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Wilo-Yonos MAXO-D | Wilo
Your advantages
Wilo-Yonos MAXO-D (flange)

Your advantages

  • LED display provides complete transparency of set delivery head, speed stage or possible errors
  • Simple adjustment over three speed stages when replacing an uncontrolled standard pump
  • Easier electrical connection using the Wilo plug
  • System availability ensured via collective fault signal
  • Compact design and proven ease of use
Series description
Yonos MAXO-D


Glandless circulator with threaded connection or flange connection, EC motor with automatic power adjustment.


Hot-water heating systems of all kinds, air-conditioning systems, closed cooling circuits, industrial circulation systems.


Operating modes

  • Δp-c for constant differential pressure
  • Δp-v for variable differential pressure
  • n = constant (3 speed stages)

Manual functions

  • Setting the operating mode
  • Setting of pump output (delivery head)
  • Setting the speed stages

Automatic functions

  • Infinitely variable power adjustment according to the operating mode
  • Deblocking function
  • Soft start
  • Integrated full motor protection

Signal and display functions

  • Collective fault signal (potential-free NC contact)
  • Fault signal light
  • LED segment display for displaying the delivery head and fault codes
  • Display of the set speed stages (C1, C2 or C3)

Double pump function

  • Main/standby operation: for an automatic fault-actuated switchover the Connect Module Yonos MAXO can be used.
  • Predefined control mode and set delivery head must be identical for both pumps.


  • Wrench attachment point on pump body (for threaded pipe union pumps)
  • Quick electrical connection with Wilo plug. For the connection of the mains and SSM lines, with integrated strain relief
  • For flange-end pumps: Flange versions
    • Standard version for pumps DN 32 to DN 65: Combination flange PN 6/10 (flange PN 16 acc. to EN 1092-2) for counter flanges PN 6 and PN 16
    • Standard version for DN 80 pumps: PN 6 flange (designed for PN 16 according to EN 1092-2) for PN 6 counter flange



Wilo-Yonos MAXO-D 32/0.5-7

Yonos MAXO

High-efficiency pump (screw-end or flange-end pump), electronically controlled


Double pump


Nominal connection diameter


Nominal delivery head range [m]

Technical data

  • Permissible temperature range of -20°C to +110°C
  • Mains connection 1~230 V, 50/60 Hz
  • Protection class IP X4D
  • Screwed connection DN 30 (RP 1¼)
  • Flange connection DN 32 to DN 80
  • Max. operating pressure of standard version: 6/10 bar or 6 bar (special version: 10 bar)


  • Pump housing: grey cast iron with cataphoretic coating
  • Shaft: Stainless steel
  • Bearing: carbon, metal impregnated
  • Impeller: Plastic

Scope of delivery

  • Pump
  • Including gaskets for threaded connection
  • Including washers for flange screws (for nominal connection diameters DN 32 – DN 65)
  • Including installation and operating instructions


  • Counter flanges for flange connection
  • Adapter fittings

Installation and operating instructions

Wilo-Yonos MAXO/-D/-Z

Article Number 2226411
Edition 2022-08
Page format 148.2 x 209.9 mm
Number of pages 392
PDF (8 MB)

Wilo-Yonos MAXO/-D/-Z

Article Number 2226410
Edition 2022-08
Page format 148.2 x 209.9 mm
Number of pages 40
PDF (6 MB)

General overview

General Overview 2023 - International version

Edition 2022
Page format 209.9 x 297.0 mm
Number of pages 74
PDF (24 MB)

Certification booklet

Stratos MAXO, Stratos MAXO-D, Stratos MAXO-Z, Stratos , Stratos-D, Stratos-Z, Stratos-ZD, Yonos MAXO,Yonos MAXO-D, Yonos MAXO-Z, Yonos ECO BMS, Yonos PARA HF, Stratos PARA, Stratos PARA-Z, TOP-Z, TOP-S Transportsysteme

Article Number 2209011
Edition 2022-11
Page format 209.9 x 297.0 mm
Number of pages 72
PDF (28 MB)

Certificate REACH

REACH Regulation

Edition 2021-05
Page format 209.9 x 297.0 mm
Number of pages 4
PDF (262 KB)

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