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Instruction manual for ECOSOFT Robust reverse osmosis system
6.3 MEMBRANE REPLACEMENT
(Performed by water filter service specialist)
1 Shut off feed water valve 5, close pressure tank valve if used.
2 Open purified water faucet 8 to relieve pressure in the system. Remove power
from the system.
3 Unplug white tube from each membrane housing cap. Screw off the housing caps.
Extract used membranes 3 from membrane housings and take note of their
orientation inside the housings.
4 Take new membranes and grease their brine seals and membrane housing cap O-
ring seals.
Caution! Only use food grade glycerol or certified RO membrane compatible
lubricant for greasing the seals to avoid damage.
5 Install new RO membranes in housings observing proper orientation of each.
Caution! Do not remove plastic bag when installing membrane. Make a cut in the
head end of bag and push the membrane out of the bag and into the housing. Do
not touch membrane surface with your hands.
6 Screw on membrane housing caps.
7 Plug white tubes back in the housings.
8 Open feed valve 5. Restore power supply to the system.
9 Let the system run for 30 minutes to flush out membrane preservative. Then, close
purified water faucet and open pressure tank valve if used.
This manual is the intellectual property of, and copyrighted by ECOSOFT SPC LLC. Copying and reprinting is forbidden. © 2015
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