GRUNDFOS Electronic Circulator ALPHA2 25-40 18W 1x230V 180mm 50/60Hz Z1

SINGLE CIRCULATOR GRUNDFOS 97704990GRUNDFOS ALPHA2GRUNDFOS ALPHA2 is a complete range of circulator pumps featuring:AUTOADAPT function which suits most installations.Integrated differential-pressure control enabling adjustment of pump performance to the actual system requirements.Automatic Night SetBack (selectable).Display showing the actual power consumption in Watt.Motor based on permanent-magnet/compact-rotor technology.The GRUNDFOS ALPHA2 pump is energy-optimised and complies with the EuP Directive(EC Commission Regulation No 641/2009) which will be effective as from 1st January 2013.For GRUNDFOS ALPHA2 pumps, the energy efficiency index (EEI) is ? 0.23. See page 11. The installation of a GRUNDFOS ALPHA2 pump will reduce the power consumption considerably, reduce noise from thermostatic valves and similar fittings, and improve the control of the system.GRUNDFOS ALPHA2 offers a host of advantages:Energy savings Automatic control of the differential pressure.Flexibility Suitable for installation in existing systems.Night setback Automatic Night SetBack(selectable).Comfort Low-noise operation.Safety Built-in electrical and thermal protection of the pump.Userfriendliness Simple setting and operation.ApplicationsGRUNDFOS ALPHA2 is designed for circulating liquids in heating systems. Pumps with stainless-steel pump housing can also be used in domestic hot-water systems.GRUNDFOS ALPHA2 is suitable forsystems with constant or variable flows where it isdesirable to optimise the pump duty point.systems with variable flow-pipe temperature.systems where night setback is desired.GRUNDFOS ALPHA2 is especially suitable forinstallation in existing systems where the differential pressure of the pump is too high during periods of reduced flow demand.installation in new systems for fully automatic adjustment of the performance to flow demands without the use of bypass valves or similar expensive components.
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