Wilo-Yonos MAXO

Design

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

Application

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

Type key

Example: Wilo-Yonos MAXO 30/0.5-12
Yonos MAXO High-efficiency pump (screw-end or flange-end pump), electronically controlled
30/ Nominal connection diameter
0.5-12 Nominal delivery head range [m]

Special features/product advantages

  • LED display for the indication of set delivery head and error messages
  • Simple adjustment when replacing an uncontrolled standard pump with preselectable speed stages, e.g. Wilo-TOP-S
  • Electrical connection with Wilo plug
  • System availability ensured via collective fault signal
  • Pump housing with cataphoretic (KTL) coating protects against corrosion due to condensation formation

Technical data

  • Energy efficiency index (EEI) ≤ 0.23
  • Permissible temperature range of -20°C to +110°C
  • Mains connection 1~230 V, 50/60 Hz
  • Protection class IP X4D
  • Flange connection DN 32 to DN 80
  • Max. operating pressure of standard version: 6/10 bar or 6 bar (special version: 10 bar)
00587483_0

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 configured speed stage (C1, C2 or C3)

Equipment

  • 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 DN 40 to DN 65 pumps: PN 6/10 combination flange (PN 16 flange according to EN 1092-2) for PN 6 and PN 16 counter flanges
    • Standard version for DN 80/DN 100 pumps: PN 6 flange (designed for PN 16 according to EN 1092-2) for PN 6 counter flange

Scope of delivery

  • Pump
  • Including gaskets for threaded connection
  • Incl. washers for flange screws (for nominal connection diameters DN 40 – DN 65)
  • Including installation and operating instructions

Accessories

  • Screwed connections for threaded connection
  • Counter flanges for flange connection
  • Adapter fittings
  • Thermal insulation