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INSTALLER AND USER GUIDE FOR REVERSE OSMOSIS SYSTEM ECOSOFT ROBUST 1000, ROBUST 3000
6.2. FILTER REPLACEMENT
1
Open purified water faucet while the system is plugged in, close feed water valve, close
pressure tank valve (if installed).
2
Wash your hands with antibacterial soap thoroughly.
3
After water has stopped running from purified water faucet, unplug the RO system from
the mains and screw off three filter housings. Take care as the bowls will be full of water.
4
Remove spent filters.
5
Wash the bowls thoroughly with non-aromatic soap, and then rinse with water.
6
Install new filters in bowls.
7
Unplug feed water tubes from the two first-stage membrane housings and put them in a
container for collecting rinse water. Plug the cord in mains and openfeed water valve 5.
Let enough water through the filters to flush out the carbon fines and dust. When run-
ning water becomes free of carbon particles, close feed water valve. Plug the tubes back
in the inlets in membrane housings. Secure connections with locking clips.
8
Open feed valve and plug the system in the mains. Let the RO system run for some time
with open purified water faucet to wash off carbon fines from carbon post-filter. Close
purified water faucet when water appears clear and free of particulate impurities.
6.3. MEMBRANE REPLACEMENT
Performed by water filter service specialist!
1
Shut off feed water valve, close pressure tank valve (if used).
2
Open purified water faucet to relieve pressure in the system. Remove power from the
system.
3
Unplug tube from each membrane housing cap. Screw off the housing caps. Extract
used membranes 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 the bag and push the membrane out of the bag into the housing. Do not
touch membrane surface with your hands.
This manual is the intellectual property of Ecosoft. Copying and reprinting is prohibited. © 2016
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