BWT Infinity M Installation And Operating Manual (28 pages). Backwashing filter 3/4" - 2" (DN 20 - 50). Brand: BWT | Category: Water Filtration Systems | Size The Infinity backwash filters are used for filtration of drinking and industrial water to protect the wa- ter mains and the connected fittings, equipment,. The F76S is a high flow capacity water filter used at point-of- entry (POE) to remove sediment and debris from residential or commercial water systems. manuale del ciclo di lavaggio, con ritorno in servizio. During the service phase, the water for filtration passes The backwash-. Limestone contactors are used to neutralise the pH and to add calcium and bicarbonates to acidic waters such as groundwater, rain water or Reverse Osmosis Manual cleaning of filter using high water pressure or steam should be For the manual backwashing of the Automatic 'Lake' filters with two 3-way 8 дек. 2012 г. — Installation Installation and and operating operating manual manual GB Differenzdruck-Steuerung. Backwashing Backwashing filter. filter. 3. Transparent inspection cylinder with filter element. 4. DT-connection for rinsing water. 5. Rotary control knob for backwashing. BWT R1 HWS (hot water of pool water will be discharged during filter backwashing. This manual contains critical safety information that must be provided to the end user.