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www.aquasafecanada.com   |   Maximus II Installation Instructions 05/13   |   page 11

page 10   |   Maximus II Installation Instructions 05/13   |   www.aquasafecanada.com 

Next repeat the process in sequence 
for the third D.I Canister (Fig. 16). You 
can rotate the canisters on their clips 
to make room for this last one. Screw 
another elbow into the left side of the 
last D.I. Canister. Use the second piece 
of  4 in blue tubing to connect this el-
bow with the unconnected one on the 
second D.I. Canister (step 2, Fig. 16). 
Then on the right side of the third D.I. 
Canister, insert the last elbow from the 
Small Parts Bag into the “OUTLET” side 
of the third D.I Canister (step 3, Fig. 
16). Remember to apply 4-7 wraps of 

Teflon tape. 

10.0  Installing the Final Polishing Filter

Push the two remaining canister clips (found in the Large Parts Bag) onto the R.O. Membrane housing 
in preparation for the Final Polishing Filter (Fig 18). The space is limited for all three DI stages and the 
Final Polishing filter, but they will all fit.  The configuration that we found works best is to have the final 
polishing filter mounted in front of all three DI resin Canisters.

Now push the Final Polishing Filter into the canister clips (Fig. 18). The direction of the Final Polishing 
Filter is important. DO NOT HAVE THE TEXT UPSIDE DOWN. The arrow on the filter indicates the direc-
tion of water flow. Take the male “T” adaptor from the Small Parts Bag and screw it into the right side of 
the Polishing Filter. Then take the straight male adaptor from the small parts bag and screw it into the 
left side of the Polishing Filter. (Fig 18)  Remember to apply 4-7 wraps of Teflon tape.

 

Take the last of the three 4 inch piece’s of blue tubing from the Small Parts Bag and insert one end of 
the 4 inch blue tube to the top of the “T” adapter and the other end to the Elbow adapter on the right 
side of the third D.I. Canister. (Fig. 19).

Figure 17

Connecting 

the three D.I. 

Canisters

Use the 4 inch pieces of blue tubing to connect 

the first and second D.I. Canisters as shown 

and the second and third 

D.I. Canisters

(filters shown 

side by side and 

without canister 

clips for clarity)

Figure 16

Attaching the 3rd 

D.I. Canister and 

its adaptors

1

2

Push 2 more canister clips onto the

R.O. Membrane housing and push

the third D.I. Canister into place 

Connect another elbow to the left side

of the third D.I. Canister and connect it to

the second D.I. Canister using a 4 inch

length of blue tube

3

Connect the last 

elbow to the 

right side of the 

third D.I. Canister

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D.I. Canisters

rotated back

to make room

elbow 

elbow 

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The Final Polishing Filter remineralizes 
your water to ensure it has a full-bod-
ied taste. Because of this the ppm of 
the water dispensed at your Aquasafe 
faucet will be higher than that coming 
out of the D.I. Canisters.

11.0  Prepare the R.O. Water Holding Tank

The R.O. Water Holding Tank has an air bladder and a water blad-
der inside it. The air bladder comes pre-set from the factory at 7 
PSI for your convenience. CAUTION: Changes to the PSI of the 
air bladder inside the R.O Water Holding tank may cause harmful 
back pressure which can result in the Auto Shut-Off Valve (ASV) 
malfunctioning.  As such, please do not attempt to adjust the air 
pressure of your R.O Water Holding tank.

Please note:  For your convenience, the R.O Water Holding tank 
can stand up or lay horizontal to conserve space if necessary.

Screw the tank top valve found in your Small Parts Bag onto the 
threads found on top of the R.O Water Holding Tank (Fig. 20).   

Remember to apply 4-7 wraps of Teflon tape to the thread of 

the tank itself.

PLEASE NOTE: The long length of blue tubing used to flush your 
prefilters is the tubing you will use to hook up both the water 
storage tank as well as the dedicated Reverse Osmosis faucet 
that came with your system.

You will need to cut this length of blue tubing in two pieces accordingly.  The length of tubing used to 
hook up your kitchen faucet (which will be attached to the left side of the Polishing Filter) will prob-

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1

2

Push the last canister clips onto the

R.O. Membrane housing and push

the Final Polishing Filter into place 

Connect the straight male adaptor to the left side

of the Polishing Filter

3

Connect the 

male ‘T’ adaptor 

to the right side of the 

Polishing Filter

Final Polishing Filter

D.I. Canisters

rotated back

to make room

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Final Polishing Filter

male ‘T’ adaptor 

straight

male adaptor 

Figure 18

Attaching the 

Final Polishing 

Filter and its 

adaptors

Figure 19

Attaching the 

Final Polishing 
to the 3rd D.I. 

Canister

Final Polishing Filter

Use the 4 inch piece of blue tubing to connect the 

3rd D.I. Canister and the Final Polishing Filter as shown. 

(filters shown 

side by side and 

without canister 

clips for clarity)

3rd D.I. Canister

Figure 20

Attach the tank 

top valve to the 

R.O. Water  

Holding Tank

Summary of Contents for Aquarium II Dual R.O./D.I. System

Page 1: ...commend a fully automatic booster pump which is found on our websites general parts and accessories page We also highly recommend a booster pump if your water is extremely turbid with ppm counts beyond 600ppm The installation instructions that follow are extremely detailed if a leak is experienced during installation please see the Leak Prevention Section on page 18 ATTENTION It is extremely impor...

Page 2: ...l Reverse Osmosis System COMBO 1 0 Relax take your time You will find this process easy and straight forward 1 2 0 Take everything out of the box 2 3 0 Remove the protective plastic from the prefilters 2 4 0 Inserting the R O Membrane 3 4 1 Inserting the pre filter elbow adaptors 3 5 0 Preparing the Feed Water to your system 3 5 1 Special note about braided wire plumbing 4 5 2 Installing the Needl...

Page 3: ...s water inlet side water outlet side Figure 5 Screw elbow adaptors into inlet and outlet of the pre filter housings www aquasafecanada com Insert blue RO Membrane into housing Screw cap on housing 1 2 Membrane housing blue RO Membrane Cap Figure 4 Inserting the R O Membrane in to its housing TIP 2 0 Take everything out of the box Examine the contents of the Large and Small Parts Bag against the di...

Page 4: ...view 5 1 Special note about braided wire plumbing Please Note DO NOT ATTEMPT TO INSTALL THE NEEDLE PIERCING SADDLE CLAMP TO BRAIDED WIRE PLUMBING Fig 6 You can install the needle piercing saddle clamp to all other forms of cold water lines found under the common sink just not the kind of plumbing de picted in Fig 6 The braided plumbing in Fig 6 is too soft a material and will therefore not allow f...

Page 5: ... for clarity 1 2 Put a bowl or bucket under the short piece of blue tubing coming out of the ASV to catch the PERMEATE water cleaned by the R O Membrane E Z Flush Flow Restrictor Close the E Z Flush Flow Restrictor and turn the Manual Shut Off Valve on blue tubing Manual Shut Off Valve to water supply 3 Figure 12 Preparing to set up the E Z Flush Flow Restrictor You can now turn your home s emerge...

Page 6: ...n do ing this timed measurement the permeate water should take three times as long to fill the same volume over that of the brine water 3 1 Ratio We do not recommend anything over a 1 1 ratio as it is extremely important for the R O Membrane to have adequate BRINE flow to be able to flush away the harmful particulates it is removing while filtering the water A setting near to or at 1 1 ratio is on...

Page 7: ... I Canister and connect it to the second D I Canister using a 4 inch length of blue tube 3 Connect the last elbow to the right side of the third D I Canister www aquasafecanada com D I Canisters rotated back to make room elbow elbow www aquasafecanada com The Final Polishing Filter remineralizes your water to ensure it has a full bod ied taste Because of this the ppm of the water dispensed at your...

Page 8: ...mply press the saddle clamp firmly onto the drain in order to catch the bolts on the opposite side TIP Figure 23 Assembling and attaching the drain saddle clamp rubber gasket quick connect fitting drain pipe yellow drain line Insert yellow drain line into quick connect fitting rubber gasket 1 2 Remove the backing from the gasket and stick it to the inside of the saddle clamp making sure that the y...

Page 9: ...ver use it again you would probably be better off either renting the equipment or calling in a Pro Most glass installers have diamond drills and all vendors of stone have them Some will rent it out as will Rent All stores Start the hole by drilling a hole in a piece of scrap wood This will serve as a guide Hold the piece of wood and let the diamond drill bit do the work DO NOT push down or apply p...

Page 10: ...all the PSI Meter onto your system there one area where installing the PSI Meter on your system can be of use Option 1 If you are on a well water system and you think you may have lower then 50 psi through out your home s plumbing a good place to install the PSI Meter is on the feed water line to your Reverse Osmosis System between the Manual Shut Off Valve and the inlet to the first pre filter ho...

Page 11: ...II Dual System Filter Change Schedule Pre Post filters Defined as the filter stages Pre before RO Membrane and Post after RO Membrane Stage 1 2 3 Pre Filters When to conduct a filter change Stages 1 2 and 3 are your system s pre filters which need to be changed every 1000 gallons of purified water produced The average household consumes 3 5 gallons of drinking and cooking water daily At 5 gallons ...

Page 12: ...er back ON with the Manual Shut Off Valve NOTE Back View hanging bracket not shown for clarity Manual Shut Off Valve in OFF position E Z Flush Flow Restrictor feed water in yellow tubing to discharge saddle clamp 3 TDS Meter Figure 29 How to depressurize your system Figure 30 Testing your permeate water with the TDS meter WARNING Are you unsure when you last replaced your R O Membrane Because the ...

Page 13: ...re filters for 10 15 minutes 4 5 feed water in yellow tubing to discharge saddle clamp DONE After the 10 15 minute flush turn Manual Shut Off Valve back OFF and reconnect the white and yellow tubes to their original positions If this is the only filter change you are doing at this time you can turn the Manual Shut Off Valve and Tank Top Valve back ON and you are to faucet 3 Way T www aquasafecanad...

Page 14: ...y 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 Off Valve and Tank Top Valve to repressurize your system Figure 36a Replacing the D I Resin Beads If you are done replacing filters for now you can re pressurize your system by turning on the feed wate...

Page 15: ...ceeds 113 F 45 C The membrane is not subjected to a pH lower then 4 or higher then 11 The membrane is exposed to water pressure greater then 150 psi The membrane is allowed to dry out after its initial wetting The Membrane should always be kept moist after its initial exposure to water If the membrane is exposed to greater than 1500 PPM water BOOSTER PUMPS Reverse Osmosis Booster Pumps are warrant...

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