Lightstream Freecool

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Kaltra announces the new Lightstream Freecool chiller family

April 18, 2017

 

Kaltra Innovativtechnik, a German-based provider of innovative thermal management technologies and advanced cooling equipment, is excited to announce the launch of the new lineup of freecooling chillers based on frequency-controlled compact screw compressors and microchannel technology adopted for both condensing and freecooling coils.

 

New Lightstream Freecool chillers are equipped with inverter-driven screw compressors, specifically designed to maximize energy efficiency at partial loads while providing continuous speed modulation that facilitates better temperature control with less fluctuation. The control system dynamically manages the various components, including compressors, expansion valve, and fans, via implementation of advanced algorithms, with diagnostics that streamline both system startup and maintenance.

 

The control system of Lightstream Freecool chillers includes ClimateProfile™ - an energy analysis system which balance fans and compressors performances depending on installation site's climate data to reach the maximum possible energy efficiency of the chiller.

 

Lightstream Freecool design features microchannel condensers with 20% larger heat transfer surface and huge capacity microchannel freecooling coils applied in W-shaped banks, resulting in superior energy efficiency in both DX and freecooling operating modes.

 

Applying the microchannel technology to freecooling applications leads to a significant increase of freecooling time. With 12/18°C chilled water temperatures, Lightstream Freecool chillers operate in full freecooling mode at ambient temperature as high as up to +8°C (for Germany climate zones), which is 5°C to 6°C higher than for chillers equipped with traditional water coils. An increase in freecooling time in this way, translates to extraordinary electrical power savings for the end user.

 

Enhanced two-pass flooded evaporators used in Lightstream Freecool design are characterized by closer temperature approach and lower waterside pressure drops, compared to its predecessors.

 

Lightstream Freecool chillers are equipped with RoboClean™: an automatic coil cleaning system which determines the need for cleaning by reading from air differential pressure transmitters and starts coil cleaning procedure when the pressure difference rises above a set point. An automatic heat exchanger cleaning technique allows for maintenance to be performed without shutting down the chiller or dismantling, thus reducing the system downtime incurred by manual cleaning method.

 

Lightstream Freecool chillers accommodate a wide range of applications, including data center and IT cooling, process cooling, air conditioning solutions, and much more.  They feature a wide scope of operation, producing chilled water from -12°C to 20°C.

 

In addition to its feature-rich base design, Lightstream Freecool family offers numerous options and accessories to design tailor-made cooling solutions.

 

As a result of these improvements, the new Lighstream Freecool chillers offer the higher energy efficiency rates (EER) of 3.96 and are able to operate in almost every climate zone, be it as cold as -40C or as hot as +55C.

 

For more information on Lightstream Freecool chiller family call +49 911 715-32021 or visit www.kaltra.de/lightstream-freecool


About Kaltra


Kaltra is a provider of innovative cooling technologies and advanced cooling products for mission-critical applications, such as data centers, cleanrooms, contaminant-free areas, processing plants, and other facilities where reliability and energy efficiency are key factors. Kaltra’s cooling equipment range includes precision cooling systems, air cooled and water cooled chillers, evaporative cooling solutions, dry coolers, and condensers.


For more information on Kaltra and its products call +49 911 715-32021
or visit www.kaltra.de
 

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Kaltra Innovativtechnik GmbH


Max-Reger-Str. 44
90571 Schwaig
Germany


Email: info@kaltra.de
+49(0)911 715 32021

VAT: DE300943964

Kaltra is a customer-focused developer and supplier of reliable, energy efficient thermal management equipment and solutions.

 

From the professionalism of our research and development engineers to the wide experience of our service team, we are dedicated to delivering you the best service possible.

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