Grundfos ALPHA SOLAR 15-75 130 circulation pump

The Grundfos ALPHA SOLAR 15-75 130 circulator pump, reference 98989298, is an ideal solution for domestic heating systems that use solar thermal technology. With its efficient design and the ability to be controlled via a low-voltage PWM signal from a solar controller, this pump offers optimized performance to maximize energy efficiency in thermal solar installations. Its versatility and ease of use make it an ideal choice for enhancing the performance of solar systems in the home.

Product Applications:

The ALPHA SOLAR 15-75 130 pump is suitable for:

• Domestic heating systems that use solar thermal energy as the primary heat source.
• Solar thermal installations, as it allows for adjusting the pump speed according to solar conditions via the PWM signal, maximizing energy savings.

Technical Data:

• Nominal flow rate: 1.85 m³/h, suitable for ensuring efficient circulation in domestic solar thermal systems.
• Nominal head: 3.285 m, providing the capacity to handle typical circulation needs in a solar heating system.
• Maximum head: 75 dm, allowing for the handling of larger circuits with ease.

Control Features:

• Three constant curve modes: Allows selection between different operating configurations to optimize performance according to system needs.
• Speed control via PWM signal: A key feature of this pump is its ability to adjust speed based on the PWM (Pulse Width Modulation) signal from the solar controller, enabling efficient energy use and maximizing heat production in solar systems.

Materials and Durability:

The Grundfos ALPHA SOLAR 15-75 130 is designed to ensure a long lifespan and reliability under demanding conditions. Its main components include:

• Hydraulic body: Made from high-quality cast iron (EN 1561 EN-GJL-150 / ASTM A48-150B), providing high resistance to corrosion and wear.
• Impeller: Made of fiberglass-reinforced composite (PES 30% GF + PESU-GF20%), a lightweight and durable material that contributes to the pump's longevity and efficiency.

Installation:

The Grundfos ALPHA SOLAR pump is designed for easy and quick installation in solar thermal systems:

• Distance between ports: 130 mm, facilitating integration into heating systems with standard-sized pipes.
• Connection type: G (cylindrical thread) with a connection size of 1 inch, compatible with most domestic installations.
• Ambient temperature range: 2 to 70°C, ensuring stable operation under a variety of climatic conditions.

Energy Performance:

One of the main advantages of the Grundfos ALPHA SOLAR is its energy efficiency:

• Minimum input power: 2 W, ensuring extremely low energy consumption during light load operation.
• Maximum input power: 45 W, sufficient to provide optimal performance even during peak demand.
• Energy efficiency index (EEI): 0.20, placing it among the most efficient options in its category, complying with the strictest energy efficiency regulations.

Electrical Data:

• Nominal voltage: 230 V, compatible with standard electrical networks.
• Network frequency: 50/60 Hz, allowing use in various regions.
• Maximum current consumption: 0.48 A, ensuring efficient energy use even at maximum capacity.
• Protection rating: IPX4D, providing protection against water splashes from any direction, making it suitable for humid environments.

Ease of Use:

The ALPHA SOLAR 15-75 130 pump is designed with user-friendliness in mind. Its ability to be controlled via a PWM signal ensures it can be dynamically adjusted based on solar system conditions, optimizing energy efficiency. Additionally, the three constant curve modes offer flexibility to adapt to system needs without complicated adjustments.

Other Specifications:

• Net weight: 2.01 kg, making installation and handling easier.
• Gross weight: 2.11 kg, including packaging.
• Transport volume: 0.004 m³, allowing for efficient and economical transport.

Regulations and Certifications:

The Grundfos ALPHA SOLAR 15-75 130 pump complies with multiple international certifications, such as CE, VDE, and EAC, ensuring adherence to the highest standards of quality, safety, and sustainability. It is also certified under the environmental regulation WEEE, guaranteeing a lifecycle with reduced environmental impact.