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Wilo-Sub TWU 4 PnP

Water supply system with submersible pump

  • Use in the private sector:
    • Water supply for washing machines
    • Garden irrigation
    • Circulation
    • Filling
    • Filling stations, for cleaning
    • Toilet flush
  • for pumping water without long fibrous and abrasive particles from storage tanks or boreholes with a minimum diameter of 4" (DN 100) and a maximum immersion depth of up to 200 metres
Special features/Product advantages
  • Easy fitting, installation and operation
  • Reliable motor through high starting torque and free vibration function
  • Thermal lightning and dry-running protection integrated in the motor
Wilo-Sub TWU 4 PnP
Technical data

  • Mains connection 1~230 V, 50 Hz
  • Fluid temperature +3 to + 30 C
  • Immersion depth 200 m max.
  • Sand content max. 50 g/m
  • Water speed min. 8 cm/s
  • Starts per hour, max. 20
  • Protection class IP 58
  • Connections: pressure pipe Rp 1 1/4
Equipment
  • Fully submersible, multi-stage submersible pump
  • Hydraulics with motor mounted, complete
  • Integrated non-return device
  • Nema coupling
  • Cable length 30 m
  • Cable cross-section 4 x 1.5 mm²
  • AC motor
  • Switchbox with capacitor
  • Thermal motor protection
  • On/Off switch
  • Polypropylene safety rope
  • Installation components
  • Pump control system:
    • WiloFluidcontrol for automatic operation (for Sub-I)
    • Wilo pressure switching with diaphragm pressure vessel (for Sub-II)
Materials
  • Stainless steel pump housing
  • Pump stages in plastic (Noryl)
Scope of delivery
  • Pump with 30 m motor cable (motor and hydraulics not installed on delivery)
  • 30 m polypropylene safety rope and stainless steel rope clips
  • Reduction piece R 11/4 R1
  • 8 x cable posts
  • Installation and operating instructions
  • Sub-I system: Wilo Fluidcontrol - automatic flow and pressure monitor with integrated dry-running protection and 2 x clamping ring screwed connections as installation parts
  • Sub-II system: Wilo pressure switching 0-10 bar, including
    • 18 l diaphragm extension vessel
    • Pressure gauge
    • Shut-off device
    • Pressure switch
    • Installation components: T-piece
Wilo-Sub TWU 4 PnP
Dynamic name Name 1-phase / 3-phase Speed Rated power 
TWU 4-0415 PnP/DS Rp 1¼ 1~ 230 V 2850 1/min 1,1 kW 
TWU 4-0410 PnP/FC Rp 1¼ 1~ 230 V 2850 1/min 0,75 kW 
TWU 4-0410 PnP/DS Rp 1¼ 1~ 230 V 2850 1/min 0,75 kW 
TWU 4-0405 PnP/FC Rp 1¼ 1~ 230 V 2850 1/min 0,37 kW 
TWU 4-0405 PnP/DS Rp 1¼ 1~ 230 V 2850 1/min 0,37 kW