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Wilo-Comfort-Vario COR-1 MHIE...-GE
Installation and Operating Instructions  »

Water-supply unit with a non-self-priming high-pressure multistage centrifugal pump and integrated speed control

  • Fully automatic water supply in intake mode, either from the public water supply network or from a tank.
  • Pumping of potable water, process water, cooling water, water for fire-fighting or other water mixtures that do not chemically or mechanically attack the materials used and do not contain abrasive or long-fibre constituents
Special features/Product advantages
  • Heavy-duty system due to MHIE series stainless steel high-pressure multistage 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 deactivation in the event of low water through the use of the performance characteristics of the motor control electronics
Wilo-Comfort-Vario COR-1 MHIE...-GE
Technical data

  • Mains connection 3~400 V, 50/60 Hz or also 1~230V, 50/60 Hz, depending on type
  • Fluid temperature max. 70 °C
  • Operating pressure 10 bar
  • Inlet pressure 6 bar
  • Nominal connection diameters on suction side Rp 1 - Rp 2
  • Nominal connection diameters on pressure side Rp 1¼ - Rp 2½
  • Protection class: IP 54
Equipment
  • 1 MHIE series pump with infinitely variable control mode via integrated frequency converter
  • All components in contact with fluid are corrosion resistant
  • Pipework made of 1.4571 stainless steel
  • Shut-off valve, pressure side
  • Non-return valve, pressure side
  • Diaphragm pressure vessel 8 l, PN16
  • Including VR controller for motor power from 11 to 22 kW
Description/Design
  • Base frame: 1.4301 stainless steel with height-adjustable vibration dampers for comprehensive insulation against structure-borne noise
  • Pipework: Complete pressure-side pipework made of 1.4571 stainless steel, suitable for connection of all commonly used piping materials; the pipework is sized corresponding to the overall hydraulic performance of the pressure boosting system
  • Pumps: 1 pump is used from each of the series MHIE 2.., 4.., 8.. or 16.. (motor power up to max. 2.2 kW); the adapted, air-cooled frequency converter on the pump motor enables an infinitely variable control mode between 24 Hz and a maximum of 60 Hz for all pumps of these series; all pump components in contact with fluid are made of 1.4301 stainless steel
  • Fittings: Each pump is fitted on the pressure side with a DVGW-tested, Ni-coated, CuZn gear-operated shut-off ball fitting and a DVGW-approved POM non-return valve in a CuZu housing
  • Diaphragm pressure vessel: 8 l/PN 16 located on the discharge side with a butyl rubber diaphragm, completely safe in accordance with food safety laws; complete with Ni-coated CuZn shut-off ball cock for tests and inspections, with drain and throughflow fitting in accordance with DIN 4807
Materials
  • Impellers made of 1.4301/1.4404 stainless steel
  • Stage chambers made of 1.4301/1.4404 stainless steel
  • Pump housing made of 1.4301/1.4404 stainless steel
  • Shaft made of 1.4404 stainless steel
  • Seals EPDM (EP851)/Viton
  • Housing cover made of 1.4301/1.4404 stainless steel
  • Mechanical seal made of tungsten carbide/carbon
  • Pressure shroud made of 1.4301/1.4404 stainless steel
  • Bearing made of tungsten carbide
  • Pump base made of aluminium
Scope of delivery
  • Factory-mounted, connection-ready pressure boosting system checked for functionality and impermeability
  • Packaging
  • Installation and operating instructions
Wilo-Comfort-Vario COR-1 MHIE...-GE
Name Suction size Pressure stage Motor Rated power 
COR-1 MHIE 1602-2G-GE Rp 2  PN 10 3~ 400 V 2,2 kW 
COR-1 MHIE 803-2G-GE Rp 1½  PN 10 3~ 400 V 2,2 kW 
COR-1 MHIE 406-2G-GE Rp 1¼  PN 10 3~ 400 V 2,2 kW 
COR-1 MHIE 403-2G-GE Rp 1¼  PN 10 3~ 400 V 1,1 kW 
COR-1 MHIE 403 EM-GE Rp 1¼  PN 10 1~ 230 V 1,1 kW 
COR-1 MHIE 205-2G-GE Rp 1  PN 10 3~ 400 V 1,1 kW 
COR-1 MHIE 205 EM-GE Rp 1  PN 10 1~ 230 V 1,1 kW