Ecocirc® D5solar DC pump
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Ecocirc D5solar DC pump THE MULTI-AWARDED DC SPHERICAL MOTOR PUMP FOR DIRECT CONNECTION TO PHOTOVOLTAIC PANELS

Ecocirc D5solar design Stator with high efficiency technology, integrated MPP Tracking, overtemperature protection and soft start-up Screw ring Ceramic bearing ball Permanent magnetic rotor/impeller unit Soft start at very low insolation (soft start algorithm, less than 1 Watt required) Economical and powerful Long life, blockage free and maintenance free RF suppressed Protection against reverse polarity 02

Design. The principle of the spherical motor is fundamentally different from conventional canned motor pumps. The only moving part in a spherical motor is a hemispherical rotor/ impeller unit, which sits on an ultra-hard, wear-resistant ceramic ball. There are no conventional shaft bearings or seals. This rules out, in effect, the possibility of play in the bearings and the increase in noise associated with it. These pumps are particularly robust and give exceptionally long service. The selfrealigning bearing is lubricated and cooled by the media. Maintenance is not necessary under normal...

Technical Data. Motor design Electronically commutated spherical motor with permanent magnet rotor/impeller Power consumption* - min. start-up power consumption less than 1 Watt, - max. power consumption 22 W Current draw Acceptable media domestic hot water, heating water, water/glycol mixtures, other media on request**. Insulation class Pump housing material * Power consumption and start may vary in different installations **please check pump performance with more than 20% glycol *** non-freezing, non condensing Model designation. Model Housing material ( B = Brass, N = Noryl) D5solar - 38...

Automatic performance optimization Maximum Power Point Tracking. The Laing Ecocirc D5solar is the rst and only spherical motor pump with selfoptimizing software (see diagram). Every three seconds, the processor will modify its operating point on the voltage-current curve of the PV panel to nd the point of maximum performance. This is called the “Maximum Power Point” (MPP). At this point, the pump achieves the maximum rpm and therefore the maximum performance. There is no need for a separate performance adaptation. The pump will always nd its best operating point under any given light and...

Product range. Highly efcient DC pump with ECMtechnology and permanent magnetic rotor, MPP-Tracking, soft start at very low insolation (soft start algorithm, less than 1 Watt required), integrated overtemperature protection, 8-24 Volt (driven by a 12 Volt panel; if driven by a 24 Volt panel a maximum voltage limitation to 24 V is required), max. input 22 Watt, 0,25 1,46 A current consumption, isolation IP 42 / Class F. Part number Pump housing max. system Housing design temperature and length Product category * integrated check valve and ball valve; ** for connection to 3/4“ union...

Pump curves and dimensional drawings. Dimensional drawings in mm, pump curves at 12 Volt, min. start-up power consumption less than 1 Watt (12 Volt panel), max. power consumption approx. 22 Watts.

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