MAGNA1 32-120 F Circulator Pump

The Grundfos MAGNA1 32-120 F circulator pump is an efficient and practical solution for heating and air conditioning systems in commercial buildings, as well as for district heating. Designed to meet basic control and performance needs, this wet rotor pump is ideal for replacing old circulators, optimising energy consumption and complying with the EuP 2015 directive. Its intuitive interface and compact design facilitate installation and maintenance, ensuring reliable and quiet operation.

The MAGNA1 32-120 F is manufactured with durable materials and equipped with advanced technology, ensuring consistent performance and a long service life. It is particularly suitable for applications requiring a basic control system with start/stop and monitoring functions.

Technical Features:

• Liquid temperature range: -10 to 110 °C, with a typical operating temperature of 60 °C.
• Maximum working pressure: 10 bar, suitable for a wide range of applications.
• Construction materials: The pump body is made of cast iron (EN 1561 EN-GJL-250 / ASTM A48-250B), and the impeller is composite, providing durability and strength.
• Connection: DIN type, with a size of DN 32 and a nominal pressure PN 6/10, allowing easy integration into existing systems.
• Installation length: 220 mm, facilitating assembly in confined spaces.

Control Modes:

The MAGNA1 32-120 F offers three control modes to suit system requirements:

1. Proportional pressure control (PP1, PP2 or PP3): Adjusts pressure based on flow, ideal for applications with variable demand.
2. Constant pressure control (CP1, CP2 or CP3): Maintains uniform pressure, ensuring consistent system performance.
3. Constant curve control (I, II or III): Operates with a fixed flow, suitable for applications with continuous flow.

Additional Advantages:

• Energy efficiency: With an energy efficiency index (EEI) of 0.20, the pump significantly reduces electricity consumption.
• Quiet operation: Perfect for environments where low noise levels are required.
• Grundfos Eye: Visual indicator that facilitates monitoring of the pump status.
• Integrated insulation casing: Helps reduce heat loss in heating applications.
• Easy installation and maintenance: Its compact and optimised design allows for quick installation and convenient maintenance access.

Recommended Applications:

The Grundfos MAGNA1 32-120 F is suitable for a variety of applications, such as:

• Heating in commercial buildings: Provides efficient control to maximise comfort and efficiency.
• Air conditioning systems: Improves water circulation in HVAC systems.
• District heating: Provides reliable performance for centralised heating applications.
• Mixing loops and geothermal pumping systems: Suitable for applications requiring precise flow control.
• Small chiller applications: Offers flexibility and efficiency in refrigeration systems.

Electrical Data:

• Maximum input power: 329 W, with a minimum consumption of 14.89 W.
• Nominal voltage: 1 x 230 V, facilitating integration into common electrical installations.
• Current consumption: 0.17 A minimum / 1.48 A maximum.
• Mains frequency: 50/60 Hz, compatible with various operating environments.
• Protection grade: X4D (IEC 34-5), providing protection against water splashes.
• Insulation class: F (IEC 85), ensuring electrical safety.

Certifications and Compliance:

• Complies with international approvals: Includes certifications such as CE, VDE, EAC, and others, ensuring performance in accordance with global standards.
• Environmental approvals: CN ROHS, WEEE, ensuring a sustainable and responsible manufacturing process.

The Grundfos MAGNA1 32-120 F is the ideal choice for installations seeking simplicity, efficiency, and reliability in heating and HVAC systems, providing a perfect balance between performance and energy savings.