Free cooling Lightstream Turbo II now available on R1234ze
Last month, Kaltra added a free cooling version to its Lightstream Turbo II R1234ze range, targeting hyperscale data centers and critical IT infrastructures.
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New Lightstream Turbo II subrange benefit high-lift applications
With the continuously rising demand for cooling in hot climate regions, low-temperature process applications, and heat recovery solutions, Kaltra had busied developing chillers for high temperature lift applications. Efforts were made towards the design of Turbocor-based air-cooled chillers as the most energy-efficient and environmentally sustainable solution.
New Lightstream Turbo II chillers received falling-film evaporators
Recently introduced chiller family based on Turbocor oil-free compressors and distinguished by high energy efficiency and environmental safety, received falling-film evaporators in addition to flooded models.
Kaltra to modernize its air-cooled Turbocor chiller range
Kaltra, the specialist in air-conditioning and heat transfer technologies, modernized its Turbocor compressor-based chillers with air-cooled condensers and presents performance highlights of the series.
The Lightstream Turbo II series is a unique development in the field of demand-responsive chillers, specially designed for variable-load cooling and optimized for the novel lower-GWP refrigerants R1234ze and R513a.
R1234ze chillers bring efficiency to rolling mill facility
As global warming potential becomes more of an issue, a growing number of industries and businesses moving toward new refrigerants. One of the best examples is the recent upgrade completed by Kaltra for ArcelorMittal’s hot strip rolling mill cooling in Belgium. Recently, the cooling system was driven by water-cooled chillers charged with large amounts of refrigerant R134a, which is characterized by high GWP value of 1430.
Kaltra completes the chilled water production project in Canary Wharf
It is well-known that the cooling equipment dominates in energy consumption in commercial buildings. Alongside, electricity prices are increasing around the world, increasing pressure on facility managers to reduce the operating costs incurred by operating chillers. The facility managers at a newly constructed commercial building in Canary Wharf, London, were tasked to build and deploy a central air conditioning system with improved energy efficiency and lifecycle value, and Kaltra was invited to contribute to this task.
Kaltra extends its Powerstream Turbo range with high-capacity models
In response to the rising demand for high-end, energy-efficient cooling solutions, Kaltra has expanded its flagship lineup of Turbocor-based chillers. So far, the customers have been able to pick from the models with the capacity range of up to 1800kW. For increased requirements, Kaltra has added 5- and 6-compressor models to Powerstream Turbo chiller family making it suitable for large commercial and industrial cooling applications with up to 4600kW cooling power per chiller unit. With an ESEER value as high as 10.50 and new control software which optimizes the performance of multi-compressor units, Powerstream Turbo chillers meet the highest demands for energy efficiency at any operating condition.
Highly efficient Turbocor-based chillers
From an energy usage point of view, chillers are the most energy-intensive equipment to run and the key components within a chiller that impact performance and energy consumption are compressors. Turbocor compressors with built-in variable speed control can offer substantial energy savings of 50-60% compared to chillers equipped with fixed-speed compressors. In addition to the stepless capacity control, the Turbocor compressors employ built-in inlet guide vanes to trim the compressor capacity at low loads.
HVAC system modernization on The Parade, Swindon
The main drivers which fuelled the modernization of a cooling plant at 4.000 sq. meter outlet were rising energy bills and a sharp increase in maintenance costs. The original chiller plant which included units contained ozone-depleting refrigerant was in need of replacing with more efficient and quiet equipment. Based on the survey and energy analysis performed by Kaltra engineers, the new equipment necessary to replace the existing equipment for an energy saving modernization was specified, including two 300kW variable speed drive chillers, together with quieter dry coolers.
Lightstream Turbo chiller range extended with highly efficient models
Trending Turbocor-based chiller family by Kaltra has been extended with highly efficient models with extra condenser banks, which enable lower condensing temperatures and 15% higher energy efficiency rates (EER) compared to standard Lightstream Turbo models, as well as reduced noise emission level.
Environment-friendly R1234ze chillers with oil-free centrifugal compressors
The Lightstream Turbo chiller family has been designed with attention to every detail to maximize operational reliability. It is ideally suited to the requirements of mission-critical applications like data centers, telecom facilities and clean rooms, and in every area where reliability is a crucial factor.
Due to its excellent efficiency at part-load conditions, the Lighstream Turbo chiller is a brilliant economy solution for applications where the heat load is not constant or expected to increase.
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