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VAV terminal unit Type TZ-Silenzio

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TZ-SILENZIO   

For supply air systems with demanding acoustic requirements and low airflow velocities

 


Rectangular VAV terminal units for the supply air control in buildings with variable air volume systems, demanding acoustic requirements and low airflow velocities

  • Highly effective integral attenuator
  • Optimised for airflow velocities of 0.7 – approx. 7 m/s
  • High control accuracy, even in case of unfavourable upstream conditions
  • Compact construction with rectangular connections on both ends
  • Electronic control components for different applications (Easy, Compact, Universal, and LABCONTROL)
  • Closed blade air leakage to EN 1751, Class 4
  • Casing leakage to EN 1751, Class C


Optional equipment and accessories

  • Acoustic cladding for the reduction of case-radiated noise
  • Secondary silencer Type TS for the reduction of air-regenerated noise
  • Hot water heat exchanger of Type WT for reheating the airflow

 


 


 

General Information

Application
  • Rectangular VAV terminal units for use in ventilation and air conditioning systems
  • For controlling, restricting or shutting off airflows in supply air systems with low velocities and demanding acoustic requirements
  • Integral attenuator
  • Closed-loop volume flow control using an external power supply
  • For variable or constant volume flow systems
  • Shut-off by means of switching (by others)
  • Can also be used for differential pressure control with suitable control components


Special features
  • Hygiene tested and certified
  • Direct connection to ductwork
  • Factory set-up or programming and aerodynamic function testing
  • Parameters can also later be set on the control component; additional adjustment device may be necessary


Nominal sizes

  • 125, 160, 200, 250, 315


Variants
  • TZ-Silenzio: supply air unit
  • TZ-Silenzio-D: supply air unit with acoustic cladding
  • Units with acoustic cladding and/or secondary silencer Type TS for very demanding acoustic requirements
  • Acoustic cladding cannot be retrofitted


Parts and characteristics
  • Ready-to-commission unit which consists of mechanical parts and control components
  • Averaging effective pressure sensor for volume flow rate measurement
  • Damper blade
  • Integral attenuator
  • Factory assembled control components complete with wiring and tubing
  • Aerodynamic functional testing on a special test rig prior to shipping of each unit
  • Set-up data is given on a label or volume flow rate scale affixed to the unit
  • High control accuracy, even in case of unfavourable upstream conditions


Attachments
  • Easy controller: compact unit with potentiometers
  • Compact controller: compact unit consisting of controller with potentiometers, effective pressure transducer and actuator
  • Universal controller: controller, effective pressure transducer and actuators for special applications
  • LABCONTROL: Control components for air management systems



Useful additions
  • Secondary silencer Type TS
  • Heat exchanger Type WT


Construction features
  • Rectangular casing
  • Replaceable seals
  • Flanges on both ends for the connection to ductwork
  • Position of the damper blade indicated externally at shaft extension
  • Thermal and acoustic insulation (lining)


Materials and surfaces

  • Casing made of galvanised sheet steel
  • Damper blade and effective pressure sensor made of aluminium
  • Lining is mineral wool
  • Plastic plain bearings
  • Shaft and linkage: galvanised steel

Variant with acoustic cladding (-D)
  • Acoustic cladding made of galvanised sheet steel
  • Lining is mineral wool
  • Rubber elements for the insulation of structure-borne noise

Mineral wool
  • To EN 13501, fire rating class A1, non-combustible
  • RAL quality mark RAL-GZ 388
  • Non-hazardous to health thanks to being highly biosoluble in accordance with the Ordinance on Hazardous Substances and Note Q of the European Directive (EC) No. 1272/2008
  • Faced with glass fibre fabric as a protection against erosion from airflow velocities of up to 20 m/s
  • Inert to fungal and bacterial growth


Standards and guidelines

Fulfils the hygiene requirements of
  • EN 16798, Part 3
  • VDI 6022, Sheet 1
  • DIN 1946, Part 4
  • For other applicable standards and guidelines refer to the hygiene certificate

Casing leakage
  • EN 1751, Class C

Closed blade air leakage
  • EN 1751, Class 4
  • Meets the increased requirements of DIN 1946, Part 4, with regard to the acceptable closed blade air leakage

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

Tehnički podaci

Function, Technical data, Specification text, Order codes, Related products

  • Function
  • TECHNICAL DATA
  • SPECIFICATION TEXT
  • ORDER CODES
  • RELATED PRODUCTS
Schematic illustration of the TZ-Silenzio TZ-Silenzio_gc_04ai.png

① Integral sound attenuator

② Effective pressure sensor

③ Control components, e.g. an Easy controller

④ Damper blade with seal


The VAV terminal unit is fitted with an effective pressure sensor for measuring the volume flow rate.

The control components (attachments) include an effective pressure transducer that transforms the effective pressure into an electric signal, a controller, and an actuator; the control functions can be achieved with an Easy controller, with a Compact controller, or with individual components (Universal).

For most applications, the setpoint value comes from a room temperature controller.

The controller compares the actual value with the setpoint value and alters the control signal of the actuator if there is a difference between the two values.

An integral attenuator reduces the noise that is created by the restriction of the airflow.

 


Variants

  • VARIANTS

VAV terminal unit, variant TZ-Silenzio

Application
  • VAV terminal unit for variable supply air volume flow control


VAV TERMINAL UNIT, VARIANT TZ-SILENZIO - D

Application
  • VAV terminal unit with acoustic cladding for variable supply air volume flow control
  • For rooms where the case-radiated noise of the unit is not sufficiently reduced by a false ceiling
  • The ducts for the room under consideration must have adequate acoustic insulation (to be provided by others) on the fan end
  • Ideally, the ducts on the room side should also be insulated (by others)
  • Acoustic cladding cannot be retrofitted

Standard construction

Order code detail Part Material
- Casing Galvanised sheet steel
- Effective pressure sensor Aluminium
- Damper blade Aluminium
- Damper blade seal Polyethylene, PE
- Shaft and linkage Galvanised steel
Plain bearings Plastic 
Gears Plastic, ABS



Order code detail Part Material
D Acoustic cladding casing Galvanised sheet steel
D Insulation of structure-borne noise Polyethylene, PE
D Lining Mineral wool according to EN 13501, fire rating Class A1, noncombustible

Preuzimanja

informacije o proizvodima

brošure

certifikati

priručnici za rad

production {"x-frame-options"=>"SAMEORIGIN", "x-xss-protection"=>"1; mode=block", "x-content-type-options"=>"nosniff", "x-download-options"=>"noopen", "x-permitted-cross-domain-policies"=>"none", "referrer-policy"=>"strict-origin-when-cross-origin", "strict-transport-security"=>"max-age=31536000; includeSubDomains", "content-type"=>"text/html; charset=utf-8"}

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Zahvaljujemo na vašoj poruci!

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Naš odjel za servisne zahtjeve što skorije će vas kontaktirati.
Za opća pitanja u vezi s proizvodima ili uslugama možete i nazvati:
Tel.: +385 1 61 55 401 | Faks: +385 1 61 58 598