Application
Special characteristics
Nominal sizes
Variants
Construction
Parts and characteristics
Attachments
Accessories
Useful additions
Construction features
Material and surfaces
Galvanised sheet steel construction
Powder-coated (P1)
Stainless steel construction (A2)
Acoustic cladding
Mineral wool
Standards and guidelines
Meets the hygiene requirements of
Casing air leakage
Closed damper blade air leakage:
NS 100 – 160
NS 200 – 400
Maintenance
Functional description
The control damper blade works as an actuator and as an effective pressure sensor. The differential pressure is measured via the hollow damper blade and the signal is passed through channels in the shaft where it reaches the transducer (static or dynamic), it is then converted into an electrical signal and compared with the setpoint value.
In the case of a control deviation, the integrated actuator changes the position of the control damper blade. As a result, the volume flow rate is maintained at a constant level in close tolerances over the entire differential pressure range.
Due to the above measurement and control principles, to ensure stability and accuracy throughout product lifecycle, we advise that controllers with static transducers are used on all extract applications (i.e. XS0).
Nominal sizes | 100 – 400 mm |
---|---|
Volume flow rate range | 4 - 1388 l/s or 14 - 5000 m³/h |
Volume flow rate control range (unit with dynamic effective pressure measurement) | Approx. 4 – 100 % of the nominal volume flow rate |
Minimum differential pressure | Up to 50 Pa (without circular silencer) |
Maximum differential pressure | Control component with dynamic transducer: 900 Pa, control component with static transducer: 600 Pa |
Operating temperature | 10 to 50 °C |
Quick sizing tables provide a good overview of the minimum differential pressures, the volume flow rate accuracy and the room sound pressure levels that can be expected. 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 calculated with our Easy Product Finder design program. The first selection criteria for the nominal size are the actual 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. Sufficient static differential pressure (Δpstat,min) must be ensured for all operating conditions and for all controllers. The measurement points for fan speed control must be selected accordingly. The volume flow rates given for VAV terminal units depend on the nominal size and on the control component (attachment) that is installed.
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
Nominal size | qv [l/s] | qv [m³/h] | Δpstmin [Pa] | Δqv [±%] | |||
---|---|---|---|---|---|---|---|
① | ② | ③ | ④ | ||||
100 | 4 | 14 | 1 | 1 | 1 | 1 | 18 |
100 | 35 | 127 | 6 | 9 | 11 | 13 | 7 |
100 | 67 | 241 | 22 | 29 | 37 | 44 | 5 |
100 | 98 | 354 | 46 | 63 | 79 | 95 | 5 |
125 | 6 | 21 | 1 | 1 | 1 | 1 | 19 |
125 | 58 | 207 | 6 | 7 | 9 | 11 | 7 |
125 | 109 | 393 | 19 | 25 | 31 | 37 | 5 |
125 | 160 | 579 | 41 | 54 | 68 | 81 | 5 |
160 | 10 | 35 | 1 | 1 | 1 | 1 | 18 |
160 | 93 | 333 | 7 | 8 | 9 | 10 | 7 |
160 | 175 | 631 | 22 | 26 | 30 | 34 | 5 |
160 | 258 | 929 | 47 | 56 | 65 | 74 | 5 |
200 | 16 | 55 | 1 | 1 | 1 | 1 | 18 |
200 | 150 | 541 | 6 | 6 | 7 | 8 | 7 |
200 | 285 | 1027 | 19 | 22 | 25 | 29 | 5 |
200 | 420 | 1513 | 40 | 47 | 54 | 61 | 5 |
250 | 25 | 87 | 1 | 1 | 1 | 1 | 18 |
250 | 228 | 822 | 5 | 6 | 7 | 7 | 7 |
250 | 433 | 1558 | 17 | 20 | 22 | 25 | 5 |
250 | 636 | 2293 | 37 | 42 | 47 | 53 | 5 |
315 | 52 | 186 | 1 | 1 | 1 | 1 | 16 |
315 | 359 | 1291 | 7 | 8 | 8 | 9 | 7 |
315 | 665 | 2395 | 23 | 25 | 26 | 28 | 6 |
315 | 972 | 3500 | 49 | 53 | 56 | 59 | 5 |
400 | 117 | 420 | 1 | 1 | 1 | 1 | 14 |
400 | 541 | 1947 | 8 | 8 | 8 | 8 | 7 |
400 | 965 | 3473 | 23 | 24 | 25 | 26 | 6 |
400 | 1388 | 5000 | 47 | 49 | 51 | 53 | 5 |
① Basic unit
② Basic unit with circular silencer CF, insulation thickness 50 mm, length 500 mm
③ Basic unit with circular silencer CF, insulation thickness 50 mm, length 1000 mm
④ Basic unit with circular silencer CF, insulation thickness 50 mm, length 1500 mm
Quick sizing table for sound pressure levels
The quick sizing tables are based on generally accepted attenuation levels. If the sound pressure level exceeds the required level, a larger air terminal unit and/or a silencer or acoustic cladding is required. For more information on the acoustic data, see basic information and nomenclature.
Quick sizing table for air-regenerated noise LPA
Controller including silencer
Nominal size | qv [l/s] | qv [m³/h] | Δpst = 150 Pa | Δpst = 500 Pa | ||||||
---|---|---|---|---|---|---|---|---|---|---|
① | ② | ③ | ④ | ① | ② | ③ | ④ | |||
100 | 4 | 14 | 32 | < 15 | < 15 | < 15 | 42 | 17 | < 15 | < 15 |
100 | 35 | 127 | 46 | 32 | 28 | 24 | 56 | 40 | 34 | 31 |
100 | 67 | 241 | 51 | 37 | 33 | 29 | 60 | 47 | 42 | 38 |
100 | 98 | 354 | 55 | 37 | 32 | 30 | 64 | 52 | 47 | 44 |
125 | 6 | 21 | 37 | 15 | < 15 | < 15 | 48 | 26 | 16 | < 15 |
125 | 58 | 207 | 48 | 34 | 28 | 25 | 59 | 42 | 35 | 31 |
125 | 109 | 393 | 52 | 39 | 34 | 31 | 62 | 47 | 41 | 37 |
125 | 160 | 579 | 56 | 41 | 37 | 34 | 63 | 49 | 44 | 40 |
160 | 10 | 35 | 42 | 24 | 15 | < 15 | 54 | 38 | 29 | 22 |
160 | 93 | 333 | 45 | 33 | 28 | 25 | 58 | 43 | 36 | 31 |
160 | 175 | 631 | 50 | 38 | 34 | 31 | 58 | 44 | 38 | 34 |
160 | 258 | 929 | 53 | 40 | 35 | 33 | 57 | 44 | 39 | 36 |
200 | 16 | 55 | 33 | 20 | < 15 | < 15 | 44 | 32 | 26 | 21 |
200 | 150 | 541 | 46 | 36 | 31 | 28 | 57 | 47 | 42 | 39 |
200 | 285 | 1027 | 49 | 38 | 34 | 32 | 58 | 49 | 44 | 41 |
200 | 420 | 1513 | 53 | 43 | 40 | 38 | 58 | 49 | 45 | 42 |
250 | 25 | 87 | 40 | 29 | 22 | 17 | 52 | 42 | 36 | 31 |
250 | 228 | 822 | 46 | 37 | 32 | 29 | 58 | 50 | 45 | 41 |
250 | 433 | 1558 | 47 | 39 | 34 | 32 | 57 | 50 | 45 | 41 |
250 | 636 | 2293 | 52 | 45 | 41 | 38 | 57 | 50 | 45 | 42 |
315 | 52 | 186 | 42 | 34 | 28 | 24 | 54 | 47 | 42 | 38 |
315 | 359 | 1291 | 43 | 36 | 31 | 28 | 55 | 48 | 44 | 41 |
315 | 665 | 2395 | 45 | 38 | 33 | 31 | 54 | 48 | 44 | 41 |
315 | 972 | 3500 | 48 | 41 | 37 | 34 | 54 | 47 | 44 | 41 |
400 | 117 | 420 | 47 | 42 | 37 | 32 | 57 | 53 | 48 | 43 |
400 | 541 | 1947 | 45 | 40 | 35 | 31 | 55 | 50 | 46 | 43 |
400 | 541 | 1947 | 44 | 38 | 34 | 31 | 54 | 49 | 46 | 42 |
400 | 1388 | 5000 | 48 | 42 | 38 | 35 | 54 | 49 | 45 | 42 |
Air-regenerated noise LPA [dB(A)] at static differential pressure Δpst 150 or 500 Pa
① Basic unit
② Basic unit with circular silencer CF, insulation thickness 50 mm, length 500 mm
③ Basic unit with circular silencer CF, insulation thickness 50 mm, length 1000 mm
④ Basic unit with circular silencer CF, insulation thickness 50 mm, length 1500 mm
Quick sizing table for case-radiated noise LPA
Controller including acoustic cladding
Nominal size | qv [l/s] | qv [m³/h] | Δpst = 150 Pa | Δpst = 500 Pa | ||
---|---|---|---|---|---|---|
① | ② | ① | ② | |||
100 | 4 | 14 | 15 | < 15 | 25 | < 15 |
100 | 35 | 127 | 29 | 18 | 39 | 28 |
100 | 67 | 241 | 34 | 23 | 43 | 32 |
100 | 98 | 354 | 37 | 26 | 48 | 37 |
125 | 6 | 21 | 20 | < 15 | 31 | 20 |
125 | 58 | 207 | 31 | 20 | 42 | 31 |
125 | 109 | 393 | 35 | 24 | 45 | 34 |
125 | 160 | 579 | 40 | 29 | 47 | 36 |
160 | 10 | 35 | 22 | 15 | 34 | 27 |
160 | 93 | 333 | 25 | 18 | 38 | 31 |
160 | 175 | 631 | 31 | 24 | 39 | 32 |
160 | 258 | 929 | 36 | 29 | 40 | 33 |
200 | 16 | 55 | < 15 | < 15 | 24 | < 15 |
200 | 150 | 541 | 26 | < 15 | 37 | 22 |
200 | 285 | 1027 | 32 | 17 | 41 | 26 |
200 | 420 | 1513 | 38 | 23 | 43 | 28 |
250 | 25 | 87 | 24 | < 15 | 36 | 21 |
250 | 228 | 822 | 32 | 17 | 44 | 29 |
250 | 433 | 1558 | 36 | 21 | 46 | 31 |
250 | 636 | 2293 | 43 | 28 | 48 | 33 |
315 | 52 | 186 | 27 | < 15 | 38 | 21 |
315 | 359 | 1291 | 32 | 15 | 44 | 27 |
315 | 665 | 2395 | 37 | 19 | 46 | 28 |
315 | 972 | 3500 | 41 | 24 | 47 | 30 |
400 | 117 | 420 | 32 | 16 | 42 | 26 |
400 | 541 | 1947 | 36 | 20 | 46 | 30 |
400 | 965 | 3473 | 37 | 21 | 48 | 32 |
400 | 1388 | 5000 | 43 | 27 | 49 | 33 |
Case-radiated noise LPA [dB(A)] at static differential pressure Δpst 150 or 500 Pa
① Basic unit
② Basic unit with acoustic cladding
Note:
Information on case-radiated noise for combinations of basic unit and optional acoustic cladding and secondary silencer can be found in the Easy Product Finder design program.
Specification text
Circular VAV terminal units for variable and constant air volume systems, suitable for supply or extract air, available in 7 nominal sizes. High control accuracy of set volume flow rates, even in unfavourable upstream conditions. Control range at least 1:25. Differential pressure measurement and control via damper blade. Tubeless differential pressure transmission through differential pressure duct in shaft Closed blade air leakage to EN 1751: at least class 3, from NS 200: class 4. Casing air leakage to EN 1751, class C. Ready-to-commission unit which consists of the mechanical parts and the factory mounted electronic control component. Position of the damper blade indicated externally at the control component. The damper blade is factory set to open position, which allows a ventilation airflow even without control. Meets the hygiene requirements of EN 16798, Part 3, of VDI 6022, Sheet 1, and of DIN 1946, Part 4.
Special features
Materials and surfaces
Equivalence criteria
Connection type
Technical data
Maximum differential pressure
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 MCE/BACS.
Electrical connections with screw terminals. Double screw terminals for looping the supply voltage, i.e. for simple connection of voltage transmission to the next controller.
TVE | – | D | / | 100 | / | D2 | / | Easy |
| | | | | | | | | | ||||
1 | 2 | 5 | 6 | 7 |
Type | TVE |
Acoustic cladding | With acoustic cladding |
Nominal size [mm] | 200 |
Accessories | Double lip seal both ends |
Attachments (control components) | Volume flow controller, dynamic, analogue interface, setting of qmin and qᵥmax with potentiometers (by others) |
TVE | – | D | – | P1 | – | FL | / | 100 | / | G2 | / | XB0 | / | V | 0 | / | 200 – 900 [m³/h] |
| | | | | | | | | | | | | | | | | | | | ||||||||
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
Type | TVE |
Acoustic cladding | with acoustic cladding |
Material | Air duct powder-coated RAL 7001, silver grey |
Air duct connection | Flanges on both ends |
Nominal size [mm] | 100 |
Accessories | Matching flange for every flange (only with FL) |
Attachments (control component) | Volume flow controller, dynamic, analogue interface |
Operating mode | variable operation |
Signal voltage range | 0 – 10 V DC |
Operating values for factory setting | 200 – 900 [m³/h] |
Application
Application
Application
Application
Installation and commissioning
Upstream conditions
The effective pressure, which is decisive for the volume flow rate, is recorded and averaged on the control damper blade. Therefore, the volume flow rate accuracy Δqv is independent of the upstream section.
Duct connections, e.g. branches off the main duct, must comply with EN 1506 and EN 13180.
TVE control components VARYCONTROL
Attachment | Controlled variable | Interface | Effective pressure transducer | Actuator | Manufacturer |
---|---|---|---|---|---|
Easy controller, dynamic | |||||
Easy | qv | 0 – 10 V | integral | Slow running integral | ① |
Compact controller, dynamic | |||||
XB0 | qv | 0 – 10 V or 2 – 10 V | integral | Slow running integral | ① |
XM0 | qv | Modbus RTU interface | integral | Slow running integral | ① |
XM0–J6 | qv | Modbus RTU interface with RJ12 socket (for X-AIRCONTROL) | integral | Slow running integral | ① |
Compact controller, static | |||||
XS0 | qv | Modbus RTU interface | integral | Slow running integral | ① |
XS0–J6 | qv | Modbus RTU interface with RJ12 socket (for X-AIRCONTROL) | integral | Slow running integral | ① |
qv Volume flow rate
① TROX
TVE: control components VARYCONTROL
Attachment | Controlled variable | Interface | Effective pressure transducer | Actuator | Manufacturer |
---|---|---|---|---|---|
Easy controller, dynamic | |||||
Easy | qv | 0 – 10 V | integrated | Slow running integrated | (1) |
Compact controller, dynamic | |||||
XB0 | qv | 0 – 10 V or 2 – 10 V | integrated | Slow running integrated | (1) |
XM0 | qv | Modbus RTU interface | integrated | Slow running integrated | (1) |
XM0–J6 | qv | Modbus RTU interface with RJ12 socket (for X-AIRCONTROL) | integrated | Slow running integrated | (1) |
XDMB0 | qv | Modbus RTU interface | integrated | Slow running integrated | (1) |
Compact controller, static | |||||
XS0 | qv | Modbus RTU interface | integrated | Slow running integrated | (1) |
XS0–J6 | qv | Modbus RTU interface with RJ12 socket (for X-AIRCONTROL) | integrated | Slow running integrated | (1) |
XSMB0 | qv | 0 – 10 V or 2 – 10 V or Modbus RTU or BACnet MS/TP | integrated | Slow running, integrated | (1) |
qv Volume flow rate
(1) TROX
Space requirement, control component on one side
Attachment | ① | ② | ③ |
---|---|---|---|
Easy controller: Easy | 250 | 200 | 300 |
Compact controller: XB0, XM0, XM0-J6, XS0, XS0-J6 | 250 | 200 | 300 |
Space required for commissioning and maintenance
Keep sufficient space free in the area of the attachments for commissioning and maintenance. It may be necessary to provide sufficiently sized inspection access openings.
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Siamo qui per te
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Tel.: +41 26 425 59 00 | Fax: +41 55 250 73 10 | Fax Fribourg: +41 26 425 59 01
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Il nostro dipartimento per la gestione delle richieste ti contatterà appena possibile.
Per domande di carattere generale riguardanti i nostri prodotti o servizi, è possibile contattare:
Tel.: +41 26 425 59 00 | Fax: +41 55 250 73 10 | Fax Fribourg: +41 26 425 59 01