Watercooled chillers are available in a wide range of sizes from 20 tons to several thousand tons of cooling capacity. Systemas absorption groups are able to provide cooling energy for air conditioning during the summer, but also heating energy, for the heating during the winter and for the production of sanitary hot water during all the year, with low elec trical consumption. The intellipak chillers unit control module ucm is an innovative, modular microprocessor control design. Available from 700 kw to 10,370 kw and with a worldclass cop of 6. The evaporator in a centrifugal water cooled chiller is usually a shell and tube heat exchanger. A status bar is displayed at all times on all screens. The impeller 8 is mounted on the pump shaft 5 with roller bearings 7 in either overhung or center hung arrangement. A spindle chiller is a worthwhile investment that extends spindle life, protects accuracy, increases the machines capacity, and reduces maintenance costs. The latitudetm series of aircooled chillers uses the best of modern screw compressor design and manufacturing techniques and combines them with the latest in a long line. The aquaforce 30xw screw chiller controls communicate in easy to understand english, making it as easy as possible to monitor and control each chiller while maintaining fluid temperatures. It coordinates the actions of the chiller in an efficient manner and provides standalone operation of the unit. New watercooled chillers commonly use one of three types of compressors.
Model ys rotary screw liquid chillers design level e. The cwehwe series is designed specifically to meet industrial and commercial process cooling and heating requirements. Fundamentals of chiller plant design daikin applied. Product aquaforce data watercooled liquid screw chillers. However, some parts of the industry also described chiller efficiency in reverse. Lg electronics offer highefficiency chlorinefree, watercooled centrifugal chillers using the r4a refrigerant.
Aircooled screw liquid chillers with variable speed drive. In addition, the operator may view a graphical representation of the historical operation of the chiller as well as the present operation. Chilled water plant design guide december 2009 energydesignresources. Chiller efficiency is measured as a ratio between the cooling capacity and its power input, and is typically described as a coefficient of performance cop. Tipologie 1 chiller i chiller sono gruppi refrigeratori dacqua a compressione e possono suddividersi, in base al fluido utilizzato per il raffreddamento del condensatore.
Controls are also available with french, portuguese and spanish as standard configuration options. The impeller discharges radially into the volute or diffuser 11, which is built into the pump casing. Model yciv style a aircooled screw liquid chillers with. Chiller types and application guide chiller basics, working principle hvac process engineering duration. Competitive aircooled chiller 36 1 12 carrier 30gxn,r 25 3 14 subtle improvements in blade.
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