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FEATURE REPORT PRODUCT NEWS set free vrf with off coil temperature control Vertiv


Vertiv, formerly Emerson Network Power, has extended the Liebert PCW product family to bring highest energy efficiencies and improved cooling capacities for medium to large data centres. Available in Europe, Middle East, Africa (EMEA), Asia Pacific and South America, the Liebert PCW high chilled water delta T series is designed to maximise freecooling operations at higher temperatures to support entire critical infrastructures, providing partial Power Usage Effectiveness below 1.1.


The range is available from 25 to 220kW and is equipped with the most advanced industry technology designed to maximise efficiency and grant the necessary air supply to the servers. The large cooling capacity of the Liebert PCW high chilled water delta T range has been optimised for water regimes of 20-32°C and supply air temperatures within the latest ASHRAE envelopes. The chilled water system can be enhanced even further when coupled with Liebert AFC adiabatic freecooling chillers, available with both scroll and screw compressors, guaranteeing utmost efficiency and maximising freecooling operation all year round. The integrated Vertiv ICOM control, based on a specific SmartAisle algorithm, adjusts the airflow to the servers’ needs without wasting a single Watt on unnecessary cooling or air movement.


www.VertivCo.com/Thermal-Management Trane


Trane has enhanced its XStream range of water-cooled screw chillers with new, high-capacity RTHF units. These units are a cost eff ective alternative to centrifugal chillers for their critical, large capacity cooling installations.


The RTHF chiller enhances the capacity of the XStream range to up to 3.2 megawatts (MW). The XStream RHTF off ers reliable, high-effi ciency performance with up to 6.3 EER and up to 9.3 ESEER with variable speed. This makes it an appropriate solution for critical applications and buildings such as datacentres, hospitals and district cooling. The design and control features of the new XStream RTHF screw chillers allow for: stable operation in extreme conditions and versatility of operations in comfort or industrial process cooling applications in conditions as low as -12°C on the evaporator side. In addition, dual circuit confi guration, introducing dual circuit chillers to the market segment that could only use single circuit centrifugal chillers. www.trane.eu


WINTSYS is an Outdoor condensing unit, ready-to-install, provided with required electrical components that come pre- installed and dedicated to LBP and HBP commercial refrigeration applications.


Launched in 2009, WINTSYS is dedicated to answer the needs of customers and installers of commercial refrigeration equipment: ■ On-site time saving ■ High effi ciency ■ Value priced


The new WINTSYS brings supplementary benefi ts to users: ■ A higher effi ciency ■ New refrigerant compliance with a dedicated multi-refrigerant range able to run with R134a, R404A, R449A, R452A refrigerants. ■ Improved competitiveness ■ Rugged and visually pleasing design for harmonious integration


WINTSYS is a perfect choice for outdoor applications such as: ■ Convenience stores, gas stations, warehouses and logistics platforms ■ Traditional catering, breweries, fast foods ■ Community and private catering.


www.tecumseh.com Call us today on


020 3901 0912 or visit hitachiaircon.com


Waterloo


Waterloo Air Products has launched a larger Barrel Slot Diff user to give architects and building engineers greater fl exibility in designing air movement systems.


The new CSB 25 Barrel Slot Diff user reinforces Waterloo’s comprehensive range of air terminal devices, by off ering a stylish, multi-directional answer to optimising air fl ow in large spaces.


The CSB 25 Barrel Slot Diff user has 100mm long barrels, which can be positioned to deliver air precisely to the left, right or vertically. This gives building engineers the fl exibility to create dynamic, multi-directional air movement. Waterloo has engineered the CSB 25 Barrel Slot Diff user to be as narrow as possible, giving a sleeker appearance within the overall room design, whilst delivering maximum performance and control. www.waterloo.co.uk


Tecumseh


www.acr-news.com


June 2017 63


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