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    VENTS VKPI 700х400 L3 EC

    VENTS VKPI 700х400 L3 EC
    • VENTS VKPI 700х400 L3 EC
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    • VENTS VKPI 700х400 L3 EC
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    Centrifugal fans for rectangular ducts. Air flow up to 6810 m³/h.
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    • Description
    • Characteristics
    • Capacity diagram
    • Downloads
    • Dimensions
    • Additional characteristics
    • Designation key
    Description
    Description
    APPLICATIONS
    • Supply and exhaust ventilation and air conditioning systems for various premises requiring cost-effective solution, low noise and controllable ventilation.
    • EC motors applied in VKP fans reduce energy demand by 1.5 times and ensure high aerodynamic performance and low noise level.
    • Such characteristics are of special importance for ventilation of banks, supermarkets, restaurants, hotels and other public facilities including swimming pool ventilation.
    • The fans are compatible with 300х150–1000х500 mm rectangular ducts.
    DESIGN
    • Fan casing is made of galvanized steel and is heatand sound-insulated with 50 mm mineral wool layer. 
    • All inner components are interconnected by means of rivets.
    • The fan is equipped with 20 mm standard flanges.
    MOTOR

    • The impellers with backward curved blades are powered with high efficient electronically commutated (EC) direct current motors with an external rotor.

    • As of today, such motor type is the most advanced solution for energy saving.
    • EC motors are featured by high performance and the optimal control over the whole range of fan speeds.
    • Premium efficiency reaching up to 90 % is an absolute advantage of electronically commutated motors.
    BUILD-IN FUNCTIONS AND CONTROL
    • The fan is controlled with the external control signal 0-10 V (air capacity as a function of temperature level, pressure and smoke conditions etc).
    • Should the control value factor get changed the EC-motor changes its speed and the fan boosts as much air capacity to the ventilation system as required.
    • Maximum speed of the fan does not depend on the current frequency and it can operate at 50 or 60 Hz mains supply.
    MOUNTING
    • The fans are mounted into the rectangular ducts and require no special fixing in sizes 300x150–500x300.
    • For large size fans and in case of connection through the flexible connectors, the fan is fixed to a building by means of supports, suspension brackets or fixation brackets.
    • The fans can be mounted in any position with respect to the airflow direction which is indicated with a pointer on the casing.
    • Access for the fan maintenance shall be provided.
    • The casing is provided with the removable access door for inspection and maintenance purposes.
    VENTS VKPI EC fan school class ventilation example VENTS VKPI EC fan car parking stand ventilation example
    Characteristics
    Characteristics
    Parameter VENTS VKPI 700х400 L3 EC
    		 Measurement unit
    Frequency 50/60 Hz
    Phase 3 ˜
    Voltage 380-480 V
    Power 2748 W
    Current 2.80 A
    Air capacity 6810 m³/h
    EC motor yes -
    RPM 2530 min-1
    Protection rating IP X4 -
    Transported air temperature -25 ... +50 °С
    Sound pressure level at 3 m distance 43 dBА
    Casing material galvanized steel -
    SEC Class - -
    Capacity diagram
    Capacity diagram
    • Selection method:
    • Air flow:
    • Pressure:
    Operating point
    • Air flow: --
    • Pressure: ---
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    Download high quality image "VENTS VKPI EC (ErP 2018)" (psd 2.79Mb)
    "VENTS VKPI EC" product description 03-2021 (pdf 1.99Mb)
    Download image "VENTS VKPI EC (ErP 2018)" for your website (png 439.34Kb)
    "VENTS VKPI EC" user's manual 01-2021 (V210EN-01) (pdf 2.06Mb)
    Dimensions
    Characteristics
    VENTS VKPI 700х400 L3 EC
    Parameter Value Measurement unit
    В 700 mm
    B1 720 mm
    B3 883 mm
    H 400 mm
    H1 420 mm
    H3 714 mm
    L 882 mm
    K 742 mm
    F 855 mm
    Additional characteristics
    Additional characteristics
    Sound power level, A-filter applied Sound pressure level at 3 meters, A-filter applied Sound pressure level at 1 meter, A-filter applied
    Sound power level Gen. Octave frequency band [Hz]
      Hz 63 125 250 500 1000 2000 4000 8000 LpA, 3 m [dBA] LpA, 1 m [dBA]
    LwA to inlet dBA 72 46 64 63 66 64 62 59 60 51 61
    LwA to outlet dBA 73 44 64 67 67 67 64 58 58 53 63
    LwA to environment dBA 63 44 60 57 54 52 48 44 42 43 53
    Designation key
    Designation key
    Series Rectangular air duct diameter (WxH) [mm] Motor modification Phase Motor
    VKP – centrifugal fan
    VKPI – centrifugal fan in sound-insulated casing     		 300х150, 400х200, 500х250, 500х300, 600х300, 600х350, 700х400, 800х500, 900х500, 1000х500 L: medium pressure motor
    M: high pressure motor     		 1: single phase
    3: three phase    		 EC: synchronous electronically commutated motor
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