Wilo-Comfort-Vario COR-1 MVIE.../VR

Series description

Special features/product advantages

  • Sturdy system due to MVIE series stainless-steel high-pressure centrifugal pumps with air-cooled integrated frequency converter
  • Frequency converter with superproportionally large control range
  • Integrated full motor protection via PTC
  • Integrated dry-running detection with automatic cut-out in event of low water via performance characteristics of the motor control electronics

Design type

Water-supply unit with a non-self-priming high-pressure multistage centrifugal pump with integrated frequency converter and Vario controller VR for motors from 7.5 kW


  • Fully automatic water supply and pressure boosting in residential, commercial and public buildings, hotels, hospitals, department stores and for industrial systems.
  • Pumping of drinking water and process water, cooling water, fire water (apart from fire-extinguishing systems in accordance with DIN 14462 and with the approval of the local fire safety authorities) or other types of industrial water that do not attack the materials either chemically or mechanically and do not contain abrasive or long-fibre constituents.


  • 1 MVIE series pump with infinitely variable control mode via integrated frequency converter
  • Including VR control device for motor powers from 11 to 22 kW
  • All components in contact with fluid are corrosion resistant
  • Check valve, on the pressure side
  • Non-return valve, pressure side
  • Diaphragm pressure vessel 8 l, PN16

Scope of delivery

  • Factory-mounted, connection-ready pressure boosting system checked for functionality and impermeability
  • Packaging
  • Installation and operating instructions

Type key


Wilo-COR-1 MVIE 204/VR


Compact pressure boosting system


Regulation (control) by frequency converter


With one pump


Pump series


Nominal volume of the single pump [m3/h]


Number of single-pump stages


Vario controller

Technical data

  • Mains connection 3~ 400 V ± 10 %, 50 Hz; 3~380/380 V ±10 %, 60 Hz (other versions on request)
  • Max. fluid temperature 50 °C (70 °C optional)
  • Max. ambient temperature 40 °C
  • Operating pressure 16 bar
  • Inlet pressure 10 bar
  • Nominal connection diameter on inlet side DN 100
  • Nominal connection diameter on pressure side DN 100
  • Protection class IP 54 (VR control device)
  • Fuse protection on mains side A, AC 3 according to motor power and EVU regulations


  • Impellers 1.4301/1.4404 stainless steel
  • Stage chambers 1.4301/1.4404 stainless steel
  • Pump housing EN-GJL-250/1.4404
  • Shaft, depending on type stainless steel 1.4057/1.4404
  • Gaskets EPDM (EP851)/FKM (Viton)
  • Housing cover made of 1.4301/1.4404 stainless steel
  • Housing bottom 1.4301/1.4404 stainless steel
  • Mechanical seal B-carbon/tungsten carbide, SiC/carbon
  • Pressure shroud 1.4301/1.4404 stainless steel
  • Bearing, tungsten carbide
  • Pipework made of 1.4571 stainless steel


  • Base frame: Galvanised steel with height-adjustable vibration dampers for comprehensive insulation against structure-borne noise
  • Pipework: complete pressure-side pipework made of stainless steel, suitable for the connection of all piping materials used in building services; the pipework is dimensioned according to the overall hydraulic performance of the pressure boosting system
  • Pumps: 1 pump from the series MVIE 16.., 32.., 52.., 70.., or 95.. (up to max. motor power of 22 kW) is used; the adapted, air-cooled frequency converter on the pump motor enables continuous auto control between 25 Hz and a maximum of 65 Hz for all pumps of these series; all pump components in contact with fluid are made of stainless steel.
  • Valves: the pump is fitted on the pressure side with a check valve with DVGW approval mark and a DVGW-approved non-return valve
  • Diaphragm pressure vessel: 8 l/PN16 located on the discharge side with a butyl rubber diaphragm, completely safe in accordance with food safety laws; for testing and inspection purposes, with shut-off ball cock, with drain and throughflow fitting according to DIN 4807

Duty chart

Comfort-Vario COR


REACH Regulation

Edition 2018-10
Page format 209.9 x 296.7 mm
Number of pages 4

PDF (19 MB)


General overview 2018 International version

Article Number 2200591
Edition 2018
Version number 1
Page format 209.9 x 297.0 mm
Number of pages 72

PDF (11 MB)


Wilo-SiBoost Smart 1 Wilo-Comfort-Vario COR-1 ...-GE, .../VR

Article Number 2535459
Edition 2013-07
Version number 02
Page format A4
Number of pages 44

PDF (3 MB)



Article Number 2040503
Edition 1108
Version number 02
Page format A4
Number of pages 26

PDF (341 kB)


Wilo-Multivert-MVIE 11... 22 kW

Article Number 4093679
Edition 0809
Version number 04
Page format A4
Number of pages 18

PDF (730 kB)


Wilo-Multivert-MVIE 11... 22 kW

Article Number 4093679
Edition 0809
Version number 04
Page format A4
Number of pages 32

PDF (2 MB)



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