3.6
Technical data
General features
Supply voltage
Frequency
Power supply cable
Power consumption
Rated current
Protection class
Max. volume flow
Max. delivery head
Max. operating pressure
Permissible pressure on the suction side
Start-up pressure for pump
Pressure at drinking water supply
Ambient temperature
Potential-free contact alarm signal
Negative suction head (geodesic)
Permitted fluid
Motor protection
Permissible fluid temperature
Noise level
Dimensions (L×B×H) [mm] "L×W×H"
Replenishment reservoir volume
Discharge port
Suction connection
Tap water connection
Drinking water outlet at replenishment valve
Replenishment reservoir overflow
Net weight (±10%)
Installation and operating instructions • Wilo-RAIN3 • Ed.05/2024-02
Example: Wilo-RAIN 3-25 EM
5
EM
Wilo-RAIN3
1 – 230 V
50 Hz
3 m length
See rating plate
See rating plate
IPX4
See rating plate
See rating plate
8 bar
Max. -0.8 to +1.2 bar
1.2 bar variable, adjustable
1.2...6.0 bar
+5 °C to +40 °C
Yes
Max. 8 m
pH value 5 to 8
Integrated thermal motor protection contact (PTO)
+5 °C to +30 °C
Up to 56 dB(A) (at a distance of 1 m from the system with a wall made of a
wooden panel in an acoustic room)
642 x 260 x 715
11 litres
G 1" thread, union nut according to ISO 228-1
G 1" thread, union nut according to ISO 228-1
G 3/4" (male thread); maximum 6 bar
3 m³/h at 1.5 bar flow pressure
4 m³/h at 3 bar flow pressure
Install drainage pipe Ø 19-21 mm (to be provided by the customer). In the event
of very large leakage, the water emerges unhindered from an outlet in accord-
ance with EN 1717.
30 kg
Number of impellers
Single-phase
en
49