Wilo-RAIN3

Your advantages

• Easy installation thanks to ready-to-plug system and compact design with various hydraulic connection options
• Convenient operation and easy setting options thanks to a unique combination of intuitive LCD touch screen operation and a wide range of functions
• High level of reliability thanks to integrated self-protection routines
• Hygiene safety thanks to a break tank with safety device in accordance with DIN 1989 and EN 1717
• Quiet operation in installations close to living space
• Control system can be updated via Wifi for Wilo Service

Rainwater utilisation via touchscreen.

The Wilo-RAIN3 is a rainwater utilisation system in accordance with EN 1717 and DIN 1989 standards. Its compactness and versatile hydraulic connection options mean that initial commissioning or replacement is quick and straightforward.

What’s more, it is also extremely convenient and highly reliable thanks to the intuitive user interface of the touch LCD in connection with various intelligent functions such as the self-protection routine.

Construction

Ready-to-plug single pump rainwater utilisation system

Application

Rainwater utilisation system is designed for applications that do not require drinking water supply such as:

• Toilets flushing tanks
• Washing machines
• Garden irrigation

(Please check that the application complies with local regulations)

Equipment/function

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
• Front and rear cover
• 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
• 4…20 mA filling level sensor with 20 m cable for rainwater level monitoring in the storage tank
• 4…20 mA pressure sensor
• Overflow sensor installed in the break tank
• Acoustic alarm
• Potential-free contact available for optional external alarm or fault message
• Relay for optional submersible pump (rainwater storage tank pump)
• Electronic control device
• Colour LCD touchscreen

Main functions:

• Fully automatic rainwater utilisation
• Operating and fault messages
• Logging of the last 10 faults
• Dry-running protection of pump
• Self-priming support
• Automatic water replacement break tank
• Permanent display for the fill level in the rainwater storage tank, system pressure on the pressure side, operating status of the control interface

Scope of delivery

• Ready-to-connect rainwater utilisation system with fixation material
• Installation and operating instructions
• 4..20mA level sensor
• Sticker ”Do not expose to frost”
• Sticker ”No drinking water”

Type key

Technical data

• Mains connection: 1~230 V, 50 Hz
• Connection cable: 1.5 m length
• Protection class: IPX4
• Motor with integrated thermal motor protection probe
• Max. operating pressure: 8 bar
• Triggering pressure: 1.5 bar
• Max. suction head: 8 m
• Max. fluid temperature: +5 °C to +30 °C
• Ambient temperature: +5 °C to +40 °C
• Break tank volume: 11 litres
• Nominal connection diameters:
• Pressure connection Rp 1" thread, union nut
• Suction connection Rp 1" thread, union nut
• Connection for municipal water supply network at float valve R ¾" (male thread)

Materials

HiMulti 3 P:

• Pump housing in Technopolymer
• Impellers and stage casing made of Noryl 30% GF
• Pump cover and shaft made of stainless steel
• Mechanical seal made of ceramic/carbon

Description/construction

Ready-to-plug single-pump rainwater-supply unit as compact module for residential and light commercial buildings.

The system fulfils the criteria outlined in DIN 1989 and EN 1717.

All parts that come into contact with the fluid are corrosion resistant.