Grundfos alpha2l User Manual

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2. General description
Contents:
2.1 The GRUNDFOS ALPHA2 L circulator pump
2.2 Advantages of installing a GRUNDFOS ALPHA2 L.
2.1 The GRUNDFOS ALPHA2 L circulator pump
The GRUNDFOS ALPHA2 L circulator pump is designed for the
circulation of water in heating systems.
Install the GRUNDFOS ALPHA2 L in
• underfloor heating systems
• one-pipe systems
• two-pipe systems.
GRUNDFOS ALPHA2 L incorporates a permanent-magnet motor and
differential-pressure control enabling continuous adjustment of the pump
performance to the actual system requirements.
GRUNDFOS ALPHA2 L has a user-friendly front-mounted control panel.
See 6. Control panel and 14. Features.
2.2 Advantages of installing a GRUNDFOS ALPHA2 L
The installation of a GRUNDFOS ALPHA2 L means
easy installation and start-up
• GRUNDFOS ALPHA2 L 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
products (ErP) 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 2085 4411

Grundfos alpha2l Specifications

General

Voltage	230 V
Protection Class	IP42
Maximum Operating Pressure	10 bar
Enclosure Class	IP42
Insulation Class	F
Pump Housing	Cast iron
Type	Circulator pump
Frequency	50 Hz
Approvals	CE
Connection	G 1"
Ambient Temperature	Up to 40°C