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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 REVERSE OSMOSIS (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 RESELLER SELLS A CLEANING STARTER KIT, WHICH
INCLUDES A 20-INCH (50.8 cm) 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 locknut on the adjusting bolt (refer to diagram
8).
2. Vend enough water from either bay to drop water level to at least 10 gallons (37.85 liters) below the fill level.
This will cause the R.O. pump to operate.
3. With the R.O. pump (located at the base of the cabinet, refer to diagram 9 on page 28) running, turn
adjusting bolt on the back pressure valve until the pressure shown on the pump gauge drops to between 20
(1.37 bars) and 50 PSI (3.44 bars). Tighten locknut and replace cap on the back pressure valve. (Refer to
diagram 10 on page 28).
DIAGRAM 8
Dispensing Pump
Drain Pump