ALPHA2

The GRUNDFOS Alpha2 is a highly efficient variable speed controlled circulator pump designed for hot water circulation in various heating, cooling, and solar applications. It incorporates several unique features that optimize its performance and energy efficiency. Here are some applications where the Alpha2 pump can be used:

1. Heating Systems: The Alpha2 pump is suitable for hot water circulation in heating systems, including hydronic heating systems, radiators, underfloor heating, and heat pumps. It ensures efficient and consistent circulation of hot water throughout the system, providing optimal comfort and energy efficiency.

2. Cooling Systems: In cooling applications, such as chilled water systems, the Alpha2 pump can be used for circulating water to cool down the desired area or equipment. It helps maintain proper temperature control and ensures efficient cooling operation.

3. Solar Thermal Systems: The Alpha2 pump is designed for solar thermal applications, where it circulates the heat transfer fluid (e.g., water or antifreeze solution) through the solar collectors. It facilitates the efficient collection and distribution of solar energy for heating purposes.

4. Domestic Hot Water Recirculation: The Alpha2 pump can be used in domestic hot water systems to provide instant hot water at the taps. It reduces waiting time for hot water and minimizes water wastage by circulating hot water from the water heater to the fixtures.

5. Energy-Efficient Retrofits: The Alpha2 pump is well-suited for retrofitting existing heating systems to improve energy efficiency. By replacing older, less efficient circulator pumps with the Alpha2, energy consumption can be significantly reduced while maintaining optimal performance.

6. Green Building Projects: The Alpha2 pump is ideal for green building projects that prioritize energy efficiency and sustainability. It helps achieve energy savings by dynamically adjusting pump speed according to system demand, thereby reducing energy consumption and operating costs.

7. Residential and Commercial Buildings: The Alpha2 pump can be used in both residential and commercial buildings for various hot water circulation needs. It ensures efficient and reliable operation, providing comfort and cost savings for occupants.

8. HVAC Systems: The Alpha2 pump can be incorporated into HVAC (Heating, Ventilation, and Air Conditioning) systems to enhance the circulation of hot water in hydronic heating or cooling applications. It improves system performance and energy efficiency.

The Alpha2 pump features a cast iron pump housing, stainless steel rotor can, and composite plastic impeller. These materials ensure durability, efficient operation, and resistance to corrosion. The pump is supplied complete with BSP union for easy installation and compatibility with plumbing systems.

In summary, the GRUNDFOS Alpha2 variable speed controlled circulator pump is designed for hot water circulation in heating, cooling, and solar applications. Its applications include heating systems, cooling systems, solar thermal systems, domestic hot water recirculation, energy-efficient retrofits, green building projects, residential and commercial buildings, and HVAC systems. The Alpha2 pump offers high energy efficiency, precise control, and reliable performance, contributing to overall comfort and cost savings.

MOTOR
The pump is fitted with an integral 4-pole synchronous permanent-magnet high efficiency inverter controlled motor fitted with thermal overload protection. The pump should be connected to a suitably rated MCB or fuse.

Enclosure Class: X4D
Insulation Class: F
Voltage: 1x240V

OPERATING CONDITIONS
Pumped Liquids: Thin, clean non-aggressive liquids without solid particles or fibres
Liquid Temperature: +2°C to +110°C, though a maximum of +65°C is recommended for optimal system efficiency
Max. Ambient Temperature: +80°C
Max. Operating Pressure: 10Bar
Min Inlet Pressure: Up to +75°C – 0.05 Bar, up to +90°C – 0.3 Bar, up to +110°C – 1 Bar
Installation: Pumps must be installed with the pump shaft horizontal, vertical water flow and the plug connection pointing downwards

PUMP DATA