Economy MHIE 203N (3~380/400/440 V, FKM)

Data sheet

Hydraulic data
  • Maximum inlet pressure p inl
    6 bar
  • Maximum operating pressure PN
    10 bar
  • Pressure port
    Rp 1
  • Min. fluid temperature Tmin
    -15 °C
  • Max. fluid temperature Tmax
    90 °C
  • Min. ambient temperature Tmin
    -15 °C
  • Max. ambient temperature Tmax
    50 °C
Motor data
  • Mains connection
    3~400 V, 50/60 Hz
  • Voltage tolerance
    400/50:+/-10%_380/60:+/-10%_440/60:+/-6%
  • Rated power P2
    0.75 kW
  • Rated current IN
    3.20 A
  • Rated speed n
    3500 rpm
  • Power consumption P1 max
    960.0 W
  • Activation type
    Soft Start (SS)
  • Min. speed nmin
    1010 rpm
  • Max. speed nmax
    3430 rpm
  • Motor efficiency ηM 50%
    74
  • Motor efficiency ηM 75%
    78
  • Motor efficiency ηM 100%
    79
  • Insulation class
    F
  • Protection class motor
    IP54
Materials
  • Pump housing
    1.4404
  • Impeller
    1.4404
  • Shaft
    1.4404
  • Mechanical seal
    Q1BVGG
  • Gasket material
    FKM
Installation dimensions
  • Pipe connection on the suction side RPS
    Rp 1
  • Pipe connection on the pressure side RPD
    Rp 1
Information for order placements
  • Brand
    Wilo
  • Product description
    Economy MHIE 203N (3~380/400/440 V, FKM)
  • EAN number
    4048482282978
  • Article number
    4171765
  • Net weight, approx. m
    16 kg
  • Gross weight, approx. m
    18.2 kg
  • Length with packaging
    590 mm
  • Height with packaging
    490 mm
  • Width with packaging
    400 mm
  • Packaging property
    Transport packaging
  • Packaging type
    One-way pallet
  • Minimum order quantity
    1

Tender text

Multistage, non-self-priming, horizontal high-pressure centrifugal pump in block design with horizontal suction port and vertical pressure port and built-in, air-cooled frequency converter. The integrated frequency converter enables variable speed, pressure and PID control.

Speed control

  • "Speed control" : Manually with green button or via external signals
  • "Differential pressure, constant" : Pressure control with pressure sensor, setpoint adjustment via green button or via external signals
  • "PID control": other constant control variables (temperature, volume flow, pressure....) with sensor, setpoint adjustment with green button, by means of external signals

The electronic module provides various protective functions. They include overload protection, the detection of low water, mains undervoltage or overvoltage, high ambient temperature, missing phases, blocked pumps and short-circuits. Error messages are issued on the display.

Short-circuit-proof +24 V voltage output with max. contact strength of 30 mA is present on the electronic module. The module has potential-free contacts for SSM, red and green LED for ON/OFF signal.

Input:

  • In1: Input sensor signal 4-20 mA, 0-10 V, 0-20 mA or 2-10 V
  • In2: Input setpoint 0-20 mA, 0-10 V, 4-20 mA or 2-10 V

Output:

  • + 24 V voltage output with max. contact strength of 50 mA
  • Potential-free collective fault and run signals
  • External On/Off mode. IR communication
  • Plug-in position for Wilo IF-Modules Modbus, BACnet, CAN, PLR, LON for connection to the building automation

This pump has a compact design with a continuous motor pump shaft and a bidirectional mechanical seal.

The pump is suitable for water supply and pressure boosting, industrial recirculation systems, process water and cooling water circuits. It can also be used in fire extinguishing systems, washing systems as well as for irrigation.

Special features/product advantages

  • Space-saving, compact block design
  • All hydraulic parts which come into contact with the fluid, such as stage chambers, impellers, guide vane apparatuses and pump housings, are made of stainless steel.
  • Green-button technology and display enable particularly simple parameterisation and operation of the electronic module.
  • Drinking water approval (ACS, KTW, WRAS) for all components in contact with the fluid (EPDM version)

Scope of delivery

  • Wilo-Multivert MHIE high-pressure multistage centrifugal pump
  • Installation and operating instructions

Design notes

  • Optional plug-in IF-Modules
  • Sensors are available as accessories.
Operating data
  • Fluid media
    Water
Product data
  • Min. fluid temperature Tmin
    -15 °C
  • Max. fluid temperature Tmax
    90 °C
  • Max. ambient temperature Tmax
    50 °C
  • Maximum operating pressure PN
    10 bar
  • Maximum inlet pressure p inl
    6 bar
Motor data
  • Electromagnetic compatibility
    EN 61000-6-1, -2, -3, -4
  • Mains connection
    3~400 V, 50/60 Hz
  • Voltage tolerance
    400/50:+/-10%_380/60:+/-10%_440/60:+/-6%
  • Rated power P2
    0.75 kW
  • Rated current IN
    3.20 A
  • Min. speed nmin
    1010 rpm
  • Max. speed nmax
    3430 rpm
  • Insulation class
    F
  • Protection class
    IP54
Materials
  • Pump housing
    1.4404
  • Impeller
    1.4404
  • Shaft
    1.4404
  • Shaft seal
    Q1BVGG
  • Gasket material
    FKM
Installation dimensions
  • Pipe connection on the suction side RPS
    Rp 1
  • Pipe connection on the pressure side RPD
    Rp 1
Information for order placements
  • Brand
    Wilo
  • Product description
    Economy MHIE 203N (3~380/400/440 V, FKM)
  • Net weight, approx. m
    16 kg
  • Article number
    4171765

Dimensions and dimensions drawings

Economy MHIE

Economy MHIE
Economy MHIE

Pump curves

Economy MHIE 203

Economy MHIE 203

Pump curves in accordance with ISO 9906: 2012 3B

Economy MHIE 203

Wiring diagram

3~400 V ≤7.5 kW

3~400 V ≤7.5 kW
3~400 V ≤7.5 kW

Ordering information

Information for order placements
  • Brand
    Wilo
  • Product description
    Economy MHIE 203N (3~380/400/440 V, FKM)
  • EAN number
    4048482282978
  • Article number
    4171765
  • Gross weight, approx. m
    18.2 kg
  • Net weight, approx. m
    16 kg
  • Overall length L
    409.0 mm
  • Height without packaging H
    321 mm
  • Colour
    Green/black/silver
  • Packaging property
    Transport packaging
  • Packaging type
    One-way pallet
  • Number per layer
    1
  • Width without packaging L
    190.0 mm
  • Minimum order quantity
    1
  • Pieces per pallet
    1

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