1.2 Notes
The symbols and notes below may appear in Grundfos
installation and operating instructions, safety instructions and
service instructions.
Observe these instructions for explosion-proof products.
A blue or grey circle with a white graphical symbol
indicates that an action must be taken.
A red or grey circle with a diagonal bar, possibly with a
black graphical symbol, indicates that an action must not
be taken or must be stopped.
If these instructions are not observed, it may result in
malfunction or damage to the equipment.
Tips and advice that make the work easier.
1.3 Recommended safety equipment
We recommend the following safety equipment, when handling this
product.
Wear safety shoes.
Wear protective gloves.
Wear safety glasses.
2. Product introduction
2.1 Product description
ALPHA1 GO is a high-efficiency circulator pump fitted with an
electronically commutated motor and designed for circulating liquids
in heating and air conditioning systems.
ALPHA1 GO is equipped with intelligent controls and offers three
control modes:
• constant pressure
• proportional pressure
• constant curve.
Each mode has three adjustable speed settings.
Replacement of older integrated and stand-alone circulator pumps,
including replicating curves, is made easy by using the Grundfos
GO app and operating panel.
The toolless installer plug enables a fast and easy electrical
connection.
The automatic self-venting ability and dry-running protection ensure
quiet operation and reliability of the pump.
The product features robust startup which reduces the risk of
blockages from dirt, magnetite and limescale build-up. In the
unlikely case of a blocked pump, the motor continuously attempts
to start at the highest possible torque, ensuring startup in tough
conditions.
The ceramic shaft and bearings experience minimal wear, resulting
in a longer lifespan and a reduced likelihood of noise in the system
due to increased bearing clearance from wear.
Fault finding is fast and easy by using the error codes on the pump
operating panel.
2.2 Intended use
The pump is designed for circulating liquids in the following:
• heat production: boilers, heat pumps and district heating
systems.
• distribution systems: space heating, for example, radiators,
underfloor-heating systems and air-conditioning.
This pump is only for indoor use.
Related information
2.4 Pumped liquids
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English (GB)