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INTRODUCTION �rX The CSF series of treatment systems are designed for the removal of contaminants from waste water used for pressure washing, and to allow the water to be reused. The system removes settleable and filterable contaminants from the water. If further treatment of the water is required, please consult your Alkota dealer who can supply equipment which can be added to the CSF systems. You should familiarize yourself with the various components in the system by referring to the assembly drawing in the appendix section of the manual prior to reading the remainder of this manual. SYSTEM DESCRIPTION The system operates in three stages to remove contamination from the water. 1. Waste water after storage in a storage vessel such as a sump or tank, is pumped to the coalescer section of the system, where free oil is removed in a liquid form. This oil passes out of the coalescer, and is stored in a suitable vessel for future disposal. The coalescer also provides for the settlement of heavy sludges which must be manually drained from the sludge collection area of the vessel periodically. 2. The water now passes into the treatment tank, from where the circulating pump continuously passes the water through the sand filter which removes solids, and then returns it to the treatment tank. Chlorine (or another recommended biocide) is added to the water to prevent the buildup of bacteria and/or algae in the water. Periodically, the pH of the water must be checked. 3. As water is required for reuse or further treatment, it passes through the polish filter and then out of the system. Periodically as required, the sand filter is backwashed, and the accumulated sludge is normally returned to the storage sump/tank where it settles for future disposal, or to another filtration device such as a bag filter. A small flow of water is returned to the storage sump/tank to allow for biological control of the water in the sump/tank and the coalescer. IMPORTANT.- IT IS IMPORTANT THAT SITE CONDITIONS ARE OPTIMIZED FOR ANY WATER TREATMENT SYSTEM TO OPERATE EFFECTIVELY. SEPARATE INSTRUCTIONS ARE AVAILABLE FROM YOUR RETAILER OR FROM THE FACTORY AS TO THE 5 ww��wwd i.