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R.O. ELEMENT CLEANING METHODS
R.O. ELEMENT CLEANING PROCEDURE

TM-10-4610-215-10 Water Purification Unit Reverse Osmosis 600 GPH Trailer Mounted Flatbed Cargo 5 Ton 4 Wheel Tandem Rowpu Model 600-1 Manual
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TM 10-4610-215-10 TM    08580A-10/1 Figure   2-72.   Backwash   Water   Tank (2) After backwashing, adjust brine water level in tank to 7 inches. You may have to drain water from tank or operate ROWPU normally until you obtain 7 inches. (3) Check for 7-inch brine water level with telescoping aluminum mixing paddle. Paddle has a 7–inch mark for checking the brine depth. (4) Remove backwash hose from outlet of the backwash pump and connect VENT VESSELS hose to outlet of the backwash pump. NOTE If in the past, when using the same source water, brine has been very alkaline, then more citric acid may be added to start; however, never let pH of brine drop below 3.5. (5) Remove backwash hose from outlet of the backwash pump and connect VENT VESSELS hose to outlet of backwash pump. (6)  Make  sure  REGULATE  PRODUCT  FLOW  valve  is  open. (7)  Open  VENT  VESSELS  valve.  This  valve  should  remain  open  at  all  times  except  when producing  purified  water. (8) Check to see that the valve on the bottom of backwash water tank is fully open (turned fully to the left until it stops). 2-77







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