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RAIN1-25 EM | Wilo

RAIN1-25 EM

Article number: 2551469
Technical data
Tender text

Wilo-RAIN1 is a rainwater utilisation system for conserving drinking water, for the water supply of, for example, WC cisterns or for garden irrigation. Its compact and standardised construction in accordance with EN 1717 and DIN 1989 and its numerous hydraulic connection options speed up and simplify every new installation or replacement. In addition, the intuitive interface of the control unit combined with numerous smart functions such as self-protection routines ensure convenient operation and high reliability.

Special features/product benefits

- Drinking water savings

- Easy installation thanks to ready-to-plug system and compact construction with various hydraulic connection options

- Convenient operation and simple setting functions thanks to an intuitive interface and a multitude of functions

- High level of reliability thanks to integrated self-protection routines

- Hygiene safety thanks to non-return valve and break tank in accordance with DIN 1989 and EN 1717

- Easy maintenance with direct access to system components

Equipment/functions

Ready for connection module with compact construction, consisting of:

- HiMulti 3 P self-priming centrifugal pump, mounted on a base frame with vibration absorbers

- 11 l break tank for fresh water replenishment with float valve

- 3-way valve

- Connection on the pressure side, Rp 1" hose

- Connection on the suction side, Rp 1" hose

- Connection for municipal water supply network R ¾"

- 1.5 m mains connection cable and plug

- Float switch with 20 m cable for rainwater level monitoring in the storage tank

- Potential-free contact available for optional external alarm or fault message

- Electronic control device with integrated zero flow detection and analogue pressure sensor on the pressure side

Operation/display

- Operating panel with pushbuttons, 7 segment display and LEDs

- Permanent display for the fill level in the rainwater storage tank, system pressure on the pressure side, operating status of the control interface

Control

Fully automatic control of:

- HiMulti 3 P self-priming centrifugal pump

- Configurable triggering pressure

- Operating modes of the system (manual or automatic)

- 3-way valve switchover between rainwater operation and municipal water supply network

- Level monitoring of the rainwater storage tank

- Dry-running protection of pump

- Self-priming support

- Automatic water replacement break tank

- Operating and fault messages

- Optional external alarm or fault message

- Optional submersible pump (cistern pump)

Monitoring

- Rainwater fill level in storage tank thanks to flow switch

- Current supply pressure

- Dry-running protection of pump

- Continuous monitoring of sensor cables

- Protection of pump mains voltage supply via circuit breaker

Interfaces

- Relay for optional submersible pump

- Potential-free contact available for external alarm or fault message to BMS

Optional accessories

- Cistern pump, a submersible pump can be installed in the rainwater storage to overcome pressure losses due to suction distance being too great (depending on installation).

- External alarm

Materials
Pump housing PA6T/6I-GF40
Shaft Stainless steel
Impeller PPE/PS-GF30
Operating Data
Max. delivery head H 8 m
Min. fluid temperature Tmin 3 °C
Max. fluid temperature Tmax 30 °C
Maximum operating pressure p 8.0 bar
Max. ambient temperature Tmax 40 °C
Motor data
Mains connection 1~230 V, 50 Hz
Rated speed n 2900 1/min
Rated current IN 3.2 A
Protection class motor X4
Insulation class F
Installation dimensions
Overflow connection Ø19-PN0
Pipe connection on the suction side DNs G 1
Pipe connection on the discharge side DNd G 1
Ordering information
Net weight, approx. m 21.5 kg
Brand Wilo
Product description RAIN1-25 EM
Article number 2551469
Documents

Installation and operating instructions

Wilo-RAIN1

Article Number 4232896
Edition 2020-02
Page format 209.9 x 297.0 mm
Number of pages 92
PDF (7 MB)

Certificate REACH

REACH Regulation

Edition 2021-05
Page format 209.9 x 297.0 mm
Number of pages 4
PDF (212 KB)
Services

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.

Read more

Recommended services

Wilo-Live Assistant
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The Wilo-Live Assistant is a technical advisor at your side during pump service. By using the Wilo-Live Assistant, our expert advisers can support you in the boiler or equipment room via video transmission – live and in real time. You use your smartphone to show the installation set-up, while the Wilo expert follows everything on their screen. They can see the components as well as other details and can thus determine where the fault or breakdown originates. We prevent downtime and ensure operational reliability of your pumps and systems!

The Wilo-Live Assistant includes:

  • Interactive live support via video chat
  • Direct contact with an expert
  • Just-in-time solution to ensure maximum operational reliability of your pumps and systems

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Service Packes
Service Package L AF/RAIN
    
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The Wilo service offers predefined service packages in three sizes to make it easier to combine individual services.

The Wilo-Service package L includes:

  • Installation check
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Optional add-on services:

  • System Optimisation
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The Wilo service offers predefined service packages in three sizes to make it easier to combine individual services.

The Wilo-Service package M includes:

  • Installation check
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  • Wilo-Live Assistant

Optional add-on services:

  • System Optimisation
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Service Package S AF/RAIN
    
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The Wilo service offers predefined service packages in three sizes to make it easier to combine individual services.

The Wilo-Service package S includes:

  • Installation check
  • Commissioning
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Optional add-on services:

  • System Optimisation
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Supervision
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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.

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  • Regular on-site visits ensure the quality of information and advice
  • Technical consultancy, also available on site
  • Status report with recommendations after the visit
  • Comprehensive support from a Wilo expert
Installation
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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:

  • Professional inspection
  • Provision of components/materials from Wilo and third-party suppliers
  • Installation of pipelines and electronics
  • Test runs
Commissioning
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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:

  • Commissioning of system(s) according to checklist
  • Parameterisation and setting of switchgear
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  • Functional check of fitted system(s)
  • Practice-oriented operation instruction
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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.

Maintenance
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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:

  • Visual inspection of the pumps/systems
  • Mechanical check
  • Electrical check
  • Testing pressure vessels that may be on hand
  • Review and, if necessary, adjustment of the system parameters
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Scheduling and organisation is performed by WILO. Other individual maintenance offers are possible on request.

Maintenance COMFORT RainSystem AF22/Basic/Comfort/RAIN
    
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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:

  • Visual inspection of the pumps/systems
  • Mechanical check
  • Electrical check
  • Testing and possible filling of pressure vessels that may be on hand
  • Review and, if necessary, adjustment of the system parameters
  • Creating a maintenance protocol
  • Consumable materials are included in the contract price
  • Elimination of payroll and travel expenses for deployments between maintenance intervals (during normal service hours)

Scheduling and organisation is performed by WILO. Other individual maintenance offers are possible on request.

Maintenance PREMIUM RainSystem AF22/Basic/Comfort/RAIN
    
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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:

  • Visual inspection of the pumps/systems
  • Mechanical check
  • Electrical check
  • Testing and possible filling of pressure vessels that may be on hand
  • Checking the system parameters
  • Creating a maintenance protocol
  • Consumable materials are included in the contract price
  • Elimination of payroll and travel expenses for deployments between maintenance intervals (during and outside normal service hours)
  • Software updates
  • Includes wearing parts

Scheduling and organisation is performed by WILO. Other individual maintenance offers are possible on request.

System Optimisation
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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
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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:

  • Detailed assessment of the life cycle costs (LCC analysis)
  • Energy audit including information about energy saving potential
  • Proactive recommendation of replacement options
  • Improving the environmental performance of your system
  • Support in the changeover to Wilo high-efficiency pumps
Repair
Repair AF/RAIN
    
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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:

  • Verification and elimination of error causes by experienced Wilo experts
  • Non-binding estimate for repairs
  • Electric-hydraulic test run to ensure correct data regarding functionality, quality and performance of the pump or system
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  • Use of genuine spare parts only
  • Documentation of the repair in the service report