Water-supply unit for domestic water supply in the private sector for fluids with a max. sand content of 50 g/m³ and a maximum immersion depth of 200 m, suitable for vertical or horizontal installation. Multistage submersible pump with radial impellers in sectional design. Integrated non-return valve. All parts that come in contact with the fluid are made of corrosion-free materials. Corrosion-free AC motor for direct starting. Sealed and hermetically cast motor with enamel-insulated winding, resin-impregnated, self-lubricating bearing, with water-glycol filling. The motor is cooled by the pumped fluid. Vertical installation is possible with or without cooling jacket. Horizontal installation must be performed in conjunction with a cooling jacket.
scope of delivery:
– Pump
– 30 m connecting cable approved for drinking water (cross-section: 4×1.5 mm2)
– Switchbox with capacitor, thermal motor protection and On/Off switch
– Wilo pressure switching 0–18 bar, including 18 l diaphragm expansion tank, pressure gauge, shut-off device and pressure switch
– 30 m holding/lowering cable
– Assembly parts: T-connector, R 1¼ R 1 reducer, 8x cable ties
Operating Data
Fluid media: Water 100 %
Fluid concentration: 100.00 %
Fluid temperature: 20.00 °C
Requested flow:
Requested head:
Max. delivery head: 93.00 m
Unit
Minimum efficiency index (MEI): ≥ 0.7
Pipe connection on the discharge side: Rp 1¼, PN 10/16/25/40
Maximum operating pressure: 10.2 bar
Max. sand content: 50 g/m3
Protection class motor: IP68
Max. immersion depth: 200 m
Min. fluid temperature: 3 °C
Max. fluid temperature: 35 °C
Net weight, approx.: 15.3 kg
Max. diameter: 98 mm
Motor data
Motor design: Submersible motor
Mains connection: 1~230V/50 Hz
Rated power: 1.1 kW
Rated speed: 2,869 1/min
Rated current: 7.8 A
Activation type: Direct On Line (DOL)
Max. switching frequency: 20 1/h
Motor diameter: 98 mm
Min. flow rate at the motor: 0.08 m/s
Cable
Connection cable length: 30 m
Cable cross-section: 4G1,5
Materials
Pump housing: 1.4301
Motor housing: 1.4301
Shaft: 1.4104
Impeller: PPE
Ordering information
Net weight, approx.: 15.3 kg
Brand: Wilo
Product description: Sub TWU 4.04-14-EM-C-PnP/DS
Article number: 6049390
