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AFW RO System Manual                                                                 

 [4]

 

Revised 9/09 

©Abundant Flow Water System, Inc. 2009

 

hole in the sink rather than the 1/2" hole required by the standard RO faucet. To make the 1-1/4" 
hole required for an air gap faucet special tools (such as a chassis punch or a Relton cutter) are 
required if a large enough hole is not already available. Contact your local plumber or contractor if 
you are unable to make the required hole yourself. If an air gap faucet is required, we provide a 
number of different style and color options, contact us for pricing and availability.  
 
Once the faucet location has been prepared, move on to the next step: Mounting the Faucet. 
 

Mounting the Faucet:

 

 

1. 

Remove all parts from the RO faucet shank. Using the 

diagram at right, gather the pieces shown. 

NOTE: 

The diagram 

is for the standard RO faucet, an upgraded faucet may look 
slightly different than the one pictured, but the parts should be 
similar.  

2. 

Place color matched washer onto faucet shank, followed by 

the small rubber washer. Position the faucet in the mounting 
location by sliding the shank through the mounting hole. 

3. 

On the underside of the mounting hole, slide the large rubber 

washer and locking washer in place, then tighten the faucet nut 
in place until secure.  

4. 

Once your system is installed, you can hook up the product 

line to the faucet. To do so, slide the line nut over the product 
line, followed by the ferrule, then push the insert into the end of 
the line. Once that is done simply push the end of the product 
line into the bottom of the faucet shank as far as it will go, then 
tighten the line nut to secure it in place. 
 

Storage Tank: 

As the RO system makes water it pushes it into a tank to store 
it, and a pressurized bladder in the tank pushes it back out 
(through the same opening) when requested (such as opening 
the faucet). The large male threaded fitting on one end of the 
tank is the inlet 

and

 outlet of the tank. A pressure valve on the 

side of the tank (usually covered with a blue screw-on cap) is 
used 

only

 for checking and adding air to the bladder. The tank 

is shipped with 4-6psi of air pressure in the bladder, and is sufficient in most cases. Pressure may 
be increased to 

no higher than 10psi when the tank is empty

this will cause water to come out 

of the faucet a little faster if so desired. NOTE: As the tank is emptied, pressure from the faucet 
will decrease, this is normal. 

 
 
To Prepare the Tank: 
1. 

Wrap the threaded nipple on the end of the tank with 6-7 wraps of Teflon tape. 

2. 

Install tank ball valve on prepared nipple, tightening hand tight only. Once your system is 

connected, your tank line will connect to this fitting 

 

Summary of Contents for RO/DI Combo System

Page 1: ...2261 Schoenchen Road Pfeifer KS 67660 785 735 9769 www afwfilters com Installation Service Manual RO DI Combo System...

Page 2: ...Set _____________________ Replacement filters available online at http www abundantflowwater com products ReplacementFilters php Printable instructions available online at http support afwfilters com...

Page 3: ...n ______________________________________________________________ 5 Drain Saddle Installation _____________________________________________________________ 5 Connecting the system _____________________...

Page 4: ......

Page 5: ...rane 4 Optional UV Ultra Violet Filter 5 Pressurized Storage Tank 6 DI Filter 7 Inline Post Filter 8 Faucet The replacement filter set for the standard RO DI Combo system is RODIFK If the optional UV...

Page 6: ...list is just a start reading through the instructions and determining where you are installing the system will give you a better idea of everything needed 8 Ensure the following conditions are met Fee...

Page 7: ...ot interfere with anything below and position the faucet so it will empty into the sink and can swivel freely for convenience Once you have confirmed your faucet location you may proceed with drilling...

Page 8: ...nut in place until secure 4 Once your system is installed you can hook up the product line to the faucet To do so slide the line nut over the product line followed by the ferrule then push the insert...

Page 9: ...e slip joint adapter fits onto faucet shank and tighten slip joint adaptor to faucet shank If washer in flex line is worn or damaged replace before continuing to prevent any leaks Re install cold wate...

Page 10: ...onto it Repeat on the other side Position the fitting on the fitting half of the saddle over the drilled hole and seal and evenly tighten both nuts being careful not to over tighten Once your system i...

Page 11: ...sion fitting that comes with the faucet slide the nut over the tube followed by the ferrule placing the insert into the end of the tube push the tube into the faucet shank and secure by tightening the...

Page 12: ...n membrane size and water pressure shut the faucet off 8 Allow the system to fill the tank Depending on the system and water pressure this can take anywhere from 1 5 hours 9 Once the tank has filled o...

Page 13: ...ollow the instructions below opening the faucet and collecting the water from the tank after turning the feed water off 1 Turn off the feed water supply by closing the angle ball valve The valve is cl...

Page 14: ...ed open the faucet allowing all the water to drain until flow from the faucet is down to the slow drip or stream seen in step 10 This flushes the system cleaning the filters and preparing them for use...

Page 15: ...ed off 12 If the system was unhooked to change the filters hook it back up now Open the angle ball valve on the feed water line and open the tank ball valve 13 Open the faucet tilt the system back and...

Page 16: ...system was installed with enough tubing to do so simply pull it out to where it can be worked on If the system does not have enough tubing you will need to disconnect the lines to pull it out When cha...

Page 17: ...embrane to the single fitting end of the membrane Flow should be the same as in the previous step If not the auto shut off is defective and needs replaced If flow is fine move to IV IV Check the waste...

Page 18: ...heck the faucet for obstructions Waste Water Not Shutting Off 1 Make sure pre filters are clean dirty filters reduce pressure to the membrane which decreases output pressure If you system is not provi...

Page 19: ...to scale Check valve Sediment Filter Solid White DI Filter Filled with beads Carbon Block Mesh Covering Flow Restrictor To Drain YELLOW Line Membrane Housing To Tank Clear Line Feed Water RED Line I...

Page 20: ......

Page 21: ...e must be between 40 and 80 pounds per square inch Incoming water temperature cannot exceed 105 F 40 5 C Incoming TDS Total Dissolved Solids not to exceed 2000 PPM Use of Vaseline or petroleum based l...

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