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VENTS TT Silent-M 200 EC

Mixed-type duct fan with EC motors in casings with noise and heat insulation. Air flow up to 1040 m³/h.

  • Description
  • Characteristics
  • Capacity diagram
  • Downloads
  • Dimensions
  • Additional characteristics
  • Designation key
  • BIM
  • The new VENTS TT Silent-M EC duct fan series is provided with a special noise-insulated casing which ensures silent operation and excellent aerodynamic characteristics.
  • Compatible with Ø100 up to Ø315 mm air ducts.
  • The VENTS TT Silent-M EC fans combine the versatility and outstanding performance of both axial and centrifugal fans producing a powerful air flow and high pressure while retaining the signature energy-efficiency and response of EC motors.
  • Several fans can be integrated into a single computer-controlled system with sensor feedback combined with speed control across the entire dynamic range.
  • Application: Combined supply and exhaust ventilation systems of various commercial and industrial spaces with stringent noise requirements (such as libraries, conference halls, classrooms, kindergarten playrooms etc.).
  • The external casing is made of steel with a polymer coating.
  • The internal casing perforations conduct sound waves and direct them at the noise-absorbing material at a specific angle.
  • Noise and heat insulation is ensured by a mineral wool layer 50 mm in thickness.
  • Wideband noise control is achieved by means of special casing perforation and the use of noise-absorbing material.
  • The inner casing and the impeller are made of durable high-quality plastic.
  • Conical impellers with specially profiled blades help boost angular velocity of the air flow resulting in higher pressure and air capacity compared to the conventional designs.
  • The combination of a diffuser, a specially designed impeller and flow straightener vanes at the fan outlet allow for an optimum flow distribution to achieve high capacity and increased air pressure without generating excessive noise.
  • The fan casing is equipped with an external water-tight terminal box for electrical connections.
  • The fans feature high-efficiency electronically commutated (EC) direct current motors.
  • These state-of-the-art units offer excellent energy efficiency.
  • EC motors combine high performance and optimum control across the entire speed range.
  • The performance efficiency of the electronically commutated motors reaches 90 %.
  • The fans are controlled by means of a 0-10 V control signal while the performance regulation is based on the feedback from the temperature, smoke and other sensors as well as other vital parameter settings.
  • As the control signal changes the EC fan adjusts the speed to supply the exact amount of air required by the ventilation system.
  • The maximum fan speed does not depend on the electric mains frequency enabling compatibility with both 50 Hz and 60 Hz networks.
  • The fans can be easily combined into a single computer-controlled network.
  • Special software allows for precise control over the operating parameters of the network units.
  • All the system parameters can be monitored from a computer screen allowing to program operating parameters for each fan on the network individually.
  • The fans are designed to be used with round air ducts.
  • The fan casing has mounting brackets for convenient installation onto the floor, walls or ceiling.
  • The ducts can be fitted at any angle relative to the fan axis. 
  • Make sure to provide sufficient maintenance access during fan installation. 
  • Electrical connection and installation must be performed in accordance with the instruction manual and the electrical connections diagram applied to the terminal box.
  • A single system may have several fans installed in parallel to boost the output capacity or in series to boost the working pressure.
Parameter TT Silent-M 200 EC
Measurement unit
Phase 1 ˜
Voltage 230 V
Frequency 50/60 Hz
Power 123 W
Maximum air capacity 1040 m³/h
RPM 3390 min-1
Max. transported air temperature -25...+55 °С
Protection rating IP X4 -
Weight 8.6 kg
Sound pressure level at 3 m distance 43 dBА
SEC Class - -
Current 1.02 A
* To meet the requirements of ErP 2018, a speed controller and local demand control typology must be applied (connect a sensor). -
Capacity diagram
Capacity diagram
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  • Air flow:
  • Pressure:
Operating point
  • Air flow: --
  • Pressure: ---
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"VENTS TT Silent-M EC" product description 05-2022 (pdf 1.23Mb)
Download high quality image "VENTS TT Silent-M EC (ErP 2018)" (psd 3.95Mb)
Download image "VENTS TT Silent-M EC (ErP 2018)" for your website (png 380.07Kb)
"VENTS TT Silent-M EC" user’s manual 09-2022 (V97-1EN-04) (pdf 2.76Mb)
VENTS  TT Silent-M 200 EC
Parameter Value Measurement unit
∅D 198 mm
B 293 mm
B1 392 mm
H 311 mm
L 558 mm
Additional characteristics
Additional characteristics
Sound power level [A-filter] Octave frequency band [Hz] LpA, 3 m [dB(А)] LpA, 1 m [dB(А)]
  Hz Gen. 63 125 250 500 1000 2000 4000 8000
LwA to inlet dB(А) 68 37 47 57 63 63 62 61 55 48 58
LwA to outlet dB(А) 70 42 50 59 64 66 64 63 58 50 60
LwA to environment dB(А) 63 31 43 53 61 56 53 47 37 43 52
Designation key
Designation key
Series Casing material Air ducts diameter Motor type
VENTS TT SILENT-M: mixed-type duct fan in casings with noise and heat insulation M: metal 100; 125; 150; 160; 200; 250; 315 EC: synchronous electronically commutated motor

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