Press Release Summary:
Designed to work directly with power supplied by solar panels, Model D5 Ecocirc Solar pump can be used wherever circulation pump is needed without direct connection to ac power. Features include low power consumption, shaftless spherical motor technology for quiet operation, self-optimizing software, and Maximum Power Point (MPP) tracking for automatic performance optimization. Applications include thermal solar systems for single family homes.
Original Press Release:
Laing Thermotech Introduces the Revolutionary New D5 Ecocirc Solar Pump at the Solar Power 2006 Trade Show Oct 16-20
The first dc spherical motor pump for direct connection to solar panels with automatic performance optimization using maximum power point tracking technology.
Chula Vista, CA October 13, 2006 - Laing Thermotech Inc. recently introduced the exciting new D5 Ecocirc Solar pump, the first pump designed to work directly with the power supplied by solar panels.
"Laing's D5 Solar pump only consumes as much energy as needed and will perform a soft start with as little as 1 W of power " said Laing's CEO, Scott S. Shimer.
The Ecocirc Solar pump can be used wherever a highly efficient circulation pump is needed without a direct connection to ac power. It can be connected directly to a solar panel and is characterized by its small size, high efficiency, very low power consumption and its MPP tracking. The shaftless spherical motor technology enables a long, maintenance-free, and quiet service life. Areas of application are thermal solar systems for single family homes.
The principle of the spherical motor, which was invented by Laing, 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, the possibility of play in the bearings and the increase in noise associated with it. These pumps are particularly robust and provide exceptionally long service. The self-realigning bearing is lubricated and cooled by the media. Maintenance is not necessary under normal conditions and even after lengthy shutdown periods, a reliable start-up is virtually guaranteed. The parts exposed to the fluid are completely corrosion resistant.
The D5 Solar pump has been programmed for a soft start-up. When the solar panel provides sufficient power, the pump first goes through the alignment phase, turning the rotor into the position required for start-up. Then the processor waits until the built-in capacitor has recharged sufficiently. This enables a start-up with minimal power. Cycling due to unsuccessful starting attempts is minimized. Even after prolonged shutdown, the pump will start reliably. The D5 Solar pumps are the first and only spherical motor pumps with self-optimizing software. Every three seconds, the processor will modify its operating point on the voltage-current curve of the PV panel to find 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 find its best operating point under any given light and temperature conditions by itself.
Laing is a leader in hot water circulation technology, offering a full line of low-energy-consumption, fractional-horsepower pumps for residential and industrial use. For more information about the D5 Ecocirc Solar and other Laing products, visit www.lainginc.com or visit Laing Thermotech, Inc. at booth number 426 at the Solar Power 2006 Trade Show in San Jose October 16-20.
About Laing Thermotech Inc.:
Laing Thermotech Inc. is part of the Laing family of companies, which originated in Stuttgart, Germany in the early 1970's with the introduction of unique solar and pump products. Today, Laing primarily focuses on manufacturing fractional horsepower pumps, flow-through heaters, and hydronic heating components. The company's products are sold worldwide, with sales and distribution operations in Germany, Japan and the United States, as well as a manufacturing, sales and distribution facilities in Hungary. Laing employs innovative technologies to create product designs that are reliable, compact, less expensive to install and operate, and easier to service in the field. The company holds a large number of registered patents in consumer, commercial and industrial markets.
For more information, contact:
Bob Hutslar, Sales Manager Plumbing & Heating
(615) 575-7466 Ext. 112
Press Contact: Bill Mcrea
Company Name: LAING THERMOTECH INC.
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