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B. MEMBRANE CLEANING
WARNING: HANDLE CARTRIDGES WITH CARE. WEAR EYE PROTECTION,
GLOVES AND PROTECTIVE CLOTHING WHEN INSTALLING AND
REMOVING CLEANING CARTRIDGES.
ATTENTION: WHETHER THE R.O. MEMBRANE NEEDS ACID OR ALKALINE
CLEANING WILL DEPEND ON THE TYPE OF FOULANT. ACID
CLEANING REMOVES MINERAL SCALING AND ALKALINE
CLEANING REMOVES ORGANIC FOULING. IT IS RECOMMENDED
THAT ACID CLEANING BE PERFORMED FIRST EVEN IF ALKALINE
CLEANING IS DESIRED. IF SYSTEM PERFORMANCE RECOVERS
WITH ACID CLEANING, THEN ALKALINE CLEANING IS
NOT NECESSARY.
ATTENTION: YOUR DISTRIBUTOR SELLS A CLEANING STARTER KIT, WHICH
INCLUDES A 20” HOUSING, TUBING, AN ACID CLEANING
CARTRIDGE, AND AN ALKALINE CLEANING CARTRIDGE, FOR
SUBSEQUENT CLEANINGS, YOU CAN REUSE THE HOUSING AND
THE TUBING AND ORDER ONLY THE CLEANING CARTRIDGES. ON
THE CLEANING CARTRIDGE, THE SIDE WITH THE WASHER IS THE
SIDE THAT FACES UP.
1. Remove the cap on the back pressure valve and loosen the lock nut on the adjusting bolt (diagram 8).
2. Vend enough water from the bay to drop water level to the refill level. This will cause the R.O.
pump to operate.
3. With the R.O. Pump (located at the base of the cabinet, diagram 9) running, turn adjusting bolt on the
back pressure valve until the pressure shown on the pump gage drops to between 20 and 50 psi.
Tighten locknut and replace cap on the back pressure valve. (see diagram 10)
adjusting bolt
lock nut
back pressure
valve
diagram 8