The YONOS Maxo from Wilo is a wet rotor circulator pump with threaded or flanged connection, EC motor with automatic power adaptation.
Application
All hot water heating systems, air conditioning installations, closed cooling circuits and industrial circulation systems.
Special features/product advantages
- The LED indicator offers total transparency about the setpoint delivery height, speed or possible errors
- Easy three-speed adjustment when replacing a standard non-regulated pump
- Simplified electrical connection thanks to the Wilo plug
- Guarantee of the availability of the installation through general fault indication
- Compact construction and easy handling guaranteed
Equipment/function
Operating modes
Δp-c for a constant differential pressure
Δp-v for variable differential pressure
n = constant (3 speeds)
Manual functions
Operating mode setting
Pump power adjustment (discharge head)
Adjusting speeds
Automatic functions
Continuous power adaptation depending on operating mode
Unlock function
Soft start
Integrated total engine protection
Indication and warning functions
General fault indication (voltage-free opening contact)
Fault indicator light
LED segment indication to indicate delivery height and fault code
Indication of the set speed (C1, C2 or C3)
Equipment
Wrench seat in pump body (on pumps with threaded pipe joints)
Quick electronic connection with the Wilo connector. For connecting network and SSM cabling with integrated strain relief
In the case of flanged pumps: flanged versions
Standard version for pumps DN 40 to DN 65: combined flange PN 6/10 (PN 16 flange according to EN 1092-2) for counterflanges PN 6 and PN 16
Standard execution for DN 80 / DN 100 pumps: PN 6 flange (PN 16 execution according to EN 1092-2) for PN 6 counterflange
Supply
Pump
Incl. gaskets in the threaded connection
Incl. washers for flange bolts (in nominal connection diameters DN 40 - DN 65)
Incl. installation and operating instructions
Technical data
Permissible temperature range from -20 °C to +110 °C
Power supply 1~230 V, 50/60 Hz
IP protection type X4D
Flanged connection DN 32 to DN 80
Max. working pressure of standard execution: 6/10 bar or 6 bar (special execution: 10 bar)
Materials
Pump casing: Gray cast iron with cataphoresis coating
Shaft: Stainless steel
Bearing: Carbon, metal impregnated
Impeller: Plastic