Grundfos ALPHA2 32-40 Circulation Pump with VFD, 180 mm, for 18,000-25,000 kcal/h Boilers, 4 m, 2.6 m³/h

Grundfos ALPHA2 32-40 1 Variable Frequency Drive (VFD) Circulation Pump

SKU	99411207
Manufacturer	Grundfos
Manufacturer Warranty	2 Years
Weight	2 Kg
Dimensions	138mm x 88mm x 180mm
Connection Type	Union – 2"
Pump Union Range	180 mm
Maximum Flow Rate	2.6 m³/h
Maximum Head	4 m
Material	Cast Iron
Impeller Material	PES

The Grundfos ALPHA2 32-40 series domestic heating circulator (with Auto-Adapt) is the most advanced energy-efficient domestic circulator of its kind. It is an ideal choice for a variety of domestic circulated heating systems, offering both variable-speed pressure-controlled operation and standard selectable three-speed operation.

The Grundfos ALPHA2 32-40 is an 'A'-rated / EuP Ready Energy-labeled product under the energy labeling scheme, achieving the highest possible energy savings. Power consumption has been reduced through the use of the latest permanent magnet motor technology. With pressure-controlled operation, the Grundfos ALPHA2 32-40 can reduce power consumption to as low as 5 watts.

Grundfos ALPHA2 32-40 Features

• The AUTOADAPT function reduces energy consumption to the lowest possible level without compromising on comfort. It also enables faster and safer commissioning.
• Night setback mode for energy savings
• Manual Summer mode provides energy savings during summer and safe start-up during the heating season.
• Single-button simple operation makes it extremely easy to switch between control modes.
• No external protection is required, reducing installation time.
• High-torque start-up ensures better performance even in demanding conditions.
• Seal-free design and durable components eliminate maintenance needs.
• The Grundfos ALPHA2 32-40 plug enables quick and easy electrical cable connections.
• Insulation shells are supplied with the pumps to reduce heat loss in heating systems.
• Hydraulic balancing is fast and easy with the Grundfos GO Balance app and ALPHA Reader. With these technologies, you can guarantee hydraulic balancing without compromising reliability, efficiency, or ease of installation.
• When using the ALPHA2 temporary installation feature with the ALPHA Reader MI401 and the Grundfos GO Balance app, it is possible to balance radiators and/or underfloor heating systems quickly and conveniently.

The AUTOADAPT function continuously adapts pump performance to the actual heat demand. This means the system size and the varying heat demand throughout the year are taken into account. The AUTOADAPT function finds the setting that delivers the ideal comfort level with the lowest energy consumption. It also makes commissioning quick and easy.

The pump has three control modes, each with three settings:

• proportional pressure control
• constant pressure control
• constant curve mode

The Grundfos ALPHA2 32-40 display shows actual power consumption in watts or actual flow rate in m³/h. Alarms and warnings can also be monitored on the display. LEDs indicate the actual operating status.

When night setback is activated, the motor speed is automatically reduced for energy savings as the system temperature drops. Alternating operation between pumps depends on the temperature change in the flow pipe.

If manual summer mode is activated, the Grundfos ALPHA2 32-40 frequently starts the pump at low speed to prevent the rotor from seizing and to save energy.

The seal-free rotor design means the pump and motor form a single unit. The bearings are lubricated by the fluid being transferred and require no maintenance. The pump includes dry-run protection.

The Grundfos ALPHA2 32-40 features a ceramic shaft, radial bearings, carbon bearing, stainless steel protection, bearing plate and rotor sleeve, and a composite impeller. These components give the product a longer service life.

The Grundfos ALPHA2 32-40 has an automatic air vent function for easier commissioning. The compact design with an integrated control box and control panel on the pump head allows easy installation in the most common configurations.

The Grundfos ALPHA2 32-40 pump casing is made of cast iron and electrochemically coated to improve corrosion resistance.

The motor is a synchronous permanent magnet / compact stator motor known for its high efficiency ratings. Pump speed is managed by an integrated variable frequency drive (VFD) fitted in the terminal box.