Instruction manual for ECOSOFT Robust reverse osmosis system | 17
This manual is the intellectual property of, and copyrighted by ECOSOFT SPC LLC. Copying and reprinting is forbidden. © 2015
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.
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