Grundfos alpha2 l User Manual

English (GB)
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2. General description
The GRUNDFOS ALPHA2 L circulator pump is designed for the
circulation of water in heating systems.
The pump is suitable for the following systems:
• underfloor heating systems
• one-pipe systems
• two-pipe systems.
The pump incorporates a permanent-magnet motor and
differential-pressure control enabling continuous adjustment of
the pump performance to the actual system requirements.
The pump has a user-friendly front-mounted control panel.
See sections 3. Identification and 7. Control panel.
2.1 Advantages of installing a GRUNDFOS ALPHA2 L
The installation of a GRUNDFOS ALPHA2 L means
easy installation and start-up
• The pump is easy to install.
With the factory setting, the pump can, in most cases, be
started without making any settings.
high degree of comfort
• Minimum noise from valves, etc.
low energy consumption
• Low energy consumption compared to conventional circulator
pumps.
Energy efficiency index (EEI)
• The Ecodesign directive for energy-using (EuP) and energy-
related (ErP) products is EU legislation requiring
manufacturers to reduce the overall environmental impact of
their products.
• Circulator pumps will be EuP-ready and comply with the
requirements as from 2015.
Fig. 1 EuP-ready label
TM05 7745 1613

Grundfos alpha2 l Specifications

General

Pump Type	Circulator Pump
Series	ALPHA2 L
Max Head	6 m
Voltage	230 V
Frequency	50/60 Hz
Temperature Range	2°C to 110°C
Material	Cast iron
Max Operating Pressure	10 bar
Installation Length	180 mm
Enclosure Class	IP42
Insulation Class	F
Weight	2.1 kg
Protection Class	Class I