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    VENTS VKM 400

    VENTS VKM 400
    • VENTS VKM 400
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    • VENTS VKM 400
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    Inline centrifugal fans in steel casing with air flow up to 3500 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 400
    50 Hz     		VKM 400
    60 Hz     		Measurement unit
    Phase 1 1 ˜
    Voltage 220-240 220-240 V
    Frequency 50 60 Hz
    Sound pressure level at 3 m distance 61 64 dBА
    Power consumption 460 673 W
    Maximum air capacity 3090 3500 m³/h
    Current 2.23 3.05 A
    RPM 1370 1585 min-1
    Max. transported air temperature -40 +80 -40 +55 °С
    Protection rating IP X4 IP X4 -
    Design centrifugal centrifugal -
    Weight 25.1 25.1 kg
    Duct diameter 400 400 mm
    Casing material polymer coated steel polymer coated steel -
    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 400
    Parameter Value Measurement unit
    ∅D 398 mm
    B1 634 mm
    ØD1 570 mm
    B 663 mm
    L 570 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 97 59 84 82 86 92 93 88 78 77 87
    LwA to outlet dBA 96 61 75 85 82 90 94 86 78 76 86
    LwA to environment dBA 81 35 57 66 75 77 77 66 58 61 71
    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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