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RO SYSTEM TROUBLE SHOOTING 

 

PROBLEM REMEDY 

General 

High Product Water TDS 

 

Membrane frozen, high temp, or backpressure. Replace 

membrane. 

Membrane attack by chlorine  

Carbon pre-filter may be exhausted. Replace filter and membrane. 

Product seal on end cap. 

Determine if seal or o-ring is bad. Replace as needed. 

No Product Water or Not Enough Product Water 

 

Feed water shut off. 

Turn on feed water. 

Low feed pressure. Feed pressure must be at least 10 psi. 

Consider booster pump. 

Pre-filter cartridge clogged. 

Replace pre-filter cartridge. 

Membrane fouled. 

Determine and correct cause; replace or clean  membrane. 

Product check valve stuck. 

Clean or replace check valve. 

Low pump discharge pressure 
Low feed water temperature 

Adjust reject valve or replace pump 
Increase membrane feed pressure or heat the feed water. 

 

 

 
 
 

IV. 

REPLACEMENT PARTS LIST 

 

 

A list 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 psi, dry, back mount 

R2461 

Pressure gauge, 2 1/2", 0-400 psi, LF 

R5126 

Flow meter 0.1 – 1.0 gpm 

R5129 

Flow meter 0.2 – 2.0 gpm 

R9852 

Product pressure switch  

R9852C 

Product pressure switch with auto / off  lever 

R2200-120/60 

Motor 0.5 HP single phase 120 volt 

R2101-140 

Pump 140 GPH carbonator with relief valve 

R23-1070S 

Low pressure controller 

R23-PS32 

Low pressure switch, ¼” MPT, 3 – 40 psi  

R2530 

Reject & recycle brass needle valve 

R2402 

Inlet solenoid valve, 1/2”, 120 volt coil 

W-2514-TW 

2.5” x 14” RO membrane 

W-2521-TW 

2.5” x 21” RO membrane 

W-2540-TW 

2.5” x 40” RO membrane 

S1025AB Prefilter 

cartridge, 10”, 5 micron 

R9812-4SS 

Product check valve, SS 

 

Содержание R12-Wall Mount

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

Страница 2: ......

Страница 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...

Страница 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 ...

Страница 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...

Страница 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...

Страница 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...

Страница 8: ...Figure 1 ...

Страница 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 ...

Страница 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...

Страница 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 ...

Страница 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...

Страница 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 ...

Страница 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...

Страница 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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