AMCOT ST SERIES FIBERGLASS COOLING TOWER
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GENERAL MAINTENANCE
Water Treatment
General Data
Water treatment is a major part of the general operation of a cooling tower. Operating a cooling tower
with no water treatment will lead to scale/calcium accumulation in the cooling tower which can cause
blockage to the fill media which in turn will lower performance. In addition, scale can build up and cause
damage to your sprinkler head, sprinkler pipes, and other internal components.
Another concern in cooling towers is bacterial or microorganism growth. The cooling tower’s internal
environment when in operation is warm and very humid which is conducive to biological growth. It is
important that this occurrence be minimized through the incorporation of a biocide within your water
treatment program. Biological growth of most concern is the presence of Legionella. While Legionella is
present in almost all water sources and normally does not pose a threat, there do exist harmful strains
that when those harmful strains are breathed in, it can infect individuals with Legionnaire’s disease
which is a very serious and life threatening respiratory infection.
While Amcot cannot provide specific water treatment guidelines, we recommend that owners consult a
local water treatment specialist whom can provide a water treatment program that is customized to
your specific water conditions and concerns. Many factors are involved in the development of these
programs and those specialists in your local region will be most familiar with the water quality in the
area.
When establishing a water treatment program, it is recommended that a water test of your supply
water be performed. Also, during operation, you should routinely take samples of both your supply
water and the circulating water of the system and test them separately.
Amcot recommends that the following values of various water quality parameters:
WATER ANALYSIS PERMISSIBLE VALUES
SULFURIC ACID ION (H
2
SO
4
)
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