Grundfos ALPHA2 Series Installation And Operating Instructions Manual page 12

The table below shows the ALPHAx models with built-in functions.
Functions/features
AUTO
ADAPT
Proportional pressure
Constant pressure
Constant curve
Automatic night setback
Manual summer mode
Dry-running protection
ALPHA Reader
High-torque start
ALPHAx XX-40
ALPHAx XX-50
ALPHAx XX-60
ALPHAx XX-80
6.4.2 Type key
Example
Pump type
Blank: Standard version
L: Limited version
Nominal diameter (DN) of inlet and outlet
ports [mm]
Maximum head [dm]
Blank: Cast-iron pump housing
A: Pump housing with air separator
N: Stainless-steel pump housing
Port-to-port length [mm]
12
Model B
2012
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ALPHAx 25 -40 N 180
Model C Model D
2015 2015
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ALPHA3 model A
2015
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