Marlo Incorporated RO-25T, Operating Manual

Page 1: ...MODEL NUMBER MARLO RO 25T REVERSE OSMOSIS DRINKING WATER SYSTEM InstalIation Operating and Service Manual ...

Page 2: ...ion 6 B Feed Water Saddle Valve Installation 7 C Drain Clamp Installation 7 D R O Manifold Assembly Installation 8 E Position the Drinking Water Holding Tank and Make the Final Hose Connections 9 F Start Up 9 SECTION V OPERATION AND MAINTENANCE 10 A Normal Operation 10 B Changing Filters 10 SECTION Vl TECHNICAL DATA 11 A WaterQuality 11 B WaterQuantity 11 C Water Pressure and Temperature 12 SECTIO...

Page 3: ... colloidal materials Activated carbon particles contain a vast network of pores The tremendous surface area of these ACTIVATED CARBON POST FlLTER The prod pores typically 800 1200 square meters per uct water from the Holding Tank passes through gram of carbon gives the carbon very good the Activated Carbon Post Filter Cartridge on the adsorptive sites for chlorine as well as other sub way to the D...

Page 4: ... back pressure on the product water at 60 psi 410kPa and 77F 25C Further conidtions on the above are 500 ppm T D S and a 15 recovery rate For performance conversions from standard conditions to local conditions see Tables C and D on page 14 2 Actual capacity measure at 55 psi 77F and 750 ppm T D S per industry Standard S 300 91 3 Actual capacity measured at 50 psi 50F and 325 ppm T D S TABLE B REC...

Page 5: ...Convenience of use fill authority ing of water pitchers and glasses and an open area beneath the faucet under the sink B Tools Recommended for Installation for attaching product and drain tubing are considerations A 2 diameter flat surface The following tools will cover most of the installa required above and below the mounting si tion sites encountered The thickness of the mounting surface should...

Page 6: ...irst Allow adequate tubing lengths Assemble the Body and Spout by removing for any final component position the plastic shipping plug from the Body and then firmly pressing in the Spout A Faucet Installation The faucet contains an anti siphon air gap While the system is produc In the following order place the Face Plate ing water the drain water flows from the R O Escutcheon on the 7 16 stud throu...

Page 7: ... O D use the large groove of the back plate C Drain Clamp Installation Assemble and tighten the brass screw Choose the drain outlet location per Sec Ill C 5 page 6 To pierce the tubing turn the Valve Handle fully clockwise inward A small amount of The following are instructions for discharging into water may escape from the outlet until you the sink drain pipe Refer to Fig 1 page 3 are fully pierc...

Page 8: ...per Sec Ill C 3 page 5 Various polytube install the Compression Nut the installation sites will require different types of small Plastic Ferrule and the small Brass mounting fasteners be sure the fastener select Insert Connect to the Saddle Valve ed will provide a firm solid mounting A support panel may be necessary on thin cabinet walls or 4 Locate the 1 4 Black Drain Port Tubing that to span bet...

Page 9: ...each check the 3 Locate the length of 1 4 Yellow Tubing con Housing O rings and tighten the Housing nected to the Tank Port on the R O Nutshandtightonly Manifold Refer to Fig 1 page 3 Run it along its course and trim to length Insert the Slowly open the Saddle Valve on the Feed tubing into the Holding Tank Shut Off Valve Water L ne turning counter clockwise fitting Make sure the tubing is pressed ...

Page 10: ...card the first The recommended interval for changing the fil three full tanks of production It takes ters not the R O Membrane is every six 6 approximately 6 hours to make a full tank months Typical T F C Membrane life expectancy is three years Local conditions may dictate more frequent changes SECTION V OPERATION AND MAINTENANCE NOTE If the R O Membrane is to be replaced see Sec lV F 1 3 page 9 f...

Page 11: ...water produced in one day It is reported as Cartridge Tighten the Housing Nut hand Gallons per Day gpd or Liters per Day Ipd tightonly 2 The flow of water to drain is the Reject Water Rate and is measured as Gallons per Remove the Activated Carbon Filter Hous Day gpd or as Milliliters per Minute ing and empty Remove the wrapping and ml min Install the Activated Carbon Post Filter Cartridge Tighten...

Page 12: ...t T D S 500 ppm Holding Tank which tries to push the water 93 backwards and the osmotic pressure which 100 x 500 ppm also tries to push the water backwards Product T D S 500 ppm 93 x 500 ppm The Osmotic Pressure is in proportion to the dissolved minerals in the water and can Product T D S 500 ppm 465 ppm be approximated by 1 psi for each 100 ppm of T D S Product T D S 35 ppm EXAMPLE A feed water w...

Page 13: ...re to standard conditions divide by the factor Percent rejection of Total Dissolved Solids TABLE D Tempertature correction factors for Thin Film Composite T F C Membrane Production Rate Tempertature Temperature F C Correction Factor F C Correction Factor 40 4 34 77 25 1 00 42 6 38 78 26 1 02 44 7 41 80 27 1 05 46 8 45 82 28 1 09 48 9 48 84 29 1 12 50 10 52 86 30 1 16 52 11 56 88 31 1 20 54 12 59 9...

Page 14: ... O Valve is malfunctioning Replace A S O valve components Activated carbon post filter is plugged Replace post filter Empty water from holding tank and with the faucet open adjust the air pressure to 5 7 psi range Air pre charge in the holding tank is too low Check for leakage at the air valve stern Holding tank valve is partially closed Open Valve The dispensing faucet is out of adjustment or fau...

Page 15: ...to remove dissolved gasses Tastes and odors in the Product water Increase in product water T D S See high T D S in the product water section Clean air gap Air gap is blocked Rinse with vinegar for removal of calcium buildup Drain tubing is clogged Clear tubing Drain clamp hole is misaligned Align with hole in the drain pipe Drain water overflows at the air gap faucet Excessive drain flow rate Repl...

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Page 17: ...ng 20 S2003 Inlet Outlet Block 21 S2013 6 Drain restrictor 60 gpd color coded yellow 22 S1276 Duckbill check valve 1 8 23 S1277 Duckbill check valve retainer 24 S7025 Activated carbon post filter cartridge 25 S1227RS T F C R O membrane 25 gpd 26 S1406 1 4 Union Elbow 27 S1405 1 4 3 8 Fitting Wrench 28 S2062 Wrench for Sump Nut Include Part No S2046 Sediment Carbon Filter Label Include Part No S204...

Page 18: ...imited to neglect misuse alteration accident misapplication physical damage or damage caused by fire act of God freezing or hot water If the unit is altered by anyone other than Marlo Incorporated the warranty is void To obtain warranty service A contact your local dealer who supplied the unit or B contact the factory for the dealer nearestyou It is the obligation of the owner to pay for shipping ...