Wilo-RAIN1 is a device for using rainwater to water devices such as toilet tanks or garden irrigation systems. Thanks to its compact, standardized design in accordance with EN 1717 and DIN 1989 and numerous hydraulic connection options, installation or replacement is easier and faster. In addition, comfortable and reliable operation is provided by an intuitive interface combined with numerous intelligent features, such as self-defense programs.
Advantages:
- Easy installation thanks to a ready-to-connect system, compact design and a variety of hydraulic connections;
- Easy operation and easy setup thanks to an intuitive interface and many intelligent functions;
- High reliability thanks to built-in self-protection programs;
- Hygiene is provided by the check valve and tank in accordance with DIN 1989 and EN 1717;
A ready-to-connect module with a compact design and consists of the following components::
- Self-priming centrifugal pump HiMulti 3 P, mounted on the main frame with vibration damper;
- 11L fresh water filling tank with float valve;
- 3-way valve;
- Connection on the discharge side, RP 1"hose;
- Suction side connection, RP 1"hose;
- Connection to the city water supply network R¾";
- 1.5 m mains cable and plug;
- Float switch with 20 m cable for monitoring the rainwater level in the tank;
- Potential-free contact is available for additional external alarm or fault indication;
- Relay for additional submersible pump (tank pump);
- Electronic control unit with integrated zero flow sensor and analog pressure sensor on the exhaust side;
- User interface with buttons, 7-segment display and LEDs.
Materials: pump body made of technopolymer; impellers and step shell made of 30% GF noryl; pump cover and shaft made of stainless steel; ceramic/carbon mechanical seal.
Main functions: fully automatic use of rainwater; operation and fault alarm; dry running protection of the pump; self-priming support; automatic replacement of water in the tank; constant display of the tank filling level, system pressure on the discharge side, operating status of the control interface.
Rainwater filling level monitoring with Rotary flow switch; current supply pressure; pump dry running protection; sensor cable integrity check; pump supply voltage protection with Fuse; 3-way valve for switching between rainwater and urban water supply.