
Do you have a question about the Grundfos ALPHA+ Series and is the answer not in the manual?
| Max. Operating Pressure | 10 bar |
|---|---|
| Frequency | 50/60 Hz |
| Protection Class | IP42 |
| Pump Type | Circulation Pump |
| Power Supply | 230 V |
| Power Consumption | 5-45 W |
| Temperature Range | 2°C to 110°C |
| Connection Size | 1" |
| Material | Cast iron |
| Connection Type | Threaded |
| Impeller Material | Composite |
Describes where the GRUNDFOS ALPHA+ pump is used, including heating and domestic hot-water systems.
Details the types of liquids suitable for the pump, specifying clean, non-aggressive liquids and water quality.
Details terminal box repositioning and its various positions for installation flexibility.
Covers pump integration with bypass, non-return valves, and air separator requirements.
Guidance on safe electrical connections, including earthing and mains switch specifications.
Outlines the default factory settings for pump duty and night-time duty suitable for most single-family houses.
Describes how to adjust the pump's head by turning the selector switch for different system requirements.
Explains how to activate and use the automatic night-time duty function, including system requirements.
Explains the proportional-pressure control mode, adjusting performance and consumption to system requirements.











