en
Description
30
WILO SE 2019-10
General characteristics
Wilo-RAIN3
Admissible fluid
PH 5 to 8
Motor protection
Integrated thermal protection probe
Admissible fluid temperature
+ 5 °C up to + 30 °C
Noise level
up to 63 dB(A) (measured 1 m away from the installation fixed on a brick wall)
Dimensions (LxWxH)
642 x 260 x 770
Break-tank volume
11 liters
Discharge connection
Rp 1″ threaded swivel-nut
Suction connection
Rp 1″ threaded swivel-nut
City main water connection
R 3/4″ (male)
Break-tank overflow
Install a drainage pipe Ø19-21 (to be provided by the customer). In case of a
very large leakage, an opening allows the water to flow freely according to EN
1717
Net weight (+/- 10 %)
30 kg
5.3
Dimensions
see Fig. 1
5.4
Scope of delivery
The Wilo-RAIN3 package includes:
See Fig. 2
▪ System,
▪ Float switch,
▪ Screw anchors,
▪ Installation and operating instructions,
▪ Stickers “No drinking water” and “Do not allow to freeze/do not expose to frost".
6
Description
6.1
Product description (see Fig. 3-4)
The system features a self-priming centrifugal pump that delivers rainwater sucked
from a storage tank (Fig. 4, rep. 17) to the points of consumption trough installation
pipes (Fig. 4, rep. 16).
The controller (Fig. 3, rep. 2) simultaneously ensures:
▪ The water continuity by switching the three-way valve (Fig. 3, rep. 6) to the mains wa-
ter network when the rainwater level in the rainwater storage tank is too low.
▪ The automatic start and stop of the pump.
▪ The pump’s dry-running protection in case of water shortage.
The 11-liters break-tank (Fig. 3, rep. 3.) is designed according to the EN1717 standard
(AB type disconnection) and ensures a separation of the rainwater from the mains net-
work by means of an air gap.
The break-tank is filled by city main water through a float valve (Fig. 3-4, rep. 4). In
case of failure, the water overflow goes freely to the drain. The hose collecting the
overflow (Fig. 3-4, rep. 9) is not included.
Fig. 3 and 4 legends
Black arrow: suction
White arrow: discharge
1.
Pump set
2.
Controller
3.
Break-tank
4.
Mains water network connection (G3/4″)
5.
Level sensor to be installed inside the rainwater storage tank
6.
Three-way valve
7.
Discharge hose connection (G1″ swivel nut)
8.
Suction hose connection (G1″ swivel nut)
9.
Drainage connection towards wastewater (Ø19)
Summary of Contents for RAIN 3-25 EM
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