Wilo-Comfort CO-/COR-Helix V.../CC

Series description

Special features/product advantages

  • Heavy-duty system in accordance with DIN 1988 (EN 806)
  • High-efficiency pump hydraulics
  • Pressure-loss optimised entire system
  • 2 to 6 vertical Helix V series stainless steel high-pressure multistage centrifugal pumps switched in parallel
  • Comfort CC control / regulation unit with extended functions, microcomputer and touchscreen, with or without frequency converter for infinitely variable control of the base-load pump

Design type

Highly efficient, ready for connection water-supply unit (non self-priming) with 2 to 6 vertically arranged glanded stainless steel high-pressure multistage centrifugal pumps from the Helix V series switched in parallel, including Comfort Controller CC (available with and without frequency converter)

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 per system of the Helix V 4 to Helix V 52 series with IE2 standard motor, including 7.5 kW and larger IE3 standard motor (optional for smaller motor power)
  • Automatic pump control via Comfort Controller CC. The COR systems are additionally equipped with a frequency converter in the switch cabinet.
  • Parts that come in contact with the fluid are corrosion-resistant
  • Base frame made of galvanised steel, with height-adjustable vibration absorbers for insulation against structure-borne noise
  • Pipework made of 1.4571 stainless steel
  • Shut-off valve on the suction and pressure sides of each pump
  • Non-return valve on the pressure side of each pump
  • Diaphragm pressure vessel 8 l, PN16, pressure side
  • Pressure sensor, pressure side
  • Pressure gauge, pressure side
  • Optional low-water cut-out switchgear with pressure gauge, suction 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-COR-4 Helix V 2203/1/K/CC

CO

Compact pressure boosting system

R

Control of the respective base-load pump via frequency converter in the switchgear

4

Number of pumps

Helix V

Pump series

22

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

03

Number of single-pump stages

1

Number of trimmed impellers of a pump

K

With cartridge mechanical seal

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

Helix V 4 to Helix V 16

  • Impellers, guide vanes, stage housing made of stainless steel 1.4307
  • Pump housing of stainless steel 1.4301
  • Shaft of stainless steel 1.4057
  • 1.4404 shaft protection sleeve
  • O-Ring gaskets made of EPDM (FKM gasket on request)
  • Pipework made of 1.4571 stainless steel

Helix V 22 to Helix V 52

  • Impellers, guide vanes, stage housing made of stainless steel 1.4307
  • Pump housing of stainless steel 1.4308
  • Shaft of stainless steel 1.4057
  • 1.4404 shaft protection sleeve
  • O-Ring gaskets made of EPDM (FKM gasket on request)
  • Pipework made of 1.4571 stainless steel

Description/construction

  • Base frame: galvanised steel, 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; the pipework is dimensioned according to the overall hydraulic performance of the pressure boosting system
  • Pumps: 2 to 6 pumps switched in parallel of the Helix V 4 to Helix V 52 series; all parts which come into contact with the fluid are made of stainless steel; other versions on request. KTW/WRAS/ACS approval for all parts that come in contact with the fluid
  • Valves: each pump is fitted on the suction and pressure side with a shut-off valve or a shut-off flap with DVGW approval mark and on the pressure side with a DVGW/KTW-approved non-return valve
  • Diaphragm pressure vessel: 8 l/PN16 arranged on the discharge side with a diaphragm made of butyl rubber, with DVGW/KTW approval, completely safe in accordance with food safety laws, for testing and inspection purposes, with drain and throughflow valve with DVGW/KTW approval in accordance with DIN 4807
  • Pressure sensor: 4 to 20 mA, located on the discharge side for controlling the central Comfort Controller CC
  • Pressure indication: pressure gauge (∅ 63 mm) arranged on the discharge side; additional digital indication of the discharge pressure on the alphanumeric touchscreen on the Comfort Controller
  • Control device/controller; The system is equipped with a Comfort Controller CC as standard; COR additionally with a frequency converter

Duty chart

Comfort CO(R)

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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