Product Description
The Grundfos ALPHA2 25-60 N 130 is a high-efficiency circulator pump with stainless-steel pump housing suitable for domestic hot-water systems.
The AUTOADAPT function continuously adapts pump performance to the actual heat demand, that is the size of the system and changing heat demand during the year. The AUTOADAPT feature finds the setting that provides optimal comfort with minimal energy consumption and makes commissioning fast, safe and easy. ALPHA2 also offers proportional-pressure, constant-pressure and constant-curve control modes.
With the automatic night-setback function, the pump automatically changes between normal duty and night setback. Changeover depends on the flow-pipe temperature controlled by the heating appliance. In manual summer mode, the pump does not operate but starts automatically at low speed to avoid blocking the rotor as well as sticky valves and non-return valves.
Control modes and functions are selected using the buttons on the display. The LEDs indicate the operating status, actual power consumption in watts or actual flow rate in m³/h as well as warnings and alarms.
The union set for this pump 93107333 is sold separately.
