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TRG-TRC016-EN 7
period one
Types of Water Chillers
notes
A major advantage of using an air-cooled chiller is the elimination of the cooling
tower. This eliminates the concerns and maintenance requirements associated
with water treatment, chiller condenser-tube cleaning, tower mechanical
maintenance, freeze protection, and the availability and quality of makeup
water. This reduced maintenance requirement is particularly attractive to
building owners because it can substantially reduce operating costs.
Systems that use an open cooling tower must have a water treatment program.
Lack of tower-water treatment results in contaminants such as bacteria and
algae. Fouled or corroded tubes can reduce chiller efficiency and lead to
premature equipment failure.
air-cooled or water-cooled
Maintenance
▲ Water treatment
▲ Condenser tube brushing
▲ Tower maintenance
▲ Freeze protection
▲ Makeup water
cooling tower
cooling tower
Figure 10