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VENTS VKPI 900х500 L3 EC


Centrifugal fans for rectangular ducts. Air flow up to 11190 m³/h.

  • 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 900х500 L3 EC
Measurement unit
Frequency 50/60 Hz
Phase 3 ˜
Voltage 380-480 V
Current 5.00 A
Sound pressure level at 3 m distance 47 dBА
Power consumption 3429 W
Air capacity 11190 m³/h
EC motor yes -
RPM 1800 min-1
Protection rating IP X4 -
Transported air temperature -25 ... +50 °С
Casing material galvanized steel -
SEC Class - -
Capacity diagram
Capacity diagram
  • Selection method:
  • Air flow:
  • Pressure:
Operating point
  • Air flow: --
  • Pressure: ---
Files archieve
Downloads
Name
Download high quality image "VENTS VKPI EC (ErP 2018)" (psd 2.79Mb)
Brochure "VENTS VKPI EC" (pdf 2.16Mb)
Download image "VENTS VKPI EC (ErP 2018)" for your website (png 439.34Kb)
User's manual "VENTS VKP, VKPI, VKPF, VKPFI, VKP EC, VKPI EC" (pdf 5.71Mb)
Dimensions
Characteristics
VENTS VKPI 900х500 L3 EC
Parameter Value Measurement unit
В 900 mm
B1 920 mm
B3 1083 mm
H 500 mm
H1 520 mm
H3 814 mm
L 1052 mm
K 850 mm
F 1055 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 73 46 65 64 67 65 63 60 60 52 62
LwA to outlet dBA 74 44 65 67 67 68 64 59 59 53 63
LwA to environment dBA 68 48 65 62 58 56 52 48 45 47 57
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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