High-efficiency wet-runner pump, electronically controlled, Energy Efficiency Index (EEI) ≤ 0.20 Best in Class Designs/Functions/Features: - Single pump or twin pump (D) - High-efficiency EC permanent magnet motor technology - Energy Efficiency Index (EEI) ≤ 0.17 - Control modes: Constant pressure / Fixed speed / Proportional pressure / Constant temperature - Integrated full motor protection - Thermal insulation shells in accordance with EnEV included in delivery (only for single pumps) - Automatic setpoint adjustment via AutoAdapt function - Integrated dry-running protection - Adjustable flow rate limitation via FlowLimit function - Integrated thermal energy metering (optional RPI+T2 0-16 sensor required) - Connection to building management system via optional plug-in modules in the terminal box - Operating and fault messages - Communication options analog/digital: 2xDO / 3xDI / 1xAI - Operating history recording - Operation via TFT display and soft-touch keypad - Automatic setpoint adjustment including flow rate limitation via FlowAdapt function - 5-year warranty agreement - Setting and readout options using optional Grundfos GO diagnostic and remote control unit - 5-year warranty by submitting the commissioning report generated with Grundfos GO - Operating modes for twin pumps: Alternating/Standby/Parallel - Wireless communication between pump heads of a twin pump or two single pumps Conveyed medium: Conveyed medium: Water Medium temperature range: -10 .. 110 Celsius Medium temp. at data acquisition: 60 Celsius Density: 983.2 kg/m3 Technical data: Nominal flow rate: 18.71 m3/h Nominal delivery head: 6.334 m Temperature class: 110 Approvals: CE, VDE Materials: Pump housing: Cast iron Pump casing: EN 1561 EN-GJL-250 Pump housing: ASTM A48-250B Impeller material: Composite material Installation: Ambient temperature: 0 .. 40 Celsius Max. operating pressure: 10 bar Connection type: DIN Connection size: DN 50 Nominal pressure rating: PN 6/10 Installation length: 280 mm Electrical data: Maximum power consumption P1: 498 W P1 min.: 20 W Mains frequency: 50 / 60 Hz Rated voltage: 1 x 230 V Minimum current consumption: 0.22 A Maximum current consumption: 2.3 A Max. speed: 4230 1/min Protection class (according to IEC 34-5): X4D Insulation class (IEC 85): F Other: Energy Efficiency Index (EEI): 0.17 Net weight: 18 kg Gross weight: 19.7 kg Shipping volume: 0.046 m3 Country of origin: DE Customs tariff no.: 84137030 Approvals: WEEE
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