Wilo-Economy CO-1 MVIS.../ER

Series description

Special features/product advantages

  • Virtually noiseless system due to a glandless stainless-steel high-pressure multistage centrifugal pump
  • Up to 20 dB[A] quieter than conventional systems with comparable hydraulic output
  • Operationally reliable due to combination of MVIS pump series with ER-1 switchgear

Design type

Water-supply unit with a glandless, non-self-priming high-pressure multistage centrifugal pump

Application

  • 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.

Equipment/function

  • 1 MVIS series pump
  • Maximum stage number: 10
  • Three-phase current glandless pump motor
  • Components that come in contact with the fluid are corrosion-resistant
  • Base frame made of galvanised 1.4301 stainless steel, with height-adjustable vibration absorbers for insulation against structure-borne noise
  • Shut-off valve on pressure side
  • Non-return valve, pressure side
  • Diaphragm pressure vessel 8 l, PN16, pressure side

Scope of delivery

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

Type key

Example:

Wilo-CO-1 MVIS 204/ER

CO

Compact pressure boosting system

1

With one pump

MVIS

Pump series

2

Rated volume flow of the single pump [m3/h]

04

Number of single-pump stages

ER

Control device; ER = Economy controller

Technical data

  • Mains connection 3~230/400 V ±10 %, 50 Hz (other versions on request)
  • Max. fluid temperature 50 °C
  • Max. ambient temperature of 40 °C
  • Operating pressure 6 bar
  • Inlet pressure 6 bar
  • Switching pressure stages 6/10/16 bar
  • Nominal connection diameters, on inlet side Rp 1¼ - Rp 1½
  • Nominal connection diameters on discharge side R 1¼
  • Rated speed 2800 rpm
  • Protection class IP54 (ER control device)
  • Switching capacity P2 max. at max. 10 A = 4 kW (for > 4 kW downstream electromechanical power section)
  • Fuse protection on mains side [AC 3] according to motor power and EVU regulations
  • Approved fluids (other fluids on request):Note on fluids: Approved fluids are generally waters which do not attack the materials used, neither chemically nor mechanically, and do not contain any abrasive or long-fibre constituents.
    • Pure water without settling sediments
    • Process water, cold water, cooling water and rainwater
    • Drinking water
    • Fire water

Materials

  • Foot 1.4301 stainless steel
  • Impellers 1.4301 stainless steel
  • Stage chambers 1.4301 stainless steel
  • Pressure shroud 1.4301 stainless steel
  • Shaft 1.4122 stainless steel
  • Bearing/mechanical seal made of carbon, resin-impregnated
  • Pipework made of 1.4571 stainless steel

Description/construction

  • Connection-ready water-supply unit, mounted on base frame made of stainless steel including vibration absorber, complete pipework made of stainless steel, including all necessary fittings and shut-off devices (except for inlet-side shut-off device), pressure control kit, stainless steel glandless high-pressure multistage centrifugal pump (MVIS) and ER-1 switchgear, mounted, wired and ready for connection; trip electronics in switchgear for low-water cut-out.
  • 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
  • Switchgear: the system is standard-equipped with an ER-1 Economy Controller

Downloads

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)

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PDF: Wilo-Economy CO-1 MVIS.../ER

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