Watts R12-Wall Mount User Manual Download

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REVERSE OSMOSIS

INSTALLATION AND OPERATION MANUAL

R12-Wall Mount

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Summary of Contents for R12-Wall Mount

Page 1: ...REVERSE OSMOSIS INSTALLATION AND OPERATION MANUAL R12 Wall Mount ...

Page 2: ......

Page 3: ...e end user Successful long term performance of an RO system depends on proper operation and maintenance of the system This includes the initial system startup and operational startups and shutdowns Prevention of fouling or scaling of the membranes is not only a matter of system design but also a matter of proper operation Record keeping and data normalization are required in order to know the actu...

Page 4: ...ent II Controls Indicators and Components III Operation A Installation B Plumbing Connections C Electrical D Startup E Control Function F Operation and Maintenance Log G Troubleshooting IV Replacement Parts List V Membrane Replacement VI Appendix Temperature Correction Factors ...

Page 5: ...sufficient to eliminate chemicals that would attack the membrane materials A SPECIFICATIONS R12 0150 R12 0250 R12 0600 R12 1200 Maximum Productivity Gallons per day 150 250 600 1200 Quality membrane rejection 98 98 98 98 Recovery user adjustable 15 75 15 75 15 75 30 75 Membrane Size 2 5 x 14 2 5 x 21 2 5 x 40 2 5 x 40 Number Of Membranes 1 1 1 2 Dimensions W x H x D approximate inches 22 x 32 x 12...

Page 6: ...suspended solids sediment from the feed water Backwashing the media removes the trapped particles Backwash can be initiated by time or differential pressure Water Softener Used to remove calcium and magnesium from the feed water in order to prevent hardness scaling The potential for hardness scaling is predicted by the Langelier Saturation Index LSI The LSI should be zero or negative throughout th...

Page 7: ...and temperature dependent Silica fouling can be prevented with chemical injection and or reduction in recovery I CONTROLS INDICATORS and COMPONENTS see figure 1 A On Off Switch Turns the unit on and off B Product Pressure Switch Automatically turns the unit on and off based on the product water pressure C Reject Control Valve Controls the amount of reject flow D Reject Recycle Control Valve Contro...

Page 8: ...Figure 1 ...

Page 9: ...ater line should never be restricted Membrane and or system damage may occur if the product line is blocked 3 Connect the reject water outlet to a drain The reject outlet is located at the reject needle valve or on top of the product flow meter depending on how the unit is equipped The reject drain line should never be restricted Membrane and or system damage may occur if the reject drain line is ...

Page 10: ...ed 200 psi on the pump discharge gauge Figure 1 item F 10 Allow the product water to flow to drain for 30 minutes 11 Turn off the system and connect the product line to the point of use The product water line should never be restricted Membrane and or system damage may occur if the product line is blocked 12 Restart the system and record the initial operating data using the log sheet E CONTROL FUN...

Page 11: ...EED WATER TEMP FEED WATER HARDNESS FEED WATER CHLORINE LEVEL PRE FILTER INLET PRESSURE PRE FILTER OUTLET PRESSURE REMARKS Note Change the prefilter when the differential pressure increases by 5 10 psi over the clean differential pressure Clean the RO membrane s when the product flow drops by 15 or more See appendix ...

Page 12: ... and reject Slime in pipes and vessels Shock dosage of sodium bisulfite Continuous feed of low conc bisulfite at reduced pH Peracetic acid sterilization Clean with alkaline anionic surfactant Chlorine dosage up stream with dechlorination Replace cartridge filters Decreased or moderately increased Decreased Normal All stages Organic fouling Destructive testing e g IR reflection analysis Optimizatio...

Page 13: ... of common replacement parts is provided below Contact your dealer for replacement parts assistance Part Number Description S9550 D T Pre filter housing 10 R9677 SV2514 1 RO membrane pressure vessel 2 5 x 14 SS R9677 SV2521 1 RO membrane pressure vessel 2 5 x 21 SS R9677 SV2540 1 RO membrane pressure vessel 2 5 x 40 SS R2451 Pressure gauge 2 0 100 psi dry bottom mount R2456 Pressure gauge 2 0 100 ...

Page 14: ... the new membranes 6 Lightly lubricate the brine seals on the new membranes with clean water 7 Install the new membranes in the direction of flow with the brine seal end going in last 8 Lightly lubricate the end cap internal and external o rings with glycerin 9 Install the end caps and secure them with the U pins 10 Reconnect the tubing to the pressure vessel 11 Verify that all retaining U pins ar...

Page 15: ...ature Correction Factors Deg C Deg F Correction Factor 30 86 1 16 29 84 2 1 13 28 82 4 1 09 27 80 6 1 06 26 78 8 1 03 25 77 1 00 24 75 2 0 97 23 73 4 0 94 22 71 6 0 92 21 69 8 0 89 20 68 0 86 19 66 2 0 84 18 64 4 0 81 17 62 6 0 79 16 60 8 0 77 15 59 0 74 14 57 2 0 72 13 55 4 0 70 12 53 6 0 68 11 51 8 0 66 10 50 0 64 9 48 2 0 62 8 46 4 0 61 7 44 6 0 59 6 42 8 0 57 5 41 0 55 Multiply the nominal pro...

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