Wilo-Yonos MAXO-D

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

Construction

Glandless circulator 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

Twin-head 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

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