Wilo-Comfort CO-/COR-MVI.../CC

Series description

Your advantages

  • Easy-to-operate system in accordance with DIN 1988
  • 2-6 vertical stainless steel high-pressure centrifugal pumps, switched in parallel, of the MVI series
  • Easy-to-use "CC" control device, with memory-programmable microcomputer control and completely graphics-capable touch display, menu-prompted input of operating parameters, available with frequency converter for infinitely variable control of the base-load pump with COR systems

Construction

Pressure boosting system with 2 to 6 parallel-switched, non self-priming stainless steel high-pressure multistage centrifugal pumps

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

  • 2-6 pumps of the MVI series per system
  • Automatic pump control via CC Controller
  • Components that come in contact with fluid are corrosion-resistant
  • Base frame galvanised, with height-adjustable vibration absorbers for insulation against structure-borne noise
  • Check valve at each pump, on the suction and pressure sides
  • Non-return valve, pressure side
  • Diaphragm pressure vessel 8 l, PN16, pressure side
  • Pressure sensor, on the discharge side
  • Optional pressure gauge, suction side
  • Pressure gauge, discharge side
  • Optional low-water cut-out switchgear

Scope of delivery

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

Type key

Example:

Wilo-COR-4 MVI 804/CC

CO

Compact pressure boosting system

R

Control of the respective base-load pump by frequency converters

4

Number of pumps

MVI

Pump series

8

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

04

Number of single-pump stages

CC

Control unit; CC = Comfort-Controller

Technical data

  • Mains connection 3~230 V/400 V ± 10%, 50 Hz
  • Max. fluid temperature 50 °C (70 °C optional)
  • Operating pressure 16 bar (25 bar optional)
  • Inlet pressure 10 bar
  • Nominal connection diameters on discharge side R 1½ - DN 200
  • Nominal connection diameter on the intake side R 1½" - DN 200
  • Rated speed 2850 rpm
  • Protection class IP 54 (CC control device)
  • 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 water mixtures which do not chemically or mechanically attack the materials used and do not contain either abrasive or fibrous matter
    • Drinking water and domestic hot water
    • Cooling water
    • Fire water

Materials

MVI 1.. to 16..-6

  • Impellers and stage chambers made of 1.4301/1.4404 stainless steel (MVI 16..-6 only in 1.4301)
  • Pump housing made of 1.4301/1.4404 stainless steel
  • Shaft 1.4301/1.4404 stainless steel
  • Gasket EPDM (EP 851) / 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
  • Pump base EN-GJL-250
  • Pipework made of 1.4571 stainless steel

MVI 16.. to 95..

  • Impellers 1.4301/1.4404 stainless steel
  • Stage chambers 1.4301/1.4404 stainless steel
  • Pump housing EN-GJL-250/1.4404
  • Shaft 1.4057/1.4404 stainless steel
  • Gasket EPDM (EP 851) / 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

Description/construction

  • Base frame: galvanised and provided with height-adjustable vibration absorbers for comprehensive insulation against structure-borne noise; other versions on request
  • Pipework: complete 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: 2 to 6 pumps of the MVI 2 to MVI 95 series switched in parallel are used; all pump components in contact with fluid are made of stainless or, starting with MVI 16.., of grey cast iron (cataphoretic-coated) or stainless steel on request
  • Valves: each pump is fitted on the suction and pressure side with a check valve with DVGW approval mark or annular shut-off valves and a pressure-side DVGW-approved non-return valve
  • 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, for testing and inspection purposes, with ball valve, with drain and throughflow fitting according to DIN 4807
  • Pressure sensor: 4 to 20 mA, located on the discharge side for activating the central Comfort Controller
  • Pressure display: suction- and discharge-side pressure gauge (ø 63 mm); additional digital display of discharge pressure in the alphanumeric touchscreen of the Comfort Controller.
  • Switchgear/controller: the system is equipped with a CC Comfort Controller as standard; COR additionally with a frequency converter

Duty chart

Wilo-Comfort CO-/COR-MVI.../CC

Downloads

REACH regulation

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

PDF (581 kB)

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General overview 2019 International version

Article Number 2200591
Edition 2018
Version number 1
Page format 209.9 x 297.0 mm
Number of pages 74

PDF (42 MB)

Shkarko

Wilo-Comfort CO(R) .. MVI .../ .. MVIS .../ .. Helix V .../.. Helix VE ...

Article Number 2535456
Edition 1707
Version number 01
Page format 209.9 x 297.0 mm
Number of pages 1197

PDF (144 MB)

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PDF: Wilo-Comfort CO-/COR-MVI.../CC

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