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NCE ES

NCE ES
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Energy saving circulating pumps for sanitary hot water Construction Energy saving variable speed circulating pump driven by a permanent magnet synchronous motor (pm) controlled by on board inverter. Bronze pump casing. Hot sanitary water systems. Operating conditions - Liquid temperature from +2 °C to +95 °C - Ambient temperature from +2 °C to +40 °C - Maximum working pressure: 10 bar - Storage: -20°C/+70°C UR 95% a 40 °C - Certifications: in conformity with CE requirements - Sound pressure ≤ 43 dB (A). - Minimum suction pressure: 0,3 bar at 50 °C 1,0 bar at 95 °C - EMC according to: EN 55014-1, EN 55014-2, EN 61000-3-2, EN 61000-3-3. - Threated ports ISO 228: G 1, G 1 1/4, G 1 1/2. Synchronous motor with permanent magnets. - Motor: variable speed - Standard voltage: single-phase 230 V (-10%;+6%) - Frequency: 50 Hz - Protection: IP 44 - Insulation class: H - Class II appliance - Overload protection (jammed rotor): 1) automatic protection with electronic rotor release 2) overload thermal protector - Cable: phases and neutral - Constructed in accordance with: EN 60335-1, EN 60335-2-51. Series Version DN ports in mm Max. head in dm connection size mm Special features on request Brass unions. Features Energy saving NCE ES is an high energy efficiency product. Compact design The space saving NCE ES facilitate the installation in the smaller systems. Easy to install and to adjust Installing the NCES is considerably simplified by the quick setting and power installation plug. The adjustment is simple and intuitive thanks to the ability to be able to select the optimum working point or mode via a simple LED indicator and switch. NCES features the patented self-cleaning square chamber design, which eliminates any possibility of rotor blockage. Operating range with fixed curves from 0,6 m to 4 m with selection of the optimum working point. Escape routes for impurities inside the rotor

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Energy saving circulating pumps for sanitary hot water Operating modes MANUAL PROGRAMMING (BLUE LED) Setting the switch in any position between the MIN and MAX points, the most suitable operating curve for the installation is manually selected. WARNING! - The red LED indicates that the pump is not rotating but is still under tension. - White flashing LED : plant degassing requirement, air in the system. Characteristic curves

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