Wilo-SiBoost Smart Helix VE

Highly efficient water supply unit ready for connection (non self-priming). With 2 to 4 vertically arranged Helix VE series stainless steel high-pressure centrifugal pumps in glanded version switched in parallel; every pump is equipped with an integrated air-cooled frequency converter, incl. Smart Controller SCe

• 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, 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.

• 2-4 pumps per system of the Helix VE 2 to Helix VE 52 series, with IE4-equivalent standard motor and variable auto control with integrated frequency converter for each pump
• Automatic pump control via Smart Controller SCe
• 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
• 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 and pressure gauge, suction side

• Mains connection 3~400 V ± 10%, 50 Hz; 3~380/440 V ±10 %, 60 Hz
• Max. fluid temperature +50 °C (+70 °C optional)
• Max. ambient temperature of 40 °C
• Operating pressure 16 bar (25 bar optional)
• Inlet pressure 10 bar
• Nominal connection diameters on discharge side R 1½ - DN 200
• Nominal connection diameters on inlet side R 1½" - DN 200
• Speed range 1500-3770 rpm
• Protection class: IP 54 (SCe control device)
• Fuse protection on mains side A, 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. System in accordance with DIN 1988 (EN 806)
  • Drinking water and domestic hot water
  • Cooling water
  • Fire water

Helix VE 2 to Helix VE 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 1.4301 stainless steel

Helix VE 22 to Helix VE 52

• Impellers, guide vanes, stage housing made of stainless steel 1.4307
• Pump housing made of cataphoretically coated EN-GJL 250 grey cast iron
• Shaft of stainless steel 1.4057
• 1.4404 shaft protection sleeve
• O-Ring gaskets made of EPDM (FKM gasket on request)
• Pipework made of 1.4301 stainless steel

• Base frame: galvanised steel, with height-adjustable vibration absorbers for comprehensive insulation against structure-borne noise as well as integrated lifting devices; other versions on request
• Pipework: Complete pipework made of stainless steel, suitable for the connection of all conventional piping materials; the pipework is dimensioned according to the overall hydraulic performance of the pressure boosting system
• Pumps: 2 to 4 pumps are used from the series Helix VE 2 to Helix VE 52, switched in parallel. The air-cooled frequency converters mounted on the pump motor enable infinitely variable control between 25 Hz and a maximum of 60 Hz for all pumps of this series. All parts that come in contact with the fluid are made of stainless steel for the Helix VE 2 to Helix VE 16 series or of stainless steel/grey cast iron with cataphoretic coating for the Helix VE 22 to Helix VE 52 series; 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 standard shut-off device with DVGW approval mark and on the pressure side with a DVGW/KTW-approved non-return valve.
• Diaphragm pressure vessel: 8 l/PN 16 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 a shut-off ball cock with drain and throughflow fitting 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 SC
• Pressure indication: pressure gauge (ø 63 mm) arranged on the discharge side; additional digital indication of the discharge pressure in the alphanumeric LC display of the Smart Controller SC
• Control device/controller: The system is equipped with a Smart Controller SC as standard

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

• Mains connection 3~400 V ± 10%, 50 Hz; 3~380/440 V ±10 %, 60 Hz
• Max. fluid temperature +50 °C (+70 °C optional)
• Max. ambient temperature of 40 °C
• Operating pressure 16 bar (25 bar optional)
• Inlet pressure 10 bar
• Nominal connection diameters on discharge side R 1½ - DN 200
• Nominal connection diameters on inlet side R 1½" - DN 200
• Speed range 1500-3770 rpm
• Protection class: IP 54 (SCe control device)
• Fuse protection on mains side A, 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. System in accordance with DIN 1988 (EN 806)
  • Drinking water and domestic hot water
  • Cooling water
  • Fire water

Helix VE 2 to Helix VE 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 1.4301 stainless steel

Helix VE 22 to Helix VE 52

• Impellers, guide vanes, stage housing made of stainless steel 1.4307
• Pump housing made of cataphoretically coated EN-GJL 250 grey cast iron
• Shaft of stainless steel 1.4057
• 1.4404 shaft protection sleeve
• O-Ring gaskets made of EPDM (FKM gasket on request)
• Pipework made of 1.4301 stainless steel

• Base frame: galvanised steel, with height-adjustable vibration absorbers for comprehensive insulation against structure-borne noise as well as integrated lifting devices; other versions on request
• Pipework: Complete pipework made of stainless steel, suitable for the connection of all conventional piping materials; the pipework is dimensioned according to the overall hydraulic performance of the pressure boosting system
• Pumps: 2 to 4 pumps are used from the series Helix VE 2 to Helix VE 52, switched in parallel. The air-cooled frequency converters mounted on the pump motor enable infinitely variable control between 25 Hz and a maximum of 60 Hz for all pumps of this series. All parts that come in contact with the fluid are made of stainless steel for the Helix VE 2 to Helix VE 16 series or of stainless steel/grey cast iron with cataphoretic coating for the Helix VE 22 to Helix VE 52 series; 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 standard shut-off device with DVGW approval mark and on the pressure side with a DVGW/KTW-approved non-return valve.
• Diaphragm pressure vessel: 8 l/PN 16 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 a shut-off ball cock with drain and throughflow fitting 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 SC
• Pressure indication: pressure gauge (ø 63 mm) arranged on the discharge side; additional digital indication of the discharge pressure in the alphanumeric LC display of the Smart Controller SC
• Control device/controller: The system is equipped with a Smart Controller SC as standard

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