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    VENTS VKM 355 Q

    VENTS VKM 355 Q
    • VENTS VKM 355 Q
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    • VENTS VKM 355 Q
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    Inline centrifugal fans in steel casing with air flow up to 2350 m³/h.
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    • Description
    • Characteristics
    • Capacity diagram
    • Downloads
    • Dimensions
    • Additional diagrams
    • Designation key
    Description
    Description
    APPLICATIONS
    • Supply and exhaust systems for various premises.
    • The steel casing provides reliable operation in case of outdoor installation. 
    • For premises with high requirements to the noise level we suggest units in low-noise modification (VKM…Q).
    DESIGN
    • The fan casing is made of steel with polymeric coating. 
    • For easy connection and operation the power cord with a plug can be provided (VKM…R).
    MOTOR
    • The impeller with backward curved blades is powered by the single phase motor with external rotor and overheating protection with automatic restart.
    • Some standard sizes are available is high-powered modifications (VKMS).
    •  The VKM…E models are equipped with energy-efficient motor with low energy demand. 
    • The motor is equipped with ball bearings for long service life designed for at least 40 000 hours.
    • For precise features, safe operation and low noise, each turbine is dynamically balanced while assembly.
    • Motor protection rating IP 44.
    SPEED CONTROL
    • Smooth or step speed control with a thyristor or autotransformer speed controller.
    • Several fans may be connected to one speed controller provided that the total power and operating current do not exceed the rated speed controller parameters. 
    • The VKM...P models are equipped with a built-in speed controller (available for diameters 100...315).
    MOUNTING
    • Mounting to wall or ceiling at any angle is performed with fastening brackets supplied with the unit.
    • The fan is powered through the external terminal box.
    • Electric connection and installation shall be performed in compliance with the manual and wiring diagram on the terminal box. 
    THE FAN WITH ELECTRONIC TEMPERATURE AND CONTROL MODULE (U OPTION)
    • The ideal solution for ventilation of the premises requiring permanent temperature control, i.e. greenhouses.
    • The fan with the electronic temperature and speed control module provides automatic control of the motor speed (air capacity) depending on air temperature in the air duct or in the room.
    • The front panel of the electronic module has the following control knobs:
      • speed control knob for setting the motor speed;
      • thermostat control knob for setting the temperature set point;
      • thermostat indicator light.
    • VKM...Un - the model with an external temperature sensor fixed on a 4 m cable (Un / U1n option). 
    • The temoerature sensor has mechanial protection.
    VENTS VKM fan catering ventilation example
    Characteristics
    Characteristics
    Parameter VKM 355 Q
    50 Hz     		VKM 355 Q
    60 Hz     		Measurement unit
    Phase 1 1 ˜
    Voltage 220-240 220-240 V
    Frequency 50 60 Hz
    Sound pressure level at 3 m distance 58 59 dBА
    Power consumption 233 297 W
    Maximum air capacity 2250 2350 m³/h
    Current 1.06 1.3 A
    Max. transported air temperature -25 +45 -25 +45 °С
    RPM 1375 1620 min-1
    Protection rating IP X4 IP X4 -
    Design centrifugal centrifugal -
    Duct diameter 355 355 mm
    Weight 18.8 18.8 kg
    Casing material polymer coated steel polymer coated steel -
    SEC Class - - -
    Duct for round air ducts for round air ducts -
    Type supply and exhaust supply and exhaust -
    Mounting Inline Inline -
    * To meet the requirements of ErP 2018, a speed controller and local demand control typology must be applied (connect a sensor). 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
    • Selection method:
    • Air flow:
    • Pressure:
    Operating point
    • Air flow: --
    • Pressure: ---
    Files archieve
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    "VENTS VKM" product description 08-2023 (pdf 1.6Mb)
    Download high quality image "VENTS VKM 100-315 (ErP 2018)" (psd 2.16Mb)
    Download high quality image "VENTS VKM 355-450 (ErP 2018)" (psd 3.22Mb)
    Certificate GS "VKM,VKMz" (pdf 405.03Kb)
    Declaration of сonformity "VK,VKM,VKMz" (pdf 1.64Mb)
    Certificate LVD "VKM,VKMz" (pdf 107.81Kb)
    Download image "VENTS VKM 100-315 (ErP 2018)" for your website (png 299.53Kb)
    Download image "VENTS VKM 355-450 (ErP 2018)" for your website (png 407.36Kb)
    "VENTS VKM" user's manual 01-2022 (V05EN-11) (pdf 977Kb)
    "VENTS VKM(S)" user's manual 01-2024 (V05-3EN-02) (pdf 884.37Kb)
    Dimensions
    Characteristics
    VENTS VKM 355 Q
    Parameter Value Measurement unit
    ∅D 353 mm
    B1 522 mm
    ØD1 460 mm
    B 522 mm
    L 506 mm
    L1 60 mm
    L2 60 mm
    L3 70 mm
    Additional diagrams
    Additional diagrams
    Sound-power level LpA, 3 m dBA LpA, 1 m dBA
      Gen. Octave-frequency band [Hz]
      Hz 63 125 250 500 1000 2000 4000 8000
    LwA to inlet dBA 92 62 80 87 85 87 83 79 66 71 81
    LwA to outlet dBA 91 66 79 75 84 87 84 79 65 70 80
    LwA to environment dBA 72 37 51 64 67 67 65 53 41 52 62
    Designation key
    Designation key
    Series Air duct diameter Options
    VENTS VKМ  S: high- powered motor

    100; 125; 150; 160; 200; 250; 315; 355; 400; 450

    		 Е: low energy demand motor.
    Q: low-powered motor.
    Un: speed controller with an electronic thermostat and a temperature sensor fixed on a 4 m cable. Temperature-based operation logic.
    U2n: speed controller with an electronic thermostat and a temperature sensor fixed on a 4-meter cable. Temperature-based switching on/off.
    R1: power cord with a mains plug.
    P: integrated smooth speed controller.
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