XB0 - Volume flow | TROX GmbH
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XB0 for TVE

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XB0 for TVR, TVJ, TVT, TZ-Silenzio, TA-Silenzio, TVZ, TVA, TVM

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XB0

Control components for VAV terminal unit with dynamic transducer

Compact device for use with VAV terminal units

  • Controller, dynamic differential pressure transducer and actuator in one casing
  • Use in ventilation and air conditioning systems, only with clean air
  • Suitable for constant and variable volume flow rates
  • Activation of override controls via external switch contacts
  • Volume flow rates qvmin and qvmax are set in the factory and saved in the controller
  • Change of operating parameters using adjustment devices
  • Service access for manual adjustment devices and PC configuration software
  • Simple terminal connection without the use of additional junction boxes (for type TVE)

 

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General information

Application

  • All-in-one control devices for VAV terminal units
  • Dynamic effective pressure transducer, electronic controller and actuator are fitted together in one casing
  • For use with clean air only
  • Standard filtration in comfort conditioning systems allows for use of the controller in the supply air without additional dust protection
  • Choice of various control options based on setpoint value default setting
  • Volume flow rate control is based on setpoint values received from room temperature controller, central BMS, air quality controller or other devices as an analogue signal.
  • Override control for activating qvmin, qvmax, shut-off or OPEN position can be set with a switch or relay
  • The volume flow rate actual value is available as a linear voltage signal
  • Standard filtration in comfort conditioning systems allows for use of the controller in the supply air without additional dust protection
     

With heavy dust levels in the room

  • Install suitable extract air filters upstream, as a partial volume flow is routed through the transducer for volume flow rate measurement

 

If the air is contaminated with fluff, sticky components or aggressive substances

  • Use Compact controller XS0 or XD0 with static effective pressure transducer instead of the Compact controller XB0 described here
  • XS0 (for TVE)
  • XD0 (for TVR, TVJ, TVT, TZ-Silenzio, TA-Silenzio, TVZ, TVA, TVRK)



Control strategy

  • The volume flow controller works dependently of the duct pressure
  • Differential pressure fluctuations do not result in permanent volume flow rate changes
  • To prevent the control from becoming unstable, a dead band is allowed within which the damper blade does not move
  • Flow rate range in the controller set in the factory



    • qvmin: Minimum volume flow rate
    • qvmax: Maximum volume flow rate
  • Operating parameters are specified via the order code and set in the factory


Operating modes



  • Variable or constant value

Variable operation (V)

  • Setpoint value default setting via analogue interface
  • Signal voltage range corresponds to qvmin to qvmax

Constant value mode (F)

  • A setpoint signal is not required, setpoint value corresponds to qvmin



Interface



Analogue interface with adjustable signal voltage range

  • Analogue signal for volume flow rate setpoint value
  • Analogue signal for volume flow rate actual value (factory setting), alternatively: analogue signal for damper blade position (adjustment by others required)



Signal voltage ranges

  • 0 – 10 V DC
  • 2 – 10 V DC


Parts and characteristics

  • Transducer for dynamic measurements
  • Actuators with overload protection
  • Release button to allow for manual operation (only 227V-024-10-DD3)
  • Connecting cable with 4 wires, approx. 0.9 m, halogen-free (only 227V-024-10-DD3)

  • Terminals with cover (only TR0V-024T-05I-DD15)

  • Service interface




Construction



  • Type 227V-024-10-DD3 for TVR
  • Type 227V-024-10-DD3 for TVJ
  • Type 227V-024-10-DD3 for TVT up to 1000x300 or 800x400
  • Type 227V-024-10-DD3 for TZ-Silenzio, TA-Silenzio
  • Type 227V-024-10-DD3 for TVZ, TVA
  • Type 227V-024-10-DD3 for TVM
  • Type TR0V-024T-05I-DD15 for TVE



Commissioning

  • Due to the volume flow rates set at the factory, always ensure that the terminal units are only installed at the specified locations
  • After successful installation and wiring, the controller is ready for use
  • Operating parameters can be adjusted by the customer (via the adjustment device)


Useful additions

  • Adjustment device GUIV-A (order code AT-VAV-G) for 227V-024-10-DD3
  • Adjustment device GUIV3-M (order code AT-VAV-G3) for TR0V-024T-05I-DD15

Technical information

Function, Specification text, Order code

  • Function
  • SPECIFICATION TEXT
  • ORDER CODE

A closed control circuit for regulation of the volume flow rate, i.e. measuring - comparing - adjusting, is characteristic of air terminal units.
The volume flow rate is measured via the differential pressure (effective pressure). This is done via a differential pressure sensor. An integrated differential pressure transducer converts the effective pressure into a voltage signal. The volume flow rate actual value is available as a voltage signal. The factory setting is such that 10 V DC always corresponds to the nominal volume flow rate (qvNom).
The volume flow rate setpoint value is specified by a higher-level controller (e.g. room temperature controller, air quality controller, central BMS). Variable volume flow control results in a value between qvmin and qvmax. It is possible to override the room temperature control, e.g. by a complete shut-off of the duct.
The controller compares the volume flow rate setpoint value to the actual value and controls the integral actuator according to the system deviation.


Category

  • Compact controller for volume flow rate
  • Control of a constant or variable volume flow rate setpoint
  • Electronic controller for connecting a reference value and tapping an actual value
  • The actual value relates to the nominal volume flow rate such that commissioning and subsequent adjustment are simplified
  • Stand-alone operation or integration in central building management system


Application

  • Dynamic transducer for clean air in ventilation and air conditioning systems


Supply voltage

  • 24 V AC/DC



Actuator

  • Integrated; slow running (run time <150 s for 90°)


Installation orientation

  • Either direction


Interface/signalling

  • Analogue signals (0 – 10 V or 2 – 10 V DC)


Connection

  • Terminals with rubber cap cover, no additional terminal box required (control components for TVE)
  • Connecting cable with 4 wires (control components for other types)


Interface information


Analogue:

  • Volume flow rate actual value and setpoint value
  • Factory-set actual value: volume flow rate
  • Actual value cannot be configured by others at damper blade position

 



Special functions


  • Activation qvmin, qvmax, closed, open by external switch contacts


Parameter setting

  • Parameters specific to VAV terminal unit set at the factory
  • Operating values: qvmin, qvmax and interface type set at the factory
  • Subsequent adjustment via optional tools: adjustment device, PC software (wired in each case)


Factory condition

  • Electronic controller factory mounted on control unit
  • Factory parameter settings
  • Functional test under air; certified with sticker

TVED / 200 / D2 / XB0 / V / 0 / qvminqvmaxm³/h
|||||||||
12567891011

1 Type
TVE VAV terminal unit 

2 Acoustic cladding
No entry: none
D With acoustic cladding 

3 Material
Galvanised sheet steel (standard construction)
P1 Powder-coated RAL 7001, silver grey
A2 Stainless steel construction 

5 Nominal size [mm]
100, 125 , 160, 200, 250, 315, 400 

6 Accessories

No entry: none
D2 Double lip seal both ends
G2 Matching flanges for both ends 

7 Attachments (control components)
XB0 Compact controller with dynamic transducer 

8 Operating mode

FL Constant value (one setpoint value)
V Variable (setpoint value range) 

9 Signal voltage range

0 0 – 10 V DC
2 2 – 10 V DC 

10 Operating values for factory setting
Volume flow rates in m³/h or l/s
qvconst (only with operating mode F)
qvmin (only with operating mode V)
qvmax (only with operating mode V) 

11 Volume flow rate unit
m³/h
l/s

Order example: TVE/100/D2/XB0/V0/20-350 m³/h
Acoustic claddingWithout
MaterialGalvanised sheet steel
Nominal size100 mm
AccessoriesDouble lip seal both sides
AttachmentCompact controller
Operating modeVariable operation - signal voltage range 0 – 10 V DC
Volume flow rate20 – 350 m³/h

 

Variants

  • VARIANTS



Product details, Technical data

  • PRODUCT DETAILS
  • TECHNICAL DATA


Compact controllers for VAV terminal units



VAV terminal units

Type of installation componentPart number
TVR, TVJ, TVT, TZ-Silenzio, TA-Silenzio, TVZ, TVA, TVM227V-024-10-DD3A00000041355
TVETROV-024T-05I-DD15A00000069229



 

 

 


,


Compact controller XB0, 227V-024-10-DD3



Measurement principleDynamic
Supply voltage (AC)24 V AC ± 20%, 50/60 Hz
Supply voltage (DC)24 V DC ± 20 %
Power rating (AC)5 VA max.
Power rating (DC)Max. 2.5 W
Power consumption (when running/when idle)

1.5 W

Torque10 Nm
Run time for 90°

Approx. 120 s

Setpoint value signal input

0 – 10 V DC, Ra > 100 kΩ or 2 – 10 V DC, Ra > 50 kΩ

Actual value signal output

0 – 10 V DC or 2 – 10 V DC, max. 0.5 mA

Connection

Approx. 0.9 m cable, 4 x 0.75 mm² 

IEC protection classIII (protective extra-low voltage)
Protection levelIP 42
EC conformityEMC to 2014/30/EU
Weight0.570 kg

,


Compact controller XB0, TR0V-024T-05I-DD15


Measurement principleDynamic
Supply voltage (AC)24 V AC ± 20%, 50/60 Hz
Supply voltage (DC)24 V DC ± 20 %
Power rating (AC)NW 100 – 200: max. 4 VA
NW 250 – 400: max. 7 VA
Power rating (DC)NW 100 – 200: max. 2.5 W
NW 250 – 400: max. 4 W
Power consumption (when running/when idle)

1 W

Power consumption (when running/when idle)

1.5 W

Torque

10 Nm

Run time for 90°100 s
Setpoint value signal input

0 – 10 V DC, Ra > 100 kΩ or 2 – 10 V DC, Ra > 50 kΩ

Actual value signal output

0 – 10 V DC or 2 – 10 V DC, max. 5 mA

Connection

Screw terminals (cable cross-section max. 1.5 mm²)

IEC protection classIII (protective extra-low voltage)
Protection levelIP 42 (with attached terminal cover)
EC conformityEMC to 2014/30/EU
Weight

0.65 kg

 

 

 

 

 


,


Release of a test function



Pressing the LED push button for > 2 seconds activates the test drive.


,


Description of status and error messages via LED flashing signal for TROV-024T-05l-DD15


Flashing signal of LED buttonFlashing signal in wordsStatus

LED off

No supply voltage

LED lights up permanently.

Regulated. Signalled as long as the actuator does not rotate to readjust the setpoint value.

LED flashes 1 time in a 2-second interval.

Setpoint value or override control position not yet reached.

LED flashes 2 times in a 2-second interval.

Override control position reached.

LED flashes once briefly at 2-second intervals.

Synchronisation drive after Power Up

LED flashes once briefly at 2-second intervals.

Test mode activated

LED flashes 2 times in quick succession at 2-second intervals.

Overpressure sensor (overpressure)

LED flashes 2 times in quick succession at 3-second intervals.

Actuator overload detected (block)

LED flashes 4 times in quick succession at 2-second intervals.

Inform TROX service technicians


The flashing signal always describes a 2-second interval. 1 = LED lights up, 0 = LED does not light up.


,

Product details


 


Analogue interface 0 – 10 V or 2 – 10 V DC (operating mode V, F)



The analogue interface can be set for signal voltage range 0 – 10 V DC or 2 – 10 V DC. The assignment of the volume flow rate setpoint value or actual value to the voltage signals is shown in the characteristic curves.

  • The set signal voltage range always applies equally for setpoint value and actual value signals.
  • The signal voltage range is pre-set in the factory according to the order code entries.
  • The signal voltage range can be adjusted by others with an adjustment device



 


Setpoint value default setting

In the operating mode V (variable operation), the setpoint value is specified with an analogue signal on terminal Y. 



  • The selected signal voltage range 0 – 10 V or 2 – 10 V DC is assigned to the volume flow rate range qvmin – qvmax .
  • Volume flow rate range qvmin – qvmax is preset at the factory according to the order code
  • Subsequent adjustment of qvmin or qvmax is possible with adjustment device
  • In operating mode F (constant value mode), an analogue signal at terminal Y is not required
    The volume flow rate constant value set by qvmin is controlled
  • Volume flow rate qvmin is preset at the factory according to the order code
  • Subsequent adjustment of qvmin is possible with adjustment device


 


Actual value as feedback for monitoring or tracking control

  • The actual volume flow rate measured by the controller can be captured as a voltage signal at terminal U
  • The selected signal voltage range 0 – 10 V DC or 2 – 10 V DC is mapped to the volume flow rate range 0 – qvNom .
  • The actual value output U can be reconfigured (by others) to output the damper blade position
  • The selected signal voltage range, 0 – 10 V DC or 2 – 10 V DC, is then mapped to the damper blade position as a percentage value between 0 % (CLOSED) and 100 % (OPEN)


 


Override control



For special operating situations, the volume flow controller can be put in a special operating mode (override control). The following modes are possible: control Pvmin, control qvmax, damper blade in the OPEN position or damper blade CLOSED.




 


Override control via signal input Y



With appropriate wiring on the signal input Y, the override controls can be activated according to the connection diagrams via wiring with external switch contacts/relays. OPEN and CLOSED are only available if the controller is supplied with alternating current (AC).




 


Override control CLOSED via control signal Y



  • With signal voltage range 0 – 10 V DC: CLOSE is activated if qvmin = 0 and the control signal on Y < 0.5 V DC
  • With signal voltage range 2 – 10V DC: CLOSE is activated if control signal Y < 0.8 DC (*1)

(*1) 0.8 V DC = factory setting




 


Override control for diagnostic purposes



  • For test purposes, the override control can also be activated via the service tools (adjustment device, PC software).



 


Prioritisation of various setting options



  • High priority: settings via the service connector (adjustment device, PC software) for test purposes
  • Low priority: settings via Y signal input of the controller


,

,

,

Commissioning



  • On-site adjusting is not required
  • As the volume flow rates are factory set, the terminal units have to be installed at the specified locations
  • After successful installation and wiring, the controller is ready for use
  • Comply with the volume flow rate control ranges of the VAV terminal units, do not set a volume flow rate which is below the minimum flow rate
  • Remove the terminal cover of the control component only temporarily for wiring (applies only to XB0 for TVE).


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product information

certificates

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Our department for Service-Requests will contact you asap.
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