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Summary of Contents for Trox Technik TVRK
- Page 1 Assembly and operating instructions GB/en VAV terminal unit TVRK VARYCONTROL Read the instructions prior to performing any task!
- Page 2 TROX GmbH Heinrich-Trox-Platz 47504 Neukirchen-Vluyn Germany Telephone: +49 (0) 2845 202-0 Fax: +49 (0) 2845 202-265 E-mail: trox-de@troxgroup.com Internet: www.troxtechnik.com CD10014, 2, GB/en 01/2024 © TROX GmbH 2023 VAV terminal unit TVRK...
- Page 3 Delivery date Ä Chapter 8.1 ‘Troubleshooting’ Issue or fault log Useful tips and recommendations as well as informa- on page 23 tion for efficient and fault-free operation. Online www.troxtechnik.com Phone +49 2845 202-0 VAV terminal unit TVRK...
- Page 4 Tighten the screw. Specific safety notes The following symbols are used in safety notes to alert you to specific hazards: Warning signs Type of danger Warning – hand injuries. Warning – high-voltage. Warning – danger zone. VAV terminal unit TVRK...
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Page 5: Table Of Contents
6.3.1 Installation and connection ....19 6.3.2 Parameterisation by others and settings ............... 19 6.3.3 Control components for duct pressure control ........... 19 6.3.4 Control components for room pressure control ........... 20 6.3.5 Functional test ........20 VAV terminal unit TVRK... -
Page 6: Safety
The following symbols and signs are usually found in 1.1 Correct use the work area. They apply to the very location where The VAV terminal unit from the TVRK type is used for they are found. variable volume flow rate control, throttling or shut-off in ventilation systems within closed rooms. -
Page 7: Electric Shock Hazards
In addition to the safety notes in this manual, the appli- cable regulations for safety, accident prevention and environmental protection must also be complied with. VAV terminal unit TVRK... -
Page 8: Qualified Staff
Description of personal protective equipment Industrial safety helmet Industrial safety helmets protect the head from falling objects, suspended loads, and the effects of striking the head against stationary objects. VAV terminal unit TVRK... -
Page 9: Transport, Storage And Packaging
Protect the product from dust and contamination. Store the product in a dry place and away from direct sunlight. Do not store the product below -10 °C or above +50 °C. 2.4 Packaging Properly dispose of packaging material. VAV terminal unit TVRK... -
Page 10: Product Description
To measure the volume flow rate, the differential pres- sure is measured at the sensor tubes of the VAV terminal unit TVRK. The differential pressure is then passed on to the control component via hoses. The control component consists of a differential pressure... -
Page 11: Display Of The Damper Blade Position
11 Customer text for installation/use (tagging text from the order) 12 QR code with link in myTrox to individual product documentation matching the serial number 13 Serial number of the complete product, including the installed attachment VAV terminal unit TVRK... -
Page 12: Adjustment Sticker
12 Test ID number 3.4.3 CE marking / declaration of incorpo- ration The TVRK unit complies with the Machinery Directive 2006/42/EC as partly completed machinery, as it does not fulfil an independent function on its own. A CE mark and a Declaration of Conformity are therefore not per- mitted in accordance with the Machinery Directive. -
Page 13: Installation
VAV terminal unit. Only skilled qualified electricians are allowed to work on Component Clearance in airflow the electrical system. direction in front of TVRK Plastic circular silencer No clearance CAUTION! without core CAK Danger of injury from sharp edges and sheet... -
Page 14: Installation Orientation
It is imperative that air terminal units are installed in their intended airflow direction. An arrow indicating the correct airflow Ä Chapter 3.4.1 ‘Rating plate’ on page 11 is attached to the VAV terminal unit for this purpose. VAV terminal unit TVRK... -
Page 15: Upstream Conditions
The inflow at the open end of a duct causes strong turbulence. The stated volume flow rate accuracy can only be ach- ieved with the following upstream straight duct sections: At least 5D Fig. 8: Dimensions of inflow aid [mm] VAV terminal unit TVRK... -
Page 16: Fixing/Suspension
Air direction arrow e.g., on the scale sticker Drilling screw for fixing to the ducting Pipe clamp Suspension, e.g., with threaded rod Fig. 11: Plastic flanges Matching flanges, including seal available as acces- sories Screw connection M8 (to be provided by others) VAV terminal unit TVRK... - Page 17 Position the ducting exactly. Do not pull the dis- tances together via the flange connection. Fig. 12: Plastic spigot Installation on ducting in accordance with DIN 8077 – with clamp connectors – by plastic welding VAV terminal unit TVRK...
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Page 18: Electrical Connection
For network installations, the specification of the respective network variant must be observed. For information, see here: – BACnet MS/TP or BACnet/IP ð BACnet.org – Modbus RTU or Modbus TCP ð Modbus.org VAV terminal unit TVRK... -
Page 19: Commissioning And Operation
6.3.1 Installation and connection transducer, e.g. nominal pressure/working range Once the electrical or pneumatic connections have been and signal characteristics. The EasyConnect correctly installed and made, the VAV terminal unit is software is required for setting. ready for operation. VAV terminal unit TVRK... -
Page 20: Control Components For Room Pressure Control
Otherwise, a comparison measurement will be influenced by changing blade positions from the control process. VAV terminal unit TVRK... -
Page 21: Volume Flow Rate Calculation
6.5.2 C values Type ØD [mm] C value TVRK 8.60 TVRK 15.10 TVRK 24.30 TVRK 38.00 TVRK 62.00 TVRK 103.00 C value in relation to l/s, (for air density 1.2 kg/m³ at 20 °C) VAV terminal unit TVRK... -
Page 22: Maintenance
Protective equipment: Safety shoes Remove any contamination that affects the func- tion of the VAV terminal unit, especially around sensor tubes or measuring probes. Check all screws for firm seating and retighten them, if necessary. VAV terminal unit TVRK... -
Page 23: Faults
Ä Chapter 4.2 ‘General installation information’ on page 13 Differential pressure measuring hoses undamaged and kink-free? ☐ ☐ ☐ TVRK Pull out the sensor probes and check for contamination, clean if ☐ ☐ ☐ necessary or blow out with clean, dry and oil-free compressed air Installation position of control component observed? ... - Page 24 Were all doors and seals installed for adjustment? Holes and walls are ☐ ☐ ☐ sealed? Does the pressure reference measurement take place in a pressure-stable ☐ ☐ ☐ range? VAV terminal unit TVRK...
- Page 25 Even if the technical data of the installed air terminal units is complied with, the desired room situation can only be achieved if the necessary components have been selected during the design phase, taking into account the requirements. VAV terminal unit TVRK...
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Page 26: Decommissioning
– Disassemble components professionally. Be aware that some components are very heavy. Use lifting gear if necessary. – Secure components to prevent them from falling or toppling. – When in doubt, contact the manufacturer. VAV terminal unit TVRK... -
Page 27: Technical Data
Up to 62 Pa (without circular silencer) Maximum permissible differential pressure 1000 Pa Operating temperature 10 – 50 °C 10.2 Control component/attachments The following control components are available for the VAV terminal unit TVRK: VARYCONTROL control components Attachment Controlled Interface Pressure transducer Actuator Make variable Compact controller –... - Page 28 0 – 10 V or 2 – 10 V Integrated SC0* qv, Δp Fast-running, inte- ⑥ grated * Control component has been discontinued Volume flow rate qv with differential pressure Δp ① TROX, ② TROX/Belimo, ③ TROX/Gruner, ⑤ Siemens, ⑥ Sauter VAV terminal unit TVRK...
- Page 29 Individual component, 600 Pa BHB * Δp Spring return ② actuator, separate * Control component has been discontinued Volume flow rate qv with differential pressure Δp ① TROX, ② TROX/Belimo, ③ TROX/Gruner, ⑤ Siemens, ⑥ Sauter VAV terminal unit TVRK...
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Page 30: Index
Hybrid mode.............. 12 Hygiene requirements..........7 Technical data............27 Technischer Service............ 3 Incorrect use............... Transport..............9 Inspection..............22 Transport damage............9 Installation location............ 13 Transport inspection............ 9 Installation orientation..........14 Troubleshooting............23 TROX Technical Service........... 22 VAV terminal unit TVRK... - Page 31 Index Unauthorised use............6 Wiring Upstream conditions..........Installation instructions......... 18 Use................6 Volume flow rate calculation........21 Volume flow rate measurement......... 20 VAV terminal unit TVRK...
- Page 32 TROX GmbH +49 (0) 2845 202-0 Heinrich-Trox-Platz +49 (0) 2845 202-265 47504 Neukirchen-Vluyn E-mail: trox-de@troxgroup.com Germany www.troxtechnik.com © TROX GmbH 2023...
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