2. the scope of maintenance.2.1 recommendations for Cooling Tower maintenance2.1.1 water Softener should be controlled prior to refilling Cooling system is logged in, there is a value in the standard (20 ppm Total Hardness <.) by doing the following:-Regenerate Resin when the value exceeds the standard hardness by the owner to use, by Hardness Indicator changes color from blue to purple or pink.
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