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Thank you for choosing our Ultra 6 Reverse Osmosis drinking water systems. With proper care your water filtration 

system will produce high quality drinking water for many years. The following is a brief overview of the system.

Your Reverse Osmosis System:

Osmosis is the process of water passing through a semi permeable membrane in order to balance the concentration 

of contaminants on each side of the membrane. A semi permeable membrane is a barrier that will pass only certain 

particles like clean drinking water, but not other particles like arsenic and lead. 

Read carefully and follow the instruction in this manual before proceeding with the actual installation. Pay 

particular attention to all warnings, cautions and notes. Failure to do so could result in personal injury or 

damage to the equipment or other property. System and installation need to comply with state and local laws 

and regulations. If you have any questions, please contact us at 800-741-4426 or call your local dealer. 

Your system is a six stage RO which is based upon separate treatment segments within the one complete water 

filtration system. These stages are as follows:

Stage 1 – Sediment filter, recommended change 12 months

The first stage of your RO system is a five micron sediment filter that traps sediment and other particulate 

matter like dirt, silt and rust which affect the taste and appearance of your water. 

Stage 2 – Carbon filter, recommended change 12 months

The second stage contains a 5 micron carbon block filter.  This helps ensure that chlorine and other materials 

that cause bad taste and odor are greatly reduced.  

Stage 3 and Stage 4 – KDF/GAC filter, recommended change 12 months

The third stage contains a KDF/GAC filter. KDF (Kinetic Degradation Fluxion) is a high purity copper-zinc 

formulation which removes chlorine, lead, mercury, iron and hydrogen sulfide from the water. Removing 

these impurities prolongs the life of to Reverse Osmosis membrane. The GAC filter (Granular Activated 

Carbon) has an extremely large amount of adsorption surface area.  The design of GAC promotes high flow 

to the RO membrane while removing chlorine taste and odor as well as reduction of VOC’s.

Stage 5- Membrane, recommended change 2-5 years

Stage five is the heart of the reverse osmosis system, the 50GPD (Gallons Per Day) RO membrane.  This 

semi permeable membrane will effectively remove TDS (Total Dissolved Solids,)

.  

Because the process 

of extracting this high quality drinking water takes time, your RO water treatment system is equipped 

with a storage tank.  

Stage 6- Carbon post filter, recommend change 12 months

The final stage is a high quality carbon filter.  Drinking water enters this filter after the water storage

tank and it is used as a final polishing filter.  

Note: 

Filter & Membrane life may vary based upon local water conditions and/or use patterns.

System Maintenance

Just because you cannot taste it, does not mean that it is not there. Contaminants such as Lead, Chromium and 

Arsenic are undetectable to the taste.  Additionally, over time if you do not replace the filter elements, other bad 

tastes and odors will be apparent in your drinking water.  

It is important to change out your filters at the recommended intervals as indicated in this system manual.  When 

replacing the filter elements, pay special attention to any cleaning instructions. If you have any questions, please 

contact us at 800-741-4426 or call your local dealer. 

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Summary of Contents for Ultra 6

Page 1: ...E MANUAL Under The Sink Reverse Osmosis Systems Ultra 6 KC5000 UDI 11225 St Johns Industrial Parkway N Jacksonville FL 32246 www UDIwater com 800 741 4426 Printed in the U S A Copyright 2014 2023 299244 Updated 10 10 2023 ...

Page 2: ...ced Stage 3 and Stage 4 KDF GAC filter recommended change 12 months The third stage contains a KDF GAC filter KDF Kinetic Degradation Fluxion is a high purity copper zinc formulation which removes chlorine lead mercury iron and hydrogen sulfide from the water Removing these impurities prolongs the life of to Reverse Osmosis membrane The GAC filter Granular Activated Carbon has an extremely large a...

Page 3: ...imum 2 Iron Maximum 0 2 ppm TDS Total Dissolved Solids 1800 ppm Turbidity 5 NTU Hardness Maximum 10 Grains Per Gallon Hardness Recommended hardness not to exceed 10 grains per gallon or 170 parts per million System will operate with hardness over 10 grains but the membrane life may be shortened Addition of a water softener may lengthen the membrane life Copper Tube Reverse Osmosis water should not...

Page 4: ... QTY PART NO DESCRIPTION 1 1 KC5001 ULTRA 6 MANIFOLD 2 1 KC5002 SEDIMENT FILTER 5 MICRON 11 3 1 KC5003 CARBON BLOCK 5 MICRON 11 4 1 KC5004 KDF GAC CARBON FILTER 11 5 1 KC5005 TFC MEMBRANE 11 6 1 KC5006 POST CARBON GAC FILTER 11 7 1 70 3521 TANK SHUT OFF VALVE 3 8 X 1 4 8 1 70 6020 2 8 GALLON WHITE STEEL TANK 9 1 70 5542 703 SERIES BRUSHED NICKLE FAUCET 10 1 09 9160 ANGLE STOP ADAPTER 11 1 09 0515 ...

Page 5: ...ing UDI accepts no responsibility for damage resulting from the installation of faucet Diamond tip bit recommended Marble Counter top We recommend contacting a qualified contractor for drilling a hole in a marble counter top Drill a Hole for the Reverse Osmosis Faucet How to use the Quick Connect Fittings To make a connection the tube is simply pushed into the fitting The unique locking system hol...

Page 6: ...faucet adapter fitting Thread it on to the faucet stem be careful not to overtighten as it may crack the fitting Please see Fig 1 and Fig 2 Fig 1 Fig 2 5 Non Air Gap Faucet 4 In the parts bag locate the blue 1 4 tube Connect one open end of the blue tube to the RO faucet 1 4 quick connect fitting making sure the tube is pushed in all the way to the tube stop FAUCET TANK IN DRAIN 5 Connect the othe...

Page 7: ...t the cold water supply line from the angle stop water valve and install the Angle Stop Adapter as pictured Angle Stop Adapter 09 9160 Connect Male Threaded end to Cold Water Supply Line Connect Female Threaded end to Cold Water Angle Stop Valve A B To Kitchen Faucet Cold Water Angle Stop Valve Angle Stop Adapter Cold Water Supply Line A B 5 Insert the open end of the orange 1 4 tube into the open...

Page 8: ...f a second sink drain is available install it above the cross bar on the second drain Installation of the drain saddle near a garbage disposal may cause the drain line to plug Caution P Trap Elbow 4 Assemble the drain saddle around the drain pipe and align drain saddle fitting opening with the hole drilled in the previous step you may use a small screwdriver to feed through the drain saddle into t...

Page 9: ...e to be mounted to allow for future system maintenance Using the mounting holes on the bracket mark the location for the mounting screws on the cabinet wall under the sink In the parts bag locate the two self tapping screws Using an electric drill with a Phillips bit screw them into the cabinet at the marked location Hang the module on the screws using the mounting holes in the bracket 6 Connect t...

Page 10: ...ld take 2 3 hours to complete 7 After the second tank is filled repeat 6 Then enjoy your filtered water 8 Check leaks daily for first week and periodically thereafter 9 You may notice that the water may be milky colored during the first week It is the air bubbles in the water It is normal and safe NOTE 1 Do not use with water that is microbiologically unsafe or of unknown quality without adequate ...

Page 11: ...e is recommended CHECK AIR PRESSURE IN STORAGE TANK Important Check air pressure only when tank is empty of water 1 Turn off the incoming water supply to the RO 2 Open the RO Faucet and allow water to drain from the tank until it is completely empty Check air pressure in the storage tank when you notice a decrease in available water from the RO system Air can be added with a bicycle pump using the...

Page 12: ...upply at the angle stop adapter The RO faucet must be off when filters are replaced To make the removal of the filter cartridges easier the heads cartridges may be swiveled up to 90 degrees Step 2 To install a filter cartridge Remove the seal cap and insert the cartridge into the valved head with the label facing to the left 9 o clock position rotating it clockwise 1 4 turn Step 3 To remove a filt...

Page 13: ...it open until water begins to trickle out it will come out slowly Step 5 Turn on water supply to the system at the angle stop adapter Check frequently over the next 24 hours to ensure no leaks are present Step 4 Step 3 Note Step 2 Close the RO faucet allowing the storage tank to fill with water It may take 2 to 3 hours to fill the tank completely depending on the production capability of the membr...

Page 14: ... production rate Add pressure to storage tank The pressure should be 8 10 psi when the tank is empty Slow production Low water pressure Crimps in tubing Clogged pre filters Fouled membrane Add a booster pump Make sure tubing is straight Replace pre filters Replace membrane Water taste or smell offensive Post carbon is depleted Fouled membrane Sanitizer not flushed out Replace post carbon Replace m...

Page 15: ...l water sources treated and tested on regular basis to insure bacteriological safe quality DO NOT use with water that is microbiologically unsafe or unknown quality without adequate disinfection before and after the system Systems certified for cyst reduction may be used on disinfected water that may contain filterable cysts 2 Operating Temperature Maximum 100 F 40 5 C Minimum 40 4 4 3 Operating W...

Page 16: ...ructions or damage caused by freezing flood fire or an Act of God are not covered by this guarantee In all such cases parts and service charges will apply Parts returned to UDI should be sent with freight to and from factory MRA plus handling charges paid by customer We assume no guarantee liability in connection with this Reverse Osmosis unit other than as specified herein THIS GUARANTEE IS IN LI...

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