SiBoost Smart 3MVISE210
| Hydraulic data | |
|---|---|
| Max. operating pressure p | 16 bar |
| Pipe connection on the discharge side DNd | R 2 |
| Pipe connection on the suction side DNs | R 2 |
| Number of stages | - |
| Number of standby pumps | 1 |
| Number of operating pumps | 2 |
| Flow rate Q | 2 m³/h |
| Min. fluid temperature Tmin | 3 °C |
| Max. fluid temperature Tmax | 50 °C |
| Min. ambient temperature Tmin | 5 °C |
| Max. ambient temperature Tmax | 40 °C |
| Motor data (per motor) | |
|---|---|
| Mains connection | 3~400 V, 50/60 Hz |
| Voltage tolerance | ±10 % |
| Insulation class | F |
| Protection class | IP44 |
| Rated power P2 | 2 kW |
| Rated current IN | 6.5 A |
| Materials | |
|---|---|
| Pump housing | Stainless steel |
| Impeller | Stainless steel |
| Shaft | Stainless steel |
| Gasket material | EPDM |
SiBoost Smart3 MVISE 210
3~400 V ≤7.5 kW
| Product data | |
|---|---|
| Brand | Wilo |
| Product description | SiBoost Smart 3MVISE210 |
| Article number | 2550751 |
| EAN number | 4048482895642 |
| Colour | Green/black/silver |
| Minimum order quantity | 1 |
| Date of sales availability | 2019-07-01 |
| Packaging | |
|---|---|
| Packaging type | One-way pallet |
| Packaging property | Transport packaging |
| Pieces per pallet | 1 |
| Number per layer | 1 |
| Dimension, weight | |
|---|---|
| Length with packaging | 1300 mm |
| Length L | 1150 mm |
| Height with packaging | 1060 mm |
| Height H | 855 mm |
| Width with packaging | 1050 mm |
| Width W | 740 mm |
| Gross weight, approx. m | 198 kg |
| Net weight, approx. m | 163 kg |
Compact pressure-boosting system according to DIN 1988 and DIN EN 806, for direct or indirect connection. Consisting of non-self-priming, vertically-mounted, stainless steel high-pressure multistage centrifugal pumps in glandless pump versions connected in parallel, for which each pump is fitted with a frequency converter. 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, commercial and administrative buildings, hotels, hospitals, department stores and for industrial systems.
For pumping drinking water, process water, cooling water, firefighting water (apart from fire-fighting systems in accordance with DIN 14462 and with the approval of the local fire protection 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 advantages
- Optimum pump load adjustment due to pressure-variable (pv) control mode and parallel synchronous speed control for higher energy savings
- Up to 20 dB[A] quieter operation than conventional systems with comparable hydraulic output
- Disproportionately large frequency converter control range from 20 Hz to a maximum of 50 Hz
- Maintenance-free pump design without mechanical seals
- High reliability thanks to various protective features including overload protection, dry-running protection and automatic deactivation
- Easy setting and operation with the SCe switchgear thanks to LCD display and green adjustment button
- Drinking water approvals for all components that come in contact with the fluid
- Ready for integration into building automation with the SCe switchgear via standard Modbus RTU
Equipment/function
2 – 4 pumps per system of the MVISE series with glandless motors speed controlled via integrated frequency converters on each pump.
SCe switchgear ensures automatic control of the complete pressure-boosting system.
Complete assembly mounted on galvanised steel, height-adjustable base frame.
All components in contact with fluid are corrosion- resistant.
On the discharge side:
- Shut-off valve at each pump
- Non-return valve at each pump
- Diaphragm pressure vessel 8 l, PN 16
- Pressure sensor 4 ... 20 mA
- Pressure gauge
On the suction side:
- Shut-off valve at each pump
- Pressure sensor 4 ... 20 mA
- Pressure gauge
Smart Controller (SCe) in a sheet metal enclosure, protection class IP54, consisting of an internal control voltage supply unit, microprocessor with Soft PLC, analogue and digital inputs and outputs, for control of electronic pumps with frequency converters.
A working area of 1 m around the system is recommended in order to facilitate the maintenance process.
Operation/display
- LC display (backlit) for display of the operating data, controller parameters, operating statuses of the pumps, error messages and history memory
- Menu navigation with symbols and menu numbers
- LEDs for display of system status (operation/fault)
- Factory-preset parameters for easy commissioning/start-up
- Setting of operating parameters and acknowledgement of fault messages using Green Button Technology
- Lockable main switch
- Operation with/without standby pump selectable by customer service
- Elapsed time indicator for each pump and for entire system
- Switching cycle counter for each pump and for entire system
- Fault memory for the last 16 faults
Control
- Fully automatic control for 1 – 4 frequency-controlled pumps by means of setpoint/actual value comparison
- Setpoint changeover: Second setpoint can be activated by contact
- Automatic, load-sensitive cut-in of 1 to n peak-load pump(s) depending on the control variable “pressure constant” (p-c) or “pressure variable” (p-v)
- 2 parameter sets selectable, easy menu (setpoint & control mode) or expert menu (operation and control parameters)
- Operating mode of the pumps freely selectable (manual, off, automatic)
- Automatic, configurable pump cycling
- Standard setting: Impulse - The base-load pump is cycled at each new demand, regardless of operating hours
- Alternatively: Pump cycling dependent on operating hours, cycling of the base-load pump after the specified operating hours
- Automatic, configurable pump test run (pump kick)
- Can be activated/deactivated
- Time between two pump test runs is freely programmable
- Disabling times can be programmed as desired
- Speed can be adjusted as desired
Monitoring
- Actual value of the system is output via a 0 – 10 volt analogue signal for external measurement/display applications, 10 volt depending on the sensor range value
- 4 – 20 mA sensor signal (conductivity test of the sensor cable) for control variable actual value
- The pump mains power feed is protected via the circuit breaker
- Automatic switchover to standby pump in the event of an operating pump fault
- Monitoring of maximum and minimum system values with adjustable time delays and limits
- Zero-flow test for switching off the system when no water is being drawn off (adjustable parameters)
- Pipe filling function for filling empty pipes (initial filling of the consumer network)
- Protection against low water level through standard 4..20 mA pressure sensor on the suction side
- Protection against low water level via switching contact e.g. for float switch
- Automatic shutdown of pumps if fault occurs or operation at preset emergency operation speed
Interfaces
- Potential-free contacts for SBM/SSM collective run and collective fault signals
- Logic reversal can be applied to SBM and SSM
- Contacts for external on/off, low water and second setpoint
- External on/off via contact for deactivation of the system's automatic mode
Optional accessories (factory installation or retrofitting after technical checks)
- Individual operation/fault message
- Signal converter for 0/2 – 10 V to 0/4 – 20 mA
- Communication module GSM (SC)
- Internet-based WiloCare remote maintenance
Recommended accessories (to be ordered separately)
- Flexible connection pipes or compensators
- Threaded caps for systems with threaded joint tubing
Bus systems (optional)
- LON bus, Modbus TCP, BACnet MSTP, BACnet IP
Standards followed
- Specifications for drinking water installations (TRWI) DIN 1988 (EN 806)
- Diaphragm pressure vessel/diaphragm expansion tank DIN 4807
- Electronic equipment for use in power installations, EN 50178
- Electrical Equipment of Machines EN 60204-1
- Safety of household and similar electrical devices EN 60335-1
- Low-voltage switchgear and controlgear assemblies EN 60439-1/61439-1
- EMC – Interference immunity for industrial environments EN 61000-6-2
- EMC – Interference emission for residential, commercial and light-industrial environments (EN 61000-6-3)
| Operating Data | |
|---|---|
| Number of pumps | 3 |
| Fluid temperature T | 3 °C |
| Ambient temperature T | 5 °C |
| Maximum operating pressure PN | 16 bar |
| Maximum inlet pressure p inl | 10 bar |
| Motor data | |
|---|---|
| Mains connection | 3~400 V, 50/60 Hz |
| Rated power P2 | 2 kW |
| Rated current IN | 6.5 A |
| Rated speed n | 2900 1/min |
| Insulation class | F |
| Protection class motor | IP44 |
| Protection class switchgear | IP54 |
| Materials | |
|---|---|
| Pump housing | Stainless steel |
| Impeller | Stainless steel |
| Shaft | Stainless steel |
| Gasket material | EPDM |
| Pipework material | Stainless steel |
| Installation dimensions | |
|---|---|
| Pipe connection on the suction side DNs | R 2 |
| Pipe connection on the discharge side DNd | R 2 |
| Ordering information | |
|---|---|
| Brand | Wilo |
| Product description | SiBoost Smart 3MVISE210 |
| Net weight, approx. m | 163 kg |
| Article number | 2550751 |
Installation and operating instructions
Wilo-Control SC-Booster (SC, SC-FC, SCe)
| Article Number | 2535460 |
| Edition | 1809 |
| Number of pages | 1795 |
| Language | ar, bg, cs, da, de, el, en, es, et, fi, fr, hr, hu, it, lt, lv, nl, no, pl, pt, ro, ru, sk, sl, sr, sv, tr, uk, zh |
PDF (44 MB)Wilo-MVISE-3G
| Article Number | 4230106 |
| Edition | 2020-04 |
| Number of pages | 258 |
| Language | de, en, es, fr, nl, ru, tr, uk |
PDF (15 MB)Wilo-SiBoost Smart..., Wilo-SiBoost2.0 Smart...
| Article Number | 2535457 |
| Edition | 2024-05 |
| Number of pages | 64 |
| Language | en |
PDF (25 MB)Certification booklet
Wilo-SiBoost Smart ...
| Article Number | 2550649 |
| Edition | 1905 |
| Number of pages | 16 |
| Language | bg, cs, da, de, el, en, es, et, fi, fr, hr, hu, it, lt, lv, nl, no, pl, pt, ro, ru, sk, sl, sr, sv, tr, uk |
PDF (6 MB)Wilo-Control SC-Booster (SC, SC-FC, SCe)
| Article Number | 2550530 |
| Edition | 1811 |
| Number of pages | 8 |
| Language | bg, cs, da, de, el, en, es, et, fi, fr, hr, hu, it, lt, lv, nl, no, pl, pt, ro, ru, sk, sl, sr, sv, tr, uk |
PDF (2 MB)Group Statement
Group Statement REACH
| Edition | 2021-05 |
| Number of pages | 5 |
| Language | language neutral |
PDF (327 KB)Direct connection multi-pumps controlled (11) | |||
Suitable for compensators anddistributor/collector pipe according to DIN EN 1092-1, PN 16, thread according to DIN 2999. Note Stainless steel flanges are preferable for drinking water applications | |||
Suitable for compensators anddistributor/collector pipe according to DIN EN 1092-1, PN 16, thread according to DIN 2999. Note Stainless steel flanges are preferable for drinking water applications | |||
For sealing distributor/collector pipe according to DIN EN 1092-1, thread according to EN 10226. | |||
Compensator with loose flanges and sound-absorbing bedded external bracing, for lateral expansion and for reducing vibrations. The flanges have no direct contact with the fluid. | |||
The flexible connecting line ensures that the pipes of the pressure boosting system are connected stress-free to the supply line. | |||
Pressure reducer for the prevention of pressure damage and for reducing water consumption. In addition, irritating flow noise is minimised due to p = const. control. Version
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Pressure reducer R ¾ | 2531893 | ||
Pressure reducer for the prevention of pressure damage and for reducing water consumption. In addition, irritating flow noise is minimised due to p = const. control. Version
| |||
Pressure reducer R 1 | 2531894 | ||
Pressure reducer for the prevention of pressure damage and for reducing water consumption. In addition, irritating flow noise is minimised due to p = const. control. Version
| |||
Pressure reducer R 1¼ | 2531895 | ||
Pressure reducer for the prevention of pressure damage and for reducing water consumption. In addition, irritating flow noise is minimised due to p = const. control. Version
| |||
Pressure reducer R 1½ | 2531896 | ||
Pressure reducer for the prevention of pressure damage and for reducing water consumption. In addition, irritating flow noise is minimised due to p = const. control. Version
| |||
Pressure reducer for the prevention of pressure damage and for reducing water consumption. In addition, irritating flow noise is minimised due to p = const. control. Version
| |||
Indirect connection multi-pumps controlled (5) | |||
Suitable for compensators anddistributor/collector pipe according to DIN EN 1092-1, PN 16, thread according to DIN 2999. Note Stainless steel flanges are preferable for drinking water applications | |||
Suitable for compensators anddistributor/collector pipe according to DIN EN 1092-1, PN 16, thread according to DIN 2999. Note Stainless steel flanges are preferable for drinking water applications | |||
For sealing distributor/collector pipe according to DIN EN 1092-1, thread according to EN 10226. | |||
Compensator with loose flanges and sound-absorbing bedded external bracing, for lateral expansion and for reducing vibrations. The flanges have no direct contact with the fluid. | |||
The flexible connecting line ensures that the pipes of the pressure boosting system are connected stress-free to the supply line. | |||
Fittings (3) | |||
Safety valve for protecting the system against overpressure when water-supply units and pressure boosting systems are utilised. Installation in accordance with EN 806 and local regulations (e.g. in Germany in accordance with DIN 1988). Note Safety valves are delivered with factory settings only. Response pressure: 10 % over factory-set pressure | |||
Full-stroke safety valve R 1, PN 16 | 2007146 | ||
Safety valve for protecting the system against overpressure when water-supply units and pressure boosting systems are utilised. Installation in accordance with EN 806 and local regulations (e.g. in Germany in accordance with DIN 1988). Note Safety valves are delivered with factory settings only. Response pressure: 10 % over factory-set pressure | |||
Safety valve for protecting the system against overpressure when water-supply units and pressure boosting systems are utilised. Installation in accordance with EN 806 and local regulations (e.g. in Germany in accordance with DIN 1988). Note Safety valves are delivered with factory settings only. Response pressure: 10 % over factory-set pressure | |||
Pipe installation (6) | |||
The flexible connecting line ensures that the pipes of the pressure boosting system are connected stress-free to the supply line. | |||
Compensator with loose flanges and sound-absorbing bedded external bracing, for lateral expansion and for reducing vibrations. The flanges have no direct contact with the fluid. | |||
For sealing distributor/collector pipe according to DIN EN 1092-1, thread according to EN 10226. | |||
For sealing distributor/collector pipe according to DIN EN 1092-1, thread according to EN 10226. | |||
Suitable for compensators anddistributor/collector pipe according to DIN EN 1092-1, PN 16, thread according to DIN 2999. Note Stainless steel flanges are preferable for drinking water applications | |||
Suitable for compensators anddistributor/collector pipe according to DIN EN 1092-1, PN 16, thread according to DIN 2999. Note Stainless steel flanges are preferable for drinking water applications | |||
Pressure control (6) | |||
Pressure reducer for the prevention of pressure damage and for reducing water consumption. In addition, irritating flow noise is minimised due to p = const. control. Version
| |||
Pressure reducer R ¾ | 2531893 | ||
Pressure reducer for the prevention of pressure damage and for reducing water consumption. In addition, irritating flow noise is minimised due to p = const. control. Version
| |||
Pressure reducer R 1 | 2531894 | ||
Pressure reducer for the prevention of pressure damage and for reducing water consumption. In addition, irritating flow noise is minimised due to p = const. control. Version
| |||
Pressure reducer R 1¼ | 2531895 | ||
Pressure reducer for the prevention of pressure damage and for reducing water consumption. In addition, irritating flow noise is minimised due to p = const. control. Version
| |||
Pressure reducer R 1½ | 2531896 | ||
Pressure reducer for the prevention of pressure damage and for reducing water consumption. In addition, irritating flow noise is minimised due to p = const. control. Version
| |||
Pressure reducer for the prevention of pressure damage and for reducing water consumption. In addition, irritating flow noise is minimised due to p = const. control. Version
| |||
Pump control/accessories (9) | |||
Dualband-Rundstrahlantenne mit FME-Buchse zur Montage am Schaltschrank. Zubehör für die Schaltgeräte Control SC.../SCe.../CC.../CCe... in Verbindung mit GSM/GPRS-Modul. | |||
D-network tri-band antenna 10 m cable | 2533863 | ||
Triband-Rundstrahlantenne mit Montagebügel und FME-Buchse zur Montage am Schaltschrank. Zubehör für die Schaltgeräte Control SC.../SCe.../CC.../CCe... in Verbindung mit GSM/GPRS-Modul. | |||
D-network tri-band antenna 15 m cable | 2533864 | ||
Triband-Rundstrahlantenne mit Montagebügel und FME-Buchse zur Montage am Schaltschrank. Zubehör für die Schaltgeräte Control SC.../SCe.../CC.../CCe... in Verbindung mit GSM/GPRS-Modul. | |||
Koaxialer Steckverbinder SMA-Stecker auf FME-Stecker in kompakten Bauform mit Schraubverschluss. Einsetzbar bis 2 GHz, der Wellenwiderstand beträgt 50 Ω. | |||
Additional module for equipping the switchgear series Wilo-SC/SCe-HVAC, SC/SCe-Booster and SC-L for dialling into and communicating in GSM mobile phone networks. The GSM module represents an extension of the SC/SCe system for the transfer of status and fault signals of a SC/SCe system via SMS (Short Message Service). Up to 2 recipients can be set up and prioritised who are to receive a fault signal via SMS in the event of a system failure. The settings with respect to the SMS functions can be made directly on the display of the SC/SCe system. Version: Insulant housing for installation in a switch cabinet, fixation by means of the supplied accessories kit (adapter plate). A SIM card and an antenna are required for the operation of the modem which are not included in the scope of delivery. Antennas with various cable lengths of 2.5 m, 10 m, 15 m are available as additional accessories. SIM cards are available from various mobile telephone providers. The module is installed in the switchgear by the manufacturer when the order for the system is received. Retroactive installation of the communication module is possible. The installation must be performed by customer service, as a software update of the SC/SCe system is also required. Scope of delivery
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The SC-OPTION LON communications module represents an extension to the integration of an SC/SCe system as a participant in the already existing LON building management system. Certain parameters can be written and read via LON, e.g. switchgear data, status and mode of the pumps, current actual value, setpoints, current speed of the pumps, recorded temperatures, operating hours, switching cycles, etc. The module is installed in the switchgear by the manufacturer when the order for the system is received. Retroactive installation of the LON module in the switchgear is possible. Installation by Wilo Customer Service is recommended. Scope of delivery
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For connecting Wilo-Smart-SC/SCe-HVAC systems, Wilo-Smart-SC/SCe-Booster and Wilo-SiBoost Smart with BACnet-MSTP networks. The SC-OPTION BACnet MSTP communications module represents a software extension for the integration of an SC/SCe system as a slave in the already existing BACnet building management system. The connection of the BACnet MS/TP module to the RS485 bus proceeds via Twisted-Pair cabling/wiring. BACnet (Building Automation and Control Networks) ensures interoperability between devices from different manufacturers. Certain parameters can be written and read via BACnet MSTP, e.g. switchgear data, status and mode of the pumps, current actual value, setpoints, current speed of the pumps, recorded temperatures, operating hours, switching cycles, etc. The module is installed in the switchgear by the manufacturer when the order for the system is received. A retroactive activation of the "BACnet MSTP" function in the switchgear is possible. Execution by Wilo Customer Service is recommended. Scope of delivery
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For connecting Wilo-Smart-SC/SCe-HVAC systems, Wilo-Smart-SC/SCe booster with BACnet IP networks. The communication module SC-OPTION BACnet IP is a hardware extension and optionally a software extension to connect an SC/SCe system as a participant in an existing BACnet IP building automation. The connection of the BACnet IP module to the RS485 bus takes place via twisted-pair cabling. BACnet (Building Automation and Control Networks) IP ensures interoperability between devices from different manufacturers. With BACnet IP, different parameters can be read and written, e.g. switchgear data, pump status and modes, actual values, setpoints, the current speed of the pump, measured temperatures, operating hours, switching cycles, etc. The module is installed in the switchgear by the manufacturer when the order for the system is received. Only Wilo customer service can perform a subsequent activation and installation of the BACnet IP function in the switchgear. Scope of delivery
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Relay output module for outputting individual operation and fault signals for pumps 1 to 4, frequency converter and low water fault signal. Suitable for the use in connection with SC/SCe-HVAC system and SC/SCe booster. Scope of delivery
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With Wilo as your partner, you can not only be sure of choosing high-quality product solutions, but also of benefiting from a comprehensive, worry-free package of well thought-out services. We collaborate to develop a service concept tailored to your individual needs; with our expertise and personal consultancy, we make sure that the operation of your systems is as energy-efficient, reliable and economical as possible. All the while our competent Wilo service technicians are ready to assist you with fast, reliable and on-time support.
Recommended services | |||
 Maintenance | Maintenance BASIC Booster Set 3-4 pumps | 2219535 | |
In order to ensure and guarantee operational reliability of the pumps/systems, it is recommended to have regular and DIN-compliant inspections and maintenance carried out by the works' own WILO SE Customer Service Department. The tasks are carried out in accordance with DIN 31051 / DIN EN 13306. The tasks comprise the following points:
Scheduling and organisation is performed by WILO. Other individual maintenance offers are possible on request. | |||
Maintenance COMFORT Booster Set 3-4 pumps | 2219497 | ||
In order to ensure and guarantee operational reliability of the pumps/systems, it is recommended to have regular and DIN-compliant inspections and maintenance carried out by the works' own WILO SE Customer Service Department. The tasks are carried out in accordance with DIN 31051 / DIN EN 13306. The tasks comprise the following points:
Scheduling and organisation is performed by WILO. Other individual maintenance offers are possible on request. | |||
Maintenance PREMIUM Booster Set 3-4 pumps | 2219550 | ||
In order to ensure and guarantee operational reliability of the pumps/systems, it is recommended to have regular and DIN-compliant inspections and maintenance carried out by the works' own WILO SE Customer Service Department. The tasks are carried out in accordance with DIN 31051 / DIN EN 13306. The tasks comprise the following points:
Scheduling and organisation is performed by WILO. Other individual maintenance offers are possible on request. | |||
 Commissioning | Commissioning Booster Set 3-4 pumps | 2219395 | |
For perfect functioning of the pump(s) / system(s), it is recommended to have the commissioning carried out by the works' own WILO SE Customer Service Department. Optimum setting and efficient operation of the system are ensured as a result. Commissioning is comprised of the following points:
The price for commissioning only applies to system(s) which have been installed in accordance with the installation and operating instructions and state-of-the-art technology. No costs for any materials which may be required are included. | |||
More suitable services | |||
 Service packages | Service Package L Booster Set 3-4 pumps | 2219705 | |
The Wilo service offers predefined service packages in three sizes to make it easier to combine individual services. The Wilo-Service package L includes:
Optional add-on services:
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Service Package M Booster Set 3-4 pumps | 2219676 | ||
The Wilo service offers predefined service packages in three sizes to make it easier to combine individual services. The Wilo-Service package M includes:
Optional add-on services:
| |||
Service Package S Booster Set 3-4 pumps | 2219647 | ||
The Wilo service offers predefined service packages in three sizes to make it easier to combine individual services. The Wilo-Service package S includes:
Optional add-on services:
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 Extended Warranty | Extended Warranty Booster Set 3-4 pumps | 2219595 | |
In combination of a new pump or system Wilo offers an extended warranty of up to five years in combination with commissioning and maintenance by the Wilo Service. Extended warranty includes:
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 Supervision | Supervision Booster Set 3-4 pumps | 2219329 | |
Wilo supports during the concept phase to ensure quality work and cost efficiency. Our competent and qualified Wilo Service will support you with recommendations and technical advice throughout the entire project. Supervision includes:
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 Installation | Installation Booster Set 3-4 pumps | 2219364 | |
The Wilo service offers installation of our pumps or pumping systems. We offer an end-to-end process from gathering information on site to installing our product in the overall plant. An optimal installation set-up and the interaction of various individual factors lay the foundation for long-term operational safety. Installation includes:
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 System Optimisation | System Optimisation Booster Set 3-4 pump | 2219259 | |
The Wilo Service offers proactive system optimisation by optimising settings and doing minor adjustments to ensure operational reliability. System Optimisation includes among others:
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 Energy Solutions | Energy Solutions Booster Set 3-4 pumps | 2219294 | |
Wilo Service offers a proactive support to point out possible energy savings. Our service creates an overview of all installed assets to show how the energy consumption of pumps or systems can be reduced. We offer targeted consultancy and analysis, including the involvement of subsidies as well as comprehensive support around the changeover to high-efficiency technologies. Wilo-Energy solution includes:
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 Repair | Repair Booster Set 3-4 pumps | 2219618 | |
Wilo Service draws on their competence and experience while consulting on site to decide whether the pump can actually be repaired on site or has to be sent in for a factory repair. Wilo also provides spare parts or a replacement pump to restore the operational reliability of the system. Repair includes:
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