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With the new membrane in place it is important to verify the ppm (parts per million) reduction
rate of the purified water being produced 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.
TIP
Follow the instructions in Figure 30 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 10-15 minutes of purified (permeate) water flowing out of
the blue tube to show the ppm reduction rates described in Fig. 30 and just after Fig. 30. 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 on the previous page (Fig. 33 - 35)
to remove and re-insert the same R.O. Membrane. Then re-test the permeate water for ppm reduc-
tion percentages.
If you are done replacing filters for now, you can re-pressurize your system by turning on the feed
water line via the Manual Shut-Off Valve. Please note: 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 6
gallons of water before you start using the water from the new membrane. To do this let your 3 gallon
tank fill and empty it using the faucet. Do this twice. This concludes the steps to change the Reverse
Osmosis Membrane of your system. Remember to mark on your calendar when to change these
again and check for any other filters that may need changing at this time in the Aquarium II Dual Filter
Change Schedule starting on page 19.
page 24 | Maximus II Installation Instructions 05/13 | www.aquasafecanada.com
D.I. Resin Canisters - How to change the D.I. Resin Beads
In order to change the D.I. Resin of your three 6oz D.I. Resin Canisters, you will need to have on hand
the replacement D.I. Resin beads. If you do not have the needed replacement D.I. Resin Beads, you can
easily and securely order a 24 oz bag of replacement resin from our online store.
Figure 36a
1
Depressurize your system (see Fig. 29)
Replacing the D.I.
2
Remove (see Fig 10) the blue tubing from
Resin Beads
both ends of the D.I. Resin Canister you are
going to work on.
RO/DI
permeate
water
NOTE:
Back View -
hanging
bracket
not shown
for clarity
4
Allow the water to
drain from the
canister by
positioning the
canister vertically
over your sink or
the like.
7
When the new D.I. Resin has entirely lled the DI Canister, inspect the threads of the DI canister and remove any
resin beads which have found their way into the threads of the canister. Also rinse out the blue end cap with
water.
Tighten the blue end cap back into its place with reasonable force. You can now position the D.I. Resin Canister
8
back into its normal place on the Reverse Osmosis System by pushing the canister down onto its canister clips.
Repeat for second and third D.I. Canisters.
Reinsert the blue tubing into the elbows on both sides of the D.I. Resin Canister. Turn on the Manual Shut-O
9
Valve and Tank Top Valve to repressurize your system.
This concludes the instruction for changing the D.I Resin canisters of your Aquasafe Reverse Osmosis
System.
www.aquasafecanada.com | Maximus II Installation Instructions 05/13 | page 25
3
Now pull the D.I. Canister out of its canister clips
to saddle clamp/drain
feed water in
Manual
Shut-O Valve
in "OFF" position
Dispose of the old D.I. Resin
6
5
Beads and re ll the now
empty D.I. Resin canister with
Remove one of
the new D.I. Resin Beads.
the blue end
caps by turning
NOTE: It is important to
the blue end
pack the resin into the
cap counter
canister tightly. To ensure
clockwise.
this, hold the canister
vertically (straight up and
down) and ll half way and
then tap the canister lightly
on a surface which will act
to compact the resin into
place. Fill to the top then
tap again. Top up any air
space left with resin.
Tap down lightly
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