In a video presentation offered on its web site and YouTube, Redi Controls Inc., Greenwood, Ind., describes how its purger regains chiller capacity and provides energy savings by helping to eliminate the effects of oil migration during chiller operation.



In a two-part video presentation offered on its web site and YouTube, Redi Controls Inc., Greenwood, Ind., describes how its Oil-Acid-Moisture (OAM) Purger regains chiller capacity and provides energy savings by helping to eliminate the effects of oil migration during chiller operation.

Oil invariably finds its way into the evaporator, where it mixes with the refrigerant, degrading system efficiency and capacity, says Redi's Mark Key. The evaporator tubes become coated with oil and the heat transfer efficiency is retarded, and this drastically reduces the cooling effect. According to Key, studies have identified excess oil on the refrigerant side of a chiller as a leading contributor to chiller inefficiency.

The purger cleans the chiller's refrigerant charge to only a trace level of oil, according to the manufacturer, and restores the chiller to peak operating efficiency.

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