with dynamic differential pressure measurements)

approx. 10 - 100 % of the nominal volume flow rate

Minimum differential pressure

up to 50 Pa (without secondary silencer)

Maximum differential pressureControl component with dynamic transducer: 900 Pa, Control component with static transducer: 600 Pa
Operating temperature10 to 50 °C

 


 

Quick sizing tables provide a good overview of the minimum pressure differences, the volume flow accuracy Δqv and the expected sound pressure levels in the room. Intermediate values may be achieved by interpolation. The sound power levels for calculating the sound pressure levels were measured in the TROX laboratory according to DIN EN ISO 5135 - see "Basic information and nomenclature". Precise results and spectral data for all control components can be obtained by using our Easy Product Finder design programme. The nominal size is initially selected according to the given volume flow rates qvmin and qvmax.

Volume flow rate ranges and minimum differential pressure values
The minimum differential pressure of VAV terminal units is an important factor in designing the ductwork and in rating the fan including speed control. It must be ensured that for all operating conditions and for all terminal units, a sufficient differential pressure is applied to each controller (Δpstmin). The measurement point(s) for fan speed control must be selected accordingly. The volume flow rate range for VAV terminal units depends on the nominal size and on the control component (attachment) used.

Volume flow rate ranges and minimum differential pressure values
Controller for dynamic and static pressure measurements
Attachment: Easy, XB0, XM0, XM0-J6, XS0, XS0-J6

BH

qv [l/s]

qv [m³/h]

Δpstmin [Pa]

Δqv [±%]

(1)(2)
20010016581318
200100642308338
200100112403251016
200100160576502045
30010025871318
300100963468338
300100168605241006
300100240864482025
200200331161218
2002001284616228
20020022480618666
2002003201152371335
300200481731218
3002001926916228
300200336121017656
3002004801728351315
400200652311218
4002002569226228
400200448161317656
4002006402304341305
500200802881218
50020032011526228
500200560201616646
5002008002880331295
600200963461218
60020038413826228
600200672241916646
6002009603456331295

(1) Basic unit
(2) Basic unit with secondary silencer TX


 


 


Quick sizing table for sound pressure levels
The quick sizing tables include common sound insulation and attenuation values. If the sound pressure level is above the permissible value, a larger air terminal unit and/or a silencer or acoustic cladding are required. For more information on the acoustic data, see Basic Information and Nomenclature.


Quick sizing table for air-regenerated noise LPA
Controller including silencer variants

BH

qv [l/s]

qv [m³/h]

150 Pa500 Pa
(1)(2)(1)(2)
20010016583115

40

22
2001006423040254932
20010011240344295236
20010016057648

n. V.

5439
300100258725103618
3001009634637234832
30010016860542305236
30010024086446

n. V.

5439
2002003311632194227
20020012846142295237
20020022480644305339
200200320115245305440
3002004817335194730
30020019269144275538
300200336121045285739
300200480172846305839
4002006523131174327
40020025692238245035
400200448161339265137
400200640230440295238
5002008028833154426
500200320115240245134
500200560201642265336
500200800288043295438
6002009634632174427
600200384138238245034
600200672241940255136
600200960345641295237

(1) Basic unit
(2) Basic unit with secondary silencer TX

n.a.: Specified static differencial pressure Δpst is smaller than minimum differential pressure Δpstmin.


 



Quick sizing table for case-radiated noise LPA

BH

qv [l/s]

qv [m³/h]

150 Pa500 Pa
(1)
20010016581826
200100642302735
2001001124033039
2001001605763541
30010024871324
300100963462636
3001001686053141
3001002408643745
200200321162029
2002001284613039
2002002248063443
20020032011523646
300200481732436
3002001926913446
30020033612103850
30020048017284052
400200642311931
4002002569222941
40020044816133345
40020064023043547
500200802882031
50020032011523142
50020056020163546
50020080028803849
600200963461931
60020038413822941
60020067224193345
60020096034563648

(1) Basic unit


Order code for volume flow control (with Easy controller)
TVE-Q/300 × 200/Easy
|||
135
1 Type
TVE-Q VAV terminal unit

3 Nominal size [mm]
Specify size width × height

5 Attachments (control component)
Easy Volume flow controller, dynamic, analogue interface, setting of qvmin and qvmax with potentiometers (provided on site)Order example: TVE-Q/300×200/Easy
TypeTVE-Q
Nominal size [mm]Width 300, height 200
Attachments (control component)Volume flow controller, dynamic, analogue interface, setting of qvmin and qvmax with potentiometers (provided on site)
, , Order code for volume flow control (with VARYCONTROL attachment)
TVE-QP1/300 × 200/XB0/V0/200 – 900 [m³/h]
|||||||
1345678
1 Type
TVE-Q
VAV terminal unit

3 Material
No entry: galvanised sheet steel
P1 Air duct powder-coated RAL 7001, silver grey

4 Nominal size [mm]
Specify size width × height

5 Attachment (control component)
XB0
Volume flow controller, dynamic, analogue interface
XM0 Volume flow controller, analogue interface and Modbus RTU, display
XM0-J6 Volume flow controller, Modbus RTU interface, display, RJ12 socket (for X-AIRCONTROL)
XS0 Volume flow controller, static, analogue interface and Modbus RTU, display
XS0-J6 Volume flow controller, static, Modbus RTU interface, display, RJ12 socket (for X-AIRCONTROL)

6 Operating mode
For control components XB0, XM0, XS0
F Constant value mode, one setpoint value (no external switch contact)
V variable operation (default setpoint value from analogue signal)

For control components XM0, XM0-J6, XS0, XS0-J6
M Modbus RTU interface, variable operation (default setpoint value in Modbus register)

7 Signal voltage range
Only with operating mode F or V
0 0 – 10 V DC
2 2 – 10 V DC

8 Operating values for factory setting
Volume flow rate [m³/h or l/s]
qvconst (with operating mode F)
qvmin – qvmax (with operating mode V or M)Order example: TVE-Q-P1/500×200/XB0/V0/850-2200[m³/h]
TypeTVE-Q
MaterialAir duct powder-coated RAL 7001, silver grey
Nominal size [mm]Width 500, height 200
Attachments (control component)Volume flow controller, dynamic, analogue interface
Operating modeVariable operation
Signal voltage range0 – 10 V DC
Operating values for factory setting850 – 2200 [m³/h]

Variants

  • VARIANTEN


Downloads

product information

certificates

operation manuals

Title

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