BURN

Application

• All-in-one control engineering device for VAV terminal units for room pressure control in ventilation and air conditioning systems with non-critical (sufficient) room leakage
• Control range: negative pressure range -10 to -50 Pa or positive pressure range +10 to +50 Pa
• Switchover of setpoint setting between positive and negative pressure by means of Modbus-/BACnet network data points
• Static differential pressure transducer and controller electronics combined in one casing
• Separate actuator with prefabricated connection plug
• For use with clean and contaminated air
• Variable room pressure control by specifying setpoint values via communication interfaces or analogue signal e.g. from the central building management system
• Room pressure control with constant value by set operating value
• Override controls for activating Δpmax, Δpmin, shut-off, control stop, OPEN position via Modbus/BACnet register or partly with switch or relay possible
• Room pressure actual value is available as a network data point or linear voltage signal
• Damper blade position is available as a network data point
• Use the TROX FlowCheck app and PC tool to configure the controller and the communication parameters

• Room pressure control for positive or negative pressure operation
• Nominal pressure ΔpNom:
• At positive pressure: ΔpNom = 75 Pa
• At negative pressure: ΔpNom = -75 Pa
• Reference point for the output signal: ΔpNom
• Room pressure fluctuations are controlled, e.g. by changing volume flow requirements
• To prevent the control from becoming unstable, a dead band is allowed within which the damper blade does not move
• Δpmin: selected operating value of minimum room pressure or constant value
• Δpmax: selected operating value of maximum room pressure Operating parameters are specified via the order code and set in the factory

• Analogue interface with adjustable signal voltage range
• Analogue signal for pressure setpoint value
• Analogue signal for actual pressure value

• Modbus RTU, RS485
• BACnet MS/TP, RS485
• MP bus
• Data points, see bus lists

• Mixed mode of analogue and digital interface

• Setpoint value setting via analogue interface
• Actual value output via analogue interface and Modbus communication interface

• Setpoint value setting via analogue signal, Modbus, BACnet or MP-Bus: operating range corresponds to Δpmin – Δpmax

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

• At positive pressure: Δpmin = 10 Pa – 50 Pa, Δpmax = 15 Pa – 50 Pa
• At negative pressure: Δpmin = -10 Pa – -50 Pa, Δpmax = -15 Pa – -50 Pa

• At positive pressure: Δpmin = 0 Pa – 75 Pa, Δpmax = 15 Pa – 75 Pa
• At negative pressure: Δpmin = 0 Pa – -75 Pa, Δpmax = -15 Pa – -75 Pa

• 0 – 10 V DC
• 2 – 10 V DC

• Transducer for static measurement principle
• Separate drive, overload-proof
• Plug-in terminals for supply line and controls including cover
• Socket for the actuator
• NFC and service interface
• Release button to allow for manual operation
• Indicator lights for displaying the operating mode
• Addressing key for setting user addresses in bus mode
• Controller casing prepared with 4 openings for threaded connections, 2 cable glands M16 x 1.5 for connecting cable in the supply package
• Controller casing can be opened without tools

• TVR, TZ-Silenzio, TA-Silenzio, TVZ, TVA,
• TVRK up to nominal size 250

• TVJ
• TVT up to dimension 1000 × 300 or 800 × 400
• TVRK nominal size 315 - 400

• TVT from dimensions of 800 × 500 to 1000 × 600

• Due to the room pressure operating values set at the factory, it must always be ensured that the control units are only installed at the intended locations
• Modbus/BACnet/MP bus interface: additional commissioning steps required
• Operating parameters can be adjusted using the TROX FlowCheck app

• Smartphone app for Android and iOS
• Adjustment device type ZTH-EU (order code AT-VAV-B)
• Belimo PC-Tool
• NFC Bluetooth converter ZIP-BT-NF