Wilo - Stratos Maxo-D 50/0,5-12 PN16 Glandless Twin Head Circulator Pump - 230V - Single Phase - 16 Bar. - 280mm

The Wilo - Stratos Maxo-D 50/0,5-12 PN16 Glandless Twin Head Circulator Pump - 230V - Single Phase - 16 Bar. - 280mm is a circulator pump designed to circulate water through heating, cooling, or hot water systems.

With single-phase power, 230V supply, pressure duties up to 16 Bar and a twin-pump configuration, it is built to support efficient system movement and dependable temperature control.

Premium smart-pump Wilo-Stratos MAXO-D

High-efficiency in-line glandless twin-head pump with EC motor and electronic power adjustment. can be utilised for chilled water, heating water and water/glycol mixtures. Energy efficiency index (EEI) between ≤ 0.17 and ≤ 0.19 depending on pump type.

Control modes:

Real-world product applications

• Circulating water around closed-loop pipework systems
• Maintaining flow through distribution circuits
• Supporting recirculation in building services installations
• Keeping consistent flow through equipment or pipe runs
• Assisting with loop circulation for system efficiency

Key Product Features

• Min. fluid temperature: -10C
• Max. fluid temperature: 110C
• Min. ambient temperature: -10C
• Max. ambient temperature: 40C
• Maximum operating pressurePN: 16bar
• Minimum suction head at 50Cm: 5m
• Minimum suction head at 95Cm: 12m
• Minimum suction head at 110C: 18m
• Permanent, automatic power adjustment to system requirements without setpoint specification Wilo Dynamic Adapt plus (factory setting). Up to 20% energy savings compared to dp-v control mode
• Constant temperature (T-const.)
• Constant differential temperature (dT-const.)
• Needs-based volume flow optimisation of the feeder pump through connectivity and communication between multiple pumps (Multi-Flow Adaptation).
• Constant volume flow (Q-const.)
• Differential pressure control (dp-c) to a remote point in the pipe network (index circuit evaluator)
• Constant differential pressure (dp-c)
• Variable differential pressure (dp-v) with the option to set the nominal duty point
• Constant speed (n-const.)
• User-defined PID control

Functions:

• Heat quantity measurement
• Cooling quantity measurement
• Pump automatically deactivates when no flow rate is detected (No-Flow Stop)
• Switchover between heating and cooling mode (automatic, external or manual)
• Adjustable volume flow limiter using the Q-Limit function (Q_min. and Q_max.)
• Dual-pump operations: Efficiency-optimised parallel operation for dp-c and dp-v, main and standby operation
• Ability to save and restore configured pump settings (3 restoration points)
• Fault and warning messages shown in plain text with advice on resolving the issue
• Pump venting function for automatic venting of the rotor chamber
• Automatic night setback
• Automatic deblocking function and integrated full motor protection
• Dry-running detection

Display:

• Control mode
• Setpoint
• Volume flow
• Temperature
• Power consumption
• Electric consumption
• Active influences (e.g. STOP, No-Flow Stop)

Version:

• 2 configurable analogue inputs: 0-10V, 2-10V, 0-20mA, 4-20mA and commercially available Pt1000; +24VDC power supply
• 2 configurable digital inputs (Ext. OFF, Ext. Min, Ext. Max, heating/cooling, manual override (uncoupled from building automation), operation lock (key lock and remote operation configuration protection))
• 2 configurable signal relays for run signals and fault messages
• Slot for Wilo-CIF modules with interfaces for building automation BA (optional accessories: CIF modules Modbus RTU, Modbus TCP, BACnet MS/TP, BACnet IP, LON, PLR, CANopen)
• Wilo Net as a Wilo system bus for communication between Wilo products, e.g. Multi-Flow Adaptation; dual-pump operation and Wilo-Smart Gateway
• Integrated temperature sensor
• Automatic emergency operation with definable pump speed for exceptional circumstances, e.g. bus communication or sensor value malfunction
• Graphic colour display (4.3 inches) with one button manual operation level
• Use the Wilo-Assistant app to read and set operating data and among other things set up a commissioning protocol through the Bluetooth interface (no further accessories required)
• Integrated dual-pump management (twin-head pumps are prewired) when using 2 single pumps as two-pump unit (connection via Wilo Net)
• Cable break detection when using an analogue signal (in connection with 2 10V or 4 20mA)
• Outdoor installation with weather protection possible in accordance with the installation and operating instructions
• Pre-set date and time

Scope of delivery

• Pump
• 2x optimised Wilo-Connector, suitable for all sizes
• 4xthreaded cable gland, M16x1.5
• Washers for flange screws M12 and M16 (for nominal connection diameters DN32 to DN65)
• 2 x gaskets for threaded connection
• Concise Installation and operating instructions

Optional accessories:

• CIF module: Modbus TCP, Modbus RTU, BACnet IP, BACnet MS/TP, LON, PLR, CANopen
• Pt1000 (B) pipe surface contact sensor (for domestic Hot water)
• Pt1000 (AA) sensor for installation in immersion sleeve
• Differential pressure sensor

Wilo (est. 1872) is a German manufacturer delivering building-services and water-management pumps. Their ranges include circulators, booster sets, drainage pumps and sewage systems. Wilo products are commonly used in heating and cooling circulation, pressure boosting, commercial building services and public water infrastructure.