CO-1 Helix V 406/CE+

Data sheet

Hydraulic data
  • Maximum inlet pressure p inl
    10 bar
  • Max. operating pressure p
    16 bar
  • Pipe connection on the pressure side DNd
    R 1¼
  • Pipe connection on the suction side DNs
    Rp 1¼
  • Number of stages
    6
  • Number of standby pumps
    0
  • Number of operating pumps
    1
  • System output without standby pump Q
    6.5 m³/h
  • Min. fluid temperature T
    3 °C
  • Max. fluid temperature T
    50 °C
  • Min. ambient temperature T
    5 °C
  • Max. ambient temperature T
    40 °C
Motor data
  • Mains connection
    3~400 V, 50 Hz
  • Voltage tolerance
    ±10 %
  • Rated power P2
    0.75 kW
  • Rated current IN
    1.60 A
  • Rated speed n
    2900 rpm
  • Insulation class
    F
  • Protection class
    IP55
  • Motor efficiency ηM 50%
    76.7
  • Motor efficiency ηM 75%
    80.3
  • Motor efficiency ηM 100%
    80.7
Materials
  • Pump housing
    1.4301, X5CrNi18-10
  • Impeller
    1.4307, X2CrNi18-9
  • Shaft
    1.4301, X5CrNi18-10
  • Mechanical seal
    Q1BE3GG
  • Gasket material
    EPDM
  • Pipework material
    1.4307, X2CrNi18-9
Information for order placements
  • Net weight, approx. m
    54 kg
  • Brand
    Wilo
  • Product description
    CO-1 Helix V 406/CE+
  • Article number
    2536507

Tender text

Compact pressure boosting system, for direct or indirect connection. Consisting of a non self-priming, vertical stainless steel high-pressure multistage centrifugal pump in glanded version. Ready for connection with stainless steel pipework, mounted on a base frame, including control device with all necessary measurement and adjustment equipment.

For fully automatic water supply and pressure boosting in residential­, office­ and administrative buildings, hotels, hospitals, department stores (systems with a standby pump are to be provided for this purpose within the scope of DIN 1988 and DIN EN 806) as well as in industrial systems.

For pumping drinking water, 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.

Special features/product benefits

  • WRAS/ KTW/ ACS approval of the pump for all parts that come in contact with the fluid (EPDM version)
  • High-efficiency pump hydraulics of the Helix V series in conjunction with IE2 IEC standard motors, including 7.5 kW and larger IE3 standard motor (optional for smaller motor power)
  • Bidirectional mechanical seals in the pumps for easy maintenance
  • Flexible lantern design permits direct access to the mechanical seal
  • The spacer coupling enables the mechanical seal to be replaced without dismantling the motor (from 7.5 kW)
  • Hydraulics of entire system are pressure-loss optimised.
  • Parts that come in contact with the fluid are corrosion-resistant
  • Fully electronic Economy controller (CE+) with microprocessor and LEDs to indicate the system status, analogue and digital inputs and outputs
  • Factory inspection and default setting at optimum operating range (incl. acceptance test certificate based on EN10204 - 3.1)

Equipment/function

  • Stainless steel high-pressure multistage centrifugal pump of the Helix V series
  • Base frame made of electrolytically galvanised steel, with height-adjustable vibration absorbers for insulation against structure-borne noise
  • Shut-off valve on the pressure side
  • Non-return valve on the pressure side
  • 8 litre diaphragm pressure vessel, PN16 including throughflow fitting to DIN 4807, pressure side
  • Pressure sensor (4-20 mA), pressure side
  • Pressure gauge, pressure side
  • Automatic pump control by means of a fully electronic

Economy Controller (CE+) in a light grey polycarbonate enclosure (direct start) or sheet metal enclosure painted RAL 7035 (star-delta starting), protection class IP 54, consisting of an internal power supply unit, microprocessor, analogue and digital inputs and outputs

Operation/ display

  • Fully electronic Economy controller (CE+) consisting of an internal power supply unit, with microprocessor and LEDs to indicate the system status, analogue and digital inputs and outputs
  • Configuration of operating parameters via potentiometer
  • Configuration of pump operating mode and acknowledgement of fault signals via H-0-A switch
  • LED display (3x7 segments, alphanumeric) to indicate the set pressure, controller parameters and error messages
  • LEDs for display of the system status (mains voltage/operation/fault/low water)
  • Lockable main switch

Control

  • Fully automatic control for a fixed speed pumps by means of setpoint/actual value comparison
  • 4-20mA sensor signal (with conductivity test) for control variable actual value
  • Operating mode of the pump freely selectable (manual, off, automatic)
  • Automatic pump test run (pump kick):
    • Can be activated by means of DIP switch
    • Time between two pump test runs is six hours
  • Zero-flow cut-off over pressure and time
  • H-0-A (manual-zero-automatic) switch: Preselection of the operating mode of the pump and manual operation in the event of a controller fault Manual (emergency/test mode available at mains power, motor protection available, automatic resetting), 0 (pump switched off – cannot be switched on via the controller) and Auto (pump enabled for automatic mode via the controller)

Monitoring

  • Conductivity test of the sensor cable
  • Phase failure monitoring
  • Motor current monitoring via converter in devices for direct start
  • Protection of the pump mains power feeds in devices for direct starting is provided via circuit breakers; in devices for star-delta starting it is provided via safety fuses and a contactor/motor protection relay combination
  • Monitoring of maximum and minimum system values with adjustable time delays and limits
  • Protection against low water level via contact e.g. for float switch or pressure switch
  • Input for thermal winding contact (WSK) or fault message contact (SSM) of the pump in systems for star-delta starting
  • for pipe burst monitoring

Interfaces

  • Potential-free contact for collective fault signal (SSM)
  • External on/off via contact for deactivation of the system automatic mode (function can be activated via DIP switch)

Recommended accessories (to be ordered separately)

  • Optional WMS low-water cut-out switchgear kit;
  • Flexible connection lines or expansion joints
  • Break tank for system separation
  • Diaphragm pressure vessel

Standards followed

  • Specifications for drinking water installations (TRWI) DIN 1988 (EN806)
  • Diaphragm pressure vessel/ diaphragm expansion tank DIN 4807
  • Electronic Equipment for Use in Power Installations (EN 50178)
  • Electrical Equipment of Machines (EN 60204-1)
  • Household and Similar Electrical Appliances - Safety (EN 60335-1)
  • Low-voltage switchgear combinations EN 60439-1/ 61439-1
  • EMC - Immunity for Industrial Environments (EN 61000-6-2)
  • EMC - Emission Standard for Residential, Commercial and Light-Industrial Environments (EN 61000-6-3)
Operating data
  • Fluid media
    Water
  • Maximum operating pressure PN
    16 bar
  • Maximum inlet pressure p inl
    10 bar
Motor data
  • Mains connection
    3~400 V, 50 Hz
  • Rated power P2
    0.75 kW
  • Rated current IN
    1.60 A
  • Rated speed n
    2900 rpm
  • Insulation class
    F
  • Protection class motor
    IP55
Materials
  • Pump housing
    1.4301, X5CrNi18-10
  • Impeller
    1.4307, X2CrNi18-9
  • Shaft
    1.4301, X5CrNi18-10
  • Shaft seal
    Q1BE3GG
  • Gasket material
    EPDM
  • Pipework material
    1.4307, X2CrNi18-9
Installation dimensions
  • Pipe connection on the suction side DNs
    Rp 1¼
  • Pipe connection on the pressure side DNd
    R 1¼
Information for order placements
  • Brand
    Wilo
  • Product description
    CO-1 Helix V 406/CE+
  • Net weight, approx. m
    54 kg
  • Article number
    2536507

Wiring diagram

3~400 V ≤ 4 kW/10A

3~400 V ≤ 4 kW/10A
3~400 V ≤ 4 kW/10A

Ordering information

Information for order placements
  • Brand
    Wilo
  • Product description
    CO-1 Helix V 406/CE+
  • EAN number
    4048482252919
  • Article number
    2536507
  • Gross weight, approx. m
    79.0 kg
  • Net weight, approx. m
    54 kg
  • Overall length L
    600.0 mm
  • Height without packaging H
    1000 mm
  • Colour
    Green/black/silver
  • Packaging property
    Transport packaging
  • Packaging type
    Europallet
  • Number per layer
    1
  • Width without packaging L
    300.0 mm
  • Minimum order quantity
    1
  • Pieces per pallet
    1

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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PDF: CO-1 Helix V 406/CE+

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