Grundfos MAGNA3 25-80 N Circulator Pump

The Grundfos MAGNA3 25-80 N circulation pump is an efficient and versatile solution designed for domestic hot water recirculation systems, especially in applications requiring corrosion-resistant materials, such as stainless steel. With a wet rotor design and advanced control technologies, this pump offers optimal performance and reduced energy consumption, complying with the EuP 2015 regulation. The MAGNA3 25-80 N stands out for its automatic adjustment capability, easy configuration, and advanced communication functions, making it a superior choice for high-performance heating and cooling projects.

This pump includes a colour display with 3D infographics, which facilitates the system status and settings visualisation, and is compatible with Grundfos GO for remote monitoring and configuration. Connectivity to building management systems (BMS) via optional CIM modules provides an additional level of control and flexibility.

Technical Features:

• Nominal flow rate: 4.5 m³/h.
• Nominal head: 5.649 m.
• Maximum working pressure: 10 bar, suitable for various applications.
• Fluid temperature range: -10 to 110 °C, with a standard operating temperature of 60 °C.
• Construction materials: The pump body is made of stainless steel (EN 1.4308 / ASTM A351-CF8) and the impeller is composite, ensuring durability and corrosion resistance.
• Connection: Type G 1 1/2 inches, with a nominal pressure PN 10, facilitating installation in existing systems.
• Installation length: 180 mm, allowing for easy mounting in confined spaces.

Control Modes and Advanced Functions:

• AutoAdapt: Automatically adjusts the pump performance to match system needs, optimising energy consumption.
• FlowAdapt: Reduces the need for throttling valves, decreasing installation and maintenance costs.
• Pressure control: Offers proportional pressure, constant pressure, and constant curve control modes, providing flexibility for various applications.
• Night mode: Automatically adjusts pump operation during low-demand periods to maximise energy efficiency.
• FlowLimit and thermal monitoring: Allow for precise flow control and thermal energy monitoring (requires additional sensor).

Additional Benefits:

• Colour display with 3D infographics: Facilitates the visualisation of the pump's status and settings.
• Grundfos Eye: Provides a visual indicator of the pump's status, simplifying monitoring and maintenance.
• Advanced connectivity: Compatible with Grundfos GO for remote configuration and monitoring from mobile devices.
• Low noise level: Ideal for commercial and residential applications where acoustic comfort is essential.
• Potable water approvals: WRAS, ACS, and UBA, ensuring suitability for potable water systems.

Recommended Applications:

The Grundfos MAGNA3 25-80 N is suitable for a variety of applications, such as:

• Domestic hot water recirculation: Perfect for installations requiring corrosion-resistant materials.
• Heating systems in commercial buildings: Improves efficiency and control in heating applications.
• Air conditioning surfaces and mixing loops: Provides precise control and efficient circulation in climate control systems.
• Geothermal pumping systems and small chiller applications: Offers reliable performance in specialised thermal control systems.

Electrical Data:

• Maximum input power: 116 W, with a minimum consumption of 9 W.
• Rated voltage: 1 x 230 V, facilitating integration into most installations.
• Current consumption: 0.09 A minimum / 1.02 A maximum.
• Network frequency: 50/60 Hz, allowing flexible use in different environments.
• Protection class: X4D (IEC 34-5), providing protection against water splashes.
• Insulation class: F (IEC 85), ensuring electrical safety.

Certifications and Compliance:

• Complies with various international approvals: CE, VDE, EAC certifications, and more, ensuring compliance with global standards.
• Environmental approvals: CN ROHS, WEEE, guaranteeing sustainable and responsible manufacturing.

The Grundfos MAGNA3 25-80 N is the perfect choice for applications requiring efficiency, advanced control, and corrosion resistance, providing superior performance and ease of integration into heating and cooling systems.