Wilo-Yonos MAXO-D
Series description


Special features/product 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
Design type
Glandless circulation pump with 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.
Equipment/function
Operating modes
- Δp-c for constant differential pressure
- Δp-v for variable differential pressure
Manual functions
- Setting the operating mode
- Setting of pump output (delivery head)
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
Double pump function
- Main/standby operation: for an automatic fault-actuated switchover, a corresponding switchgear must be provided on-site.
- Predefined control mode and set delivery head must be identical for both pumps.
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 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/DN 100 pumps: PN 6 flange (designed for PN 16 according to EN 1092-2) for PN 6 counter flange
Scope of delivery
- Pump
- Incl. washers for flange screws (for nominal connection diameters DN 32 - DN 65)
- Including installation and operating instructions
Type key
Example: | Wilo-Yonos MAXO-D 32/0.5-7 |
Yonos MAXO | High-efficiency pump (screw-end or flange-end pump), electronically controlled |
-D | Double pump |
32/ | Nominal connection diameter |
0.5-7 | 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
- Flange connection DN 32 to DN 80
- Max. operating pressure of standard version: 6/10 bar or 6 bar (special version: 10 bar)
Materials
- Pump housing: grey cast iron with cataphoretic coating
- Shaft: Stainless steel
- Bearing: carbon, metal impregnated
- Impeller: Plastic
Downloads

Wilo-Yonos MAXO/-D - Installation and operating instructions - 50 Hz
Article Number | 2175507 |
Edition | 2018-03 |
Version number | 02 |
Number of pages | 18 |
PDF (127 MB)
Download