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Step 3. Remove the old R.O. Membrane and inserting the new R.O. Membrane (Fig. 28)
1
Removing The Old Membrane: You will now be able to
see the Reverse Osmosis Membrane inside the R.O.
Membrane Housing. The membrane can swell inside its
Figure 28
housing making it di cult to remove by hand. Use a pair
of needle nose pliers (or the like) to grab hold of the
Removing the
1 inch white cylinder protruding from the base of the
R.O. Membrane
and inserting the
new one
Please note: The R.O. Membrane needs to be inserted as firm-
Figure 29
ly as possible to ensure a proper seal is formed. For the R.O.
Membrane to function properly it is extremely important for
Screw on the
the two small "O" rings on the tip of the R.O. Membrane to seal
R.O. Membrane
properly inside the R.O. Membrane housing. To gain added
housing cap and
leverage you can use a pair of needle nose pliers (or the like)
re-insert the
to grab hold of the 1 inch white cylinder protruding from the
base of the R.O. Membrane to push in and twist slightly. You
white tubing
will notice the membrane slip further into its housing forming
the necessary seal described.
Next, screw the R.O. Membrane housing Cap back onto it place
and reinsert the white tubing (Fig. 29).
It is important to ensure ppm (parts per million) reduction rate of the purified water being pro-
TIP
duced by the R.O. Membrane. To do this you will need to use your TDS Meter.
Please note: If you do not have a TDS Meter we highly recommend you acquire one as it is the
only way to verify the purity of the water the system is producing.
Follow the instructions in Figure 26 to test your purified water. It is important to note that your
new R.O. Membrane comes saturated with food grade preservative so that it stays fresh and does
not dry out and therefore it may take 3-5 minutes of purified (permeate) water flowing out of the
blue tube to show the ppm reduction rates described in Fig. 24 and just after Fig. 24. If, after 15
minutes, you do not see the reductions rates as descibed it simply means your R.O. Membrane is
not seated properly inside the R.O. Membrane housing and as such you will need to "re-seat" the
R.O. Membrane. To do this simply follow the directions depicted above (Fig. 27 - 29) to remove and
re-insert the same R.O. Membrane.
Step 4. Flush the new R.O. Membrane
If you are done replacing filters for now, you can re-pressurize your system by turning on the feed wa-
ter line via the Manual Shut-Off Valve and turning the tank top valve back on. Your new R.O. Membrane
comes saturated with food grade preservative so that it stays fresh and does not dry out and therefore
it is wise to flush 2 tanks of water before you starting drinking the water from the new membrane.
Allow the tank to fill and empty this down the drain via the faucet. Allow the tank to fill one more time
and drain this as well. You can now enjoy your purified water once more. This concludes the steps to
change the Reverse Osmosis Membrane of your system.
page 20 | Home II Installation Instructions 05/13 | www.aquasafecanada.com
membrane and pull out the old R.O. Membrane.
2
Inserting the new R.O. Membrane: Your R.O.
Membrane comes sealed for freshness in a clear
protective plastic. Remove your new membrane
from its protective plastic. Insert your new R.O.
Membrane into the R.O. Membrane housing of your
system. The end of the R.O. Membrane that has the
two small "O" rings gets inserted rst.
RO
MEMBRANE
Screw the R.O. Membrane
housing cap back onto it place
and reinsert the white tubing.
Small Canister
Wrench
re-connect
this white tube
to the elbow
Side View
to tank
elbow
NOTE:
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