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Operation and

Maintenance

Manual

for

H SERIES

(3180, 3240, 3300 & 3360)

Reverse Osmosis Systems

Serial # ________________________

U.S. Filter

10 Technology Drive

Lowell, Massachusetts 01851

Tel: (800) 875-7873 • Fax: (978) 441-6025

10/97 MANOWNROLH REV H

Summary of Contents for H 3180

Page 1: ...tenance Manual for H SERIES 3180 3240 3300 3360 Reverse Osmosis Systems Serial ________________________ U S Filter 10 Technology Drive Lowell Massachusetts 01851 Tel 800 875 7873 Fax 978 441 6025 10 9...

Page 2: ...ng is not clear call for assistance before proceeding Keep this and other associated manuals for future reference and for new operators or qualified service personnel All electrical work should be per...

Page 3: ...for any errors that may appear in this document This manual is believed to be complete and accurate at the time of publication In no event shall U S Filter be liable for incidental or consequential da...

Page 4: ...te condition practices or procedures which must be observed to avoid personal injury or fatalities CAUTION Cautions indicate a situation that may cause damage or destruction of equipment or may pose a...

Page 5: ...2 2 2 7 Reservoir Optional 2 2 2 8 Accessory Sensors Pretreatment Interlock and Tank Level 2 2 2 9 Before Power Turn On 2 3 2 10 Installation of Reverse Osmosis Membrane s 2 3 3 0 OPERATING INSTRUCTI...

Page 6: ...System Shutoff Low Pressure 5 2 5 9 Low Permeate Flow Rate 5 3 5 10 Motor Overload Shutdown 5 3 5 11 Controller Malfunction 5 3 6 0 WARRANTY 6 1 General Limited Warranty 6 1 6 2 Water System Limited W...

Page 7: ...filters are used in many systems to reduce the amount of particulate contamination reaching the membrane thus insuring the membrane does not become clogged Please refer to general membrane specificati...

Page 8: ...off the pump motor to prevent damage to pump The low pressure switch will not be activated with momentary pressure drops of less than 3 seconds during normal system operation If the pump discharge pr...

Page 9: ...full shutdown will put the system in STANDBY when a float switch in the RO water storage tank detects it is full optional 8 Interlock can link the system with a water softener or other pre treatment e...

Page 10: ...2 2 UNPACKING The U S Filter RO system is shipped completely assembled Pressure switches gauges control box pump valves and regulators are all pre mounted on the main frame and factory set to correct...

Page 11: ...tion of spatial location in relation to system output Reservoir size selection should be in accordance with this factor Your local U S Filter representative can supply reservoirs of any desired capaci...

Page 12: ...mally shipped with the membranes installed and preserved in sodium bisulfite solution However should the need arise the following procedure may be followed to install membranes B See the Appendix for...

Page 13: ...is known to be within specifications CAUTION Check to verify all RO housing retaining rings are in place and engaged E Close the reject recirculation valve F Open the reject valve completely G Open th...

Page 14: ...te line The system is now ready to be put into a normal operating mode 3 4 NORMAL OPERATIONS It is best to operate the RO system continuously to avoid membrane fouling however the automated controls p...

Page 15: ...B Remove the prefilter cartridges and discard Clean the prefilter housing leaving the cleaned components to dry during the shutdown period C Turn off the input water and electrical power until the sy...

Page 16: ...itor bacterial levels in the feed and permeates as needed When bacterial levels increase above an acceptable level for the application sanitize the system The choice of the sanitizing agent depends on...

Page 17: ...g information call the number provided on the cover of this manual B Selecting a Sanitant Table 4 1 lists the type and concentration of sanitizing agent that should be used for polyamide thin film com...

Page 18: ...line while the RO is operating at normal flows and pressure Both the product and reject streams are sent directly to drain The continuous injection method is most typically used to sanitize with hydr...

Page 19: ...nd the sanitant is allowed to sit in the system optional f The RO is switched back to the normal feed source and run in the normal operating mode with the product diverted to drain until all residual...

Page 20: ...ase in the feed to reject differential pressure also indicates that cleaning is needed Membrane foulants include colloidal materials such as aluminum and silica compounds precipitated metal hydroxides...

Page 21: ...d 1 Recirculation Method try this first This is the cleaning method of choice Recirculate each cleaning solution through the RO system for 45 to 90 minutes Recirculation cleaning requires an accessory...

Page 22: ...hing Use the following guidelines to determine if the system is clear of residual cleaning agents 1 Acids and Bases The pH of the product water would be equal to or nearly equal to the pH of the feed...

Page 23: ...x Prepare sodium bisulfite using a buffered solution of 0 1 Na2CO3 or 0 15 NaHCO3 J Preparing the Cleaning Solutions Use the following procedures to make 10 liters L of solution For larger volumes inc...

Page 24: ...ality If solid NaOH pellets are available add 4 0 40g to 10L of RO water Check the addition of caustic with a pH meter If 50 NaOH is used start with 5ml per 10 liters and add until a pH of 12 is reach...

Page 25: ...osis System Maintenance Log in the Appendix A Input Water 1 Check pressure daily record weekly Adjust as necessary to maintain 69 to 6 9 bar 10 to 100 psig 2 Monitor feed and permeate conductivity and...

Page 26: ...igh a percent recovery will lead to premature fouling of the membrane G Calcium Measure the input and permeate calcium and calculate the percent rejection using the following formula Calcium Inlet Cal...

Page 27: ...t flows are normal If not adjust to design flow rates using the System Specifications sheet in the Appendix D If the flows cannot be adjusted to the desired flow rates slowly close the pump discharge...

Page 28: ...good condition and seated correctly D If the above possibilities are eliminated the RO membrane is beginning to fail It should be cleaned or replaced 5 7 SYSTEM KEEPS SHUTTING OFF A Observe the contr...

Page 29: ...Filter Technical Service Department at the number provided on the cover of this manual CAUTION Certain solutions especially those containing chlorine or bromine can permanently damage the membranes 5...

Page 30: ...amages resulting from economic loss or property damages sustained by a customer from the use of its products 6 2 WATER SYSTEM LIMITED WARRANTY United States Filter Corporation USF warrants the water s...

Page 31: ...ic loss or property damages sustained by any customer from the use of its process systems Products or components manufactured by companies other than USF or its affiliates Non USF Products are covered...

Page 32: ...ater transport through the semipermeable membrane separating two saline solutions of different concentrations PASSAGE Ratio of permeate to feed concentration of a particular dissolved material express...

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