System:3 Modular D.E. Owner`s Manual
Contents
1. A Chlorine residual too low maintain adequate chlo rine residual consult pool service technician for recommendation B Broken filter module passing DE into pool replace defective module C Insufficient or improper precoat follow precoating instructions and use recommended amount of DE see Pages 6 and 7 D Inadequate turnover rate consult dealer to verify that equipment is properly sized for your pool E Pump is too large and is overpumping Reduce the flow rate F The filter inlet and outlet are plumbed backwards Re plumb them correctly G Pool water contains iron See Special Cleaning Instructions Page 11 H Heavy or improper application of powdered chlo rine tablets using a binder See Special Cleaning Instructions Page 11 Algae in the pool Apply heavy dose of chlorine or algicide as recommended by the pool manufacturer 4 Plugged Module Cloth 6 Pool Accessories Stop Working A Clean filter and observe performance of acces NOTICE The pleated filter material may look matted i sories after use However as long as the DE adheres to the i pleated cloth the filter is operating properly B If accessories perform better after filter has been A Insufficient precoat see precoat instructions cleaned use a shorter cleaning cycle for the filter Page 7 that is clean the filter after a pressure rise of less B Insufficient cleaning follow cleaning instructions than 10 PSI 12. G Water is chemically out of balance consult pool professional H Algae in the pool Apply heavy dose of chlorine or algicide as recommended by the pool manufacturer 2 Low Flow High Pressure A Filter Module plugged clean module thoroughly see Pages 10 and 11 B Pipe blocked downstream from filter remove ob struction C Piping too small use larger pipe consult dealer for sizing D Filter area too small install an auxiliary filter con sult dealer for recommendation E Outlet port check valve obstructed if applicable remove obstruction to allow valve to open 3 Low Flow Low Pressure A Pump too small consult dealer for recommenda tions B Plugged pump or plugged hair and lint trap clean thoroughly closely and clean thoroughly see Pages 10 and 11 C Water is chemically out of balance consult pool professional D Excessive air in filter non precoated areas may plug Vent air from tank and check for pump suc tion pipe leaks Clean air bleed filter in grid as sembly with a hose and soft flow nozzle E Filter is too small Install an additional filter F Pool water contains iron See Special Cleaning Instructions Page 11 G Algae in pool Apply heavy dose of chlorine or algaecide as recommended by the pool manufac turer H Use of incorrect chemicals with PHMB sanitizers Replace filter module Not enough D E precoat See Table IV Page 6 5 Pool Water Not Clean
3. to remove all debris from screen Replace screen if damaged 3 At least twice a year manually clean filter module according to instruc tions Page 10 At least once a year follow instructions under Special Cleaning Instructions Page 11 as well Filter Backwash Procedure A CAUTION To prevent equipment damage and possible injury turn pump OFF before changing valve position NOTICE Before backwashing with a separation tank review separation tank owner s manual for instructions 1 Stop pump 2 Change valve position A If using Multi port Valve set it to backwash position B If backwashing with a Two Position Slide Valve push handle to full down position 3 Start pump and run it for 3 minutes 4 Stop pump and open tank bottom side drain NOTICE A 1 1 2 drain valve is recommended 5 Start pump and run 1 minute backwashing through filter valve and tank drain 6 STOP PUMP return filter valve to filter position and close tank drain NOTICE Do not vacuum pool while backwashing filter 7 Compare pressure reading on gauge with reading recorded after initial startup The two readings should be very close if not do Module Cleaning Procedure Page 10 A WARNING Hazardous pressure Can cause severe injury or major property damage from tank blow up Release all pressure and read instructions before working on filter When to Clean the Filter The filter module should normally
4. 3 41111201 IGNADOANDAROINAOM SD INOIORAINA ISO if 18 19 REPAIR PARTS LIST Part Model No Description S7MD60 S7MD72 2 Inch Gauge 33600 0023T 33600 0023T Screen Filter WC8 72D WC8 72D Air Release Valve WC212 120P WC212 120P Close Nipple 1 4 in 35202 0959 35202 0959 Adapter Bushing 24900 0504 24900 0504 O Ring 35505 1423 35505 1423 Upper Tank Shell Kit 24851 9000 24851 9000 Tank O Ring 24850 0008 24850 0008 Replacement Module 25023 0160S 25023 01725 Air Bleed Assembly 24800 0120 24800 0120 Baffle Kit with Screws Baffle Screws Elbow and Bulkhead Assembly O Ring Deflector and Bulkhead Assembly O Ring 1 1 2 Plug with O Ring Adapter Fitting O Ring Drain Plug Bulkhead Retaining Nut Lower Tank Shell Clamp Bolt Clamp Assembly Warning Decal Decal Nameplate Decal Instruction Label 2 Slip 1 2 Union Kit 23910 0013S 37027 7028 4 23910 0100S 35505 7438 23910 0101S 35505 1425 2 27001 002S 24900 0509 35505 1424 2 24900 0503 24752 0050 2 24850 0102S 24850 0010 7 24850 0200 7 32165 4004 32155 4147 1000001338 PKG 188 23910 0013S 37027 7028 4 23910 0100S 35505 7438 23910 0101 35505 1425 2 27001 002S 24900 0509 35505 1424 2 24900 0503 24752 0050 2 24850 0102S 24850 0010 7 24850 0200 7 32165 4005 32155 4148 1000001338 PKG 188 Not illustrated Includes all decals and labels Quantity one unless otherwise indicate
5. ION To prevent serious damage to the module fabric NEVER run your DE filter without a diatomaceous earth precoat A CAUTION To avoid damage to internal filter components never change handle position on control valve while pump is running 1 Make sure all clamps are in place and knobs are securely hand tight Set valve to filter position Fill trap on pump with water 2 3 4 Open air release valve on top of filter assembly Key No 3 Page 14 5 Start pump to purge air from system 6 When steady stream of water comes from air release valve close the valve 7 To prepare precoat slurry mix diatomaceous earth DE and water See Table IV or instruction decal on filter shell for amount of DE to use 8 Empty slurry slowly into skimmer to precoat filter element with an even filtering cake A Close valve before air is drawn into system NOTICE To avoid clogging the filter do not use more DE than is specified in Table IV After filter is operating record filter pressure gauge reading in owner s man ual for future reference on when to clean filter NOTICE When installed on a new pool after approximately 48 hours of operation disassemble filter and clean out accumulated debris see Module Cleaning Procedure Page 10 To avoid severe injury or major property damage exactly follow instruc tions under Filter Disassembly Assembly Page 8 A WARNING Hazardous pressure Can c
6. STA RITE MODULAR DE FILTERS OWN ER S MANUAL INSTALLATION OPERATION amp PARTS M OD E LS This manual should be furnished to the end user of this filter its use will reduce service calls and chance of O S7MD60 S7MD72 injury and will lengthen filter life NATIONAL SPA amp POOL INSTITUTE Pentair Water Pool and Spa Inc O 2012 Pentair Water Pool and Spa Inc All rights reserved This document is subject to change without notice 1620 Hawkins Ave Sanford NC 27330 919 566 8000 10951 West Los Angeles Ave Moorpark CA 93021 805 553 5000 Customer Support 800 831 7133 Sta Rite and Pentair Water Pool and Spa are registered trademarks of Pentair Water Pool and Spa Inc and or its affili ated companies in the United States and or other countries Unless noted names and brands of others that may be used in this document are not used to indicate an affiliation or endorsement between the proprietors of these names and brands and Pentair Water Pool and Spa Inc Those names and brands may be the trademarks or registered trademarks of those parties or others Printed in U S A 4 20 12 596 Rev D F R A N A l S TOZ gt TOM MODULAR DE FILTERS To avold unneeded service calls prevent possible injuries and get the most out of your filter READ THIS MANUAL CAREFULLY The Sta Rite System 3 Modular DE Filter Is designed to filter wa
7. ause severe injury or major property damage from tank blow up Release all pressure and read instructions before working on filter FILTER DISASSEMBLY ASSEMBLY PROCEDURE A CAUTION To avoid equipment damage and personal injury never change handle position on control valve while pump is running BEFORE DISASSEMBLING FILTER Ah 1 STOP PUMP 2 OPEN air release valve and drain fitting 3 WAIT until all pressure is released and water drained from filter tank and system before loosening clamp knobs Disassembly 1 Backwash filter according to instructions under Filter Backwash Procedure Page 9 2 Stop pump 3 Open air release valve Key No 3 Page 14 on top of filter tank to re lease all air pressure from inside of tank and system 4 Remove filter drain plug and drain all water from tank 5 To equalize flange stresses loosen clamp knobs alternately that is on opposite sides of tank around tank Remove clamps Being careful not to damage tank O Ring Key No 8 Page 14 lift upper tank shell Key No 7 Page 14 off lower tank shell Key No 21 Page 14 Assembly Remove O Ring slowly to avoid stretching or tearing it Inspect tank O Ring Key No 8 Page 14 for cuts nicks etc If O Ring is damaged deformed or has lost its resiliency replace with a new one 3 Clean O Ring area of tank shell both halves and O Ring 4 Carefully install O Ring and
8. be cleaned when the pressure gauge read ing increases 10 PSI over the start up pressure record the start up pressure in a convenient place In some pools accessories such as fountains or pool cleaners may be no ticeably affected by the normal decrease in flow as the filter becomes dirty If so clean the filter more frequently that is at a pressure increase of less than 10 PSI in order to maintain the required flow Specialty Filter Cleaners Consult your pool service professionals for pool industry recommended filter cleaners MODULE CLEANING PROCEDURE AWARNING Risk of chemical burns Do not attempt to acid clean the filter or module If the filter requires acid cleaning have a trained pool professional do the job Follow all steps in the Disassembly section of this manual The filter module should be removed and cleaned when pressure rises more than 10 psi 69 kPa above startup pressure See also When to Clean the Filter at left NOTICE Do not expose the filter module to sunlight for any extended period of time NOTICE When sanitizing your pool using PHMB polyhexamethylene bi quanide based cleaners use only PHMB cleaners to clean the module When using PHMB sanitizers the filter module MUST be cleaned more thor oughly and frequently than for a pool using chlorine Follow manufacturer s instructions carefully Use of any other type of cleansers with PHMB pool sanitiz
9. d Included with Key No 9A Replacement Module Includes O Ring Key No 13 14 MODELS S7MD60 S7MD72 Blank Page Blank Page
10. djusted or removed under pressure tank may explode causing severe injury or 3 Release all pressure major property damage from system 2 Open air release valve A WARNING BEFORE WORKING ON PUMP OR MOTOR Filter pumps require Disconnect power hazardous voltage to motor at main which can shock burn circuit breaker or cause death Discharge motor capacitor to ground A WARNING Hazardous pressure Can cause severe injury or major property damage from tank blow up Release all pressure and read instructions before working on filter GENERAL INFORMATION Clean a new pool as well as possible before filling pool and operating fil ter Excess dirt and large particles of foreign matter in the system can cause serious damage to the filter and pump e With a diatomaceous earth DE filter system in place and operating cor rectly clean water is returned to the pool faster than pool water is being contaminated A typical pool installation will require approximately one week to obtain and maintain the sparkle that your filter is capable of giving you DO NOT use more than the recommended amount of DE in your filter To do so can cause a buildup of DE and bridging between the elements which will plug the filter A If filter is improperly disassembled or assembled it can explode under pressure To avoid danger of severe injury or major property damage always follow service instructions in this manual when workin
11. er and basket remove debris 4 Check the pump for leaks If found see the pump owner s manual 5 Replace the trap basket and the cover Tighten the cover securely hand tight DO NOT use a lid wrench to tighten it 6 Start the pump When the filter air release valve runs a solid stream of water close the valve 7 When the system has returned to normal operation check the filter pres sure If the filter pressure is 10 PSI 69kPa or more higher than the initial startup pressure the filter needs cleaning See Cleaning the Filter Page 9 11 WINTERIZING 44 WARNING Explosion hazard Purging the system with compressed air can cause components to explode with risk of severe injury or death to anyone nearby Use only a low pressure below 5 PSI high volume blower when air purging the pump filter or piping NOTICE Protect the filter from freezing Allowing the filter to freeze will damage it and will void the warranty 1 Clean the filter according to instructions Page 10 before winterizing Do NOTICE not winterize with DE precoat on cartridge or with residual in tank The filter outlet piping will not empty Stop the pump through the filter drain Make sure that the outlet piping has a separate drain for winterizing Open the air release valve open all the system valves Remove the drain plugs from the trap pump and filter a fF O N Drain the system piping A Gravity drain sys
12. er and elements completely before returning to service If filter cannot be isolated remove media and clean at another location Follow chemical manufacturer s instructions for use Do not mix chemi cals except as directed by manufacturer Do not allow cleaning chemicals to mix with or to come in contact with chlorine bromines other chemicals or chemical feed devices 1 Sponge or spray the module according to chemical manufacturer s direc tions 2 If soaking is required remove the module from the filter tank and sub merge it in a separate tank Follow cleaner manufacturer s instructions carefully 3 After completing chemical manufacturer s instructions drain and rinse the module completely Dispose of cleaners in accordance with local codes and disposal ordinances 4 Rinse the inside of the filter tank Drain it completely 5 Follow instructions in the Assembly and Initial Startup sections of this manual SYSTEM INSPECTION General Wash the outside of the filter with a mild detergent and water Rinse off with a hose NOTICE DO NOT use solvents to clean the filter solvents may damage plastic components in the system NOTICE Open the filter air release valve and release all air from the filter each time the pump is stopped and restarted Weekly Inspection 1 Remove debris from the pool skimmer basket 2 Stop the pump open the air release valve to release all pressure 3 Remove the trap cov
13. ers will void the filter s warranty NOTICE Avoid washing filter debris into the outlet port Remove drain plug and flush dirt from inside of tank before removing filter module 1 With a hose equipped with a soft flow nozzle wash as much dirt as pos sible off of the filter module while it is still inside the tank Allow tank to drain completely 2 Make sure that the inside of the tank is clean Lift out the module and hose it down thoroughly Spray the entire module surface Allow module to drain 3 Inspect the module If necessary repeat the washing operation If the module is damaged replace it NOTICE If this cleaning method does not remove all deposits see Special Cleaning Instructions section in this manual 4 Inspect and clean air bleed filter at top of module 5 Follow all steps in the Assembly and Initial Startup sections of this manual 10 A WARNING Hazardous pressure Can cause severe injury or major property damage from tank blow up Release all pressure and read instructions before working on filter Special Cleaning Instructions Use this procedure to clean scale or oils which are not removed by hosing down module Be sure to dispose of spent chemicals according to all applica ble codes and waste disposal ordinances Use a soft stream nozzle to mini mize flying water and spray Risk of fire or explosion Isolate filter from system before chemical cleaning rinse filt
14. g on filter NEVER operate this filter system at more than 50 pounds per square inch 50 PSI 345kPa pressure Be sure filter pressure gauge operates when system is operating If pressure gauge is damaged or does not work replace it A Purge all air from system before operating system NEVER operate fil ter with air trapped inside On a new pool installation we recommend 1 Disassemble the filter after the initial cleanup To prevent severe injury or major property damage exactly follow Filter Disassembly Assembly Procedure on Page 8 2 Remove and hose down the module to remove contaminants e It is a good idea to remove the module once a year and soak it in a filter cleaning solution to remove accumulated body oils etc see Page 11 Special Cleaning Instructions e Cleaning interval is based on pressure differential not on length of time fil ter is operated Different water conditions will have different normal clean ing intervals If backwashing filter is not possible use Module Cleaning Procedure Page 10 at regular intervals to clean filter e Check local codes for restrictions on backwash to waste piping separation tank requirements and spent D E disposal requirements TABLE Sta Rite valves for use with Model S7MD60 and S7MD72 filters Port Part Size Number on Multi port 18201 0300 on Plastic Slide 263053 NOTICE Use of valves other than those listed above c
15. nstalled ahead of filter inlet will prevent contaminants from draining back into pool e A check valve installed between filter and heater will prevent hot water from backing up into filter and deforming internal components e For installation allowing backwashing install Sta Rite Two Position Slide Valve or Multiport Selector Valve with filter See Table If you intend to clean your filter according to Module Cleaning Procedure Page 10 no slide or multi port valve is required See Figures 1 and 2 Page 6 for cor rect water flow when connecting pipe e Filter ports and valve ports are furnished with union connections DO NOT use pipe sealants on union collar nut e Use care before assembly not to damage union sealing surfaces or O Ring e To allow recirculation during precoat if precoat pot is used install a recir culation line with shut off between pad return line and pump suction Electrical All wiring grounding and bonding of associated equipment must meet local and or National Electrical Code standards SPECIFICATIONS y J Water Inlet pumped from pool Water Outlet I To Pool E C Figure 2 Filter Cycle 4114 1201 INLET o gt 7 13 16 198 4 Waste Port to Separation q tank 9 3 16 233 4 i J y Y Wa
16. ould cause reversed water flow through filters and damage to internal filter components INSTALLATION Installation of filter should only be done by qualified licensed personnel Filter mount must e Provide weather and freezing protection e Provide space and lighting for easy access for routine maintenance See Figure 1 and Table II Page 6 for space requirements Be on a reasonably level surface and provide adequate drainage Be as close to pool as possible to reduce line loss from pipe friction Piping e Piping must conform to local state plumbing and sanitary codes e Use thread seal tape or equivilant on all male connections of plastic pipe and fittings DO NOT use pipe compounds on plastic pipe it will cause the pipe to crack Do not use sealant on unions assemble them dry and hand tight e Support pipe independently to prevent strains on filter or valve e Use 2 51mm pipe to reduce pressure losses as much as possible NOTICE Filter may be located away from pool but for adequate flow larger pipe may be needed Check local codes for remote installation Fittings restrict flow for best efficiency use fewest possible fittings e Keep piping tight and free of leaks pump suction line leaks may cause trapped air in filter tank or loss of prime at pump pump discharge line leaks may show up as dampness or jets of water e NOTICE Overtightening can crack filter ports Valves A check valve i
17. ructions not related to hazards Carefully read and follow all safety instructions in this manual and on equip ment Keep safety labels in good condition replace if missing or damaged A WARNING Hazardous pressure Incorrectly installed or tested equipment may fail causing severe injury or property damage Read and follow instruc tions in owner s manual when installing and operating equipment Have a trained pool professional perform all pressure tests 1 Do not connect system to a high pressure or city water system 2 Use equipment only in a pool or spa installation 3 Trapped air in system can cause explosion BE SURE all air is out of sys tem before operating or testing equipment 4 DO NOT pressure test with compressed air Before pressure testing make the following safety checks e Check all clamps bolts lids and system accessories before testing e Release all air in system before testing Tighten Sta Rite trap lids to 30 ft lbs 4 1 kg cm torque for testing e Water pressure for test must be less than 25 PSI 172 kPa e Water Temperature for test must be less than 100 F 38 C Limit test to 24 hours After test visually check system to be sure it is ready for operation Remove trap lid and retighten hand tight only NOTICE These parameters apply to Sta Rite equipment only For non Sta Rite equipment consult equipment manufacturer A VARNING If filter clamps are 1 Stop pump a
18. tem as far as possible B Protect areas which retain water with non toxic propylene glycol antifreeze RV antifreeze 6 Loosen the union nuts if used to drain all water from the filter interior Leave these nuts loose until the system is restarted 7 Disassemble the filter follow instructions under Filter Disassembly Page 8 Remove the filter module and store it in a warm dry area Be sure to store the cartridge where it will not be in sunlight 8 Be sure to allow any water trapped in the tank to drain out 9 Cover the filter with plastic or tarpaulin to prevent water entrance and freezing 12 TROUBLESHOOTING GUIDE 1 Short Cycle Time NOTICE Cycle Time will vary with each installation and between different areas of the country The follow ing causes and remedies are for cycle times shorter than normal for your area A Chlorine residual too low maintain proper residual consult pool professional for recommendation B Flow rate too high restrict flow to rated capacity of filter see instruction plate on filter or specifica tions on Page 6 C Filter is too small install an additional filter D Improper insufficient precoat see precoat instruc tions under Initial Setup Page 7 E Filter module is dirty or plugged thoroughly clean the filter see No 4 Plugged Module Cloth below and Module Cleaning Procedure Page 10 F Too much DE check for clogged filter module
19. ter Inlet pumped 2 51mm Sta Rite from pool gt Union Connections 4112 1201 FIGURE 1 Dimensions in inches mm Figure 3 Backwash Cycle TABLE II SPACE REQUIREMENTS IN INCHES MM 4115 1201 acca for S7MD72 7 A B Cc D E Max Flow Rate for S7MD60 en E oe 28 724 42 1067 7 36 914 53 1359 y 120 Number of clamps 16 ae 1 y 100 ai a g TABLE Ill APPROVED DE CLEANERS PE Consult your pool service professionals for pool industry d o peo 8 as recommended filter cleaners o fi 40 20 o 20 40 60 80 100 120 120 160 m see ae eee TABLE IV FILTER SPECIFICATIONS amp OPERATING INFORMATION Capacity in GPM LPM u Filter Model S7MD60 S7MD72 Pressure Drop Curve Filter Area in Sq Ft M 60 Sq Ft 5 57 72 Sq Ft 6 69 Lbs Kg of D E Used 9 0 4 1 11 0 5 0 Max Flow Rate in GPM LPM 120 454 144 545 NSF Public Pool Flow Rate in GPM LPM 120 454 144 545 Max Operating Pressure in PSI kPa 50 345 50 345 NOTICE 1 2 pound of DE will fill a one pound coffee can A WARNING Hazardous pressure Can cause severe injury or major property damage from tank blow up Release all pressure and read instructions before working on filter INITIAL START UP A Be sure pump is OFF before starting procedure A Do not operate these filters at more than 50 PSI 345 kPa under any circumstances A CAUT
20. ter for swimming pools Is an excellent performer durable reliable Table of Contents Safety NStructions luli Helene 3 General Information 2 ion 4 Installation id 5 SPecilicatlons 2 2 eA i A ea 6 Initial Startup ieee center real 7 Filter Disassembly Assembly ooooccccccoccccoccccoonnncncncncncnonanannn cnn nncnnncncnnnnnnns 8 Cleaning the Fitter vessestesetedsircdeectattes dg hbigd kei a 9 Filter Backwash Procedure essersseeennnnnnnnnnnnnnnnne nennen nn nn 9 Module Cleaning Procedure usensssssssssnnnnnnnnnnnnnnennen nenn nn 10 Special Cleaning Instructions ussssssssssssnnnnnnnnnnnnnnnnnee nennen 11 System Inspector OT AAA 11 WinterizZin g eer T EEA EA AA A E E 12 Troubleshooting Gude sisirin neee ea ei ee 13 Repair Pans List ale cil 14 A DANGER A WARNING A CAUTION READ AND FOLLOW SAFETY IN STRUCTIONS A This is the safety alert symbol When you see this symbol on your filter or in this manual look for one of the following signal words and be alert to the potential for personal injury warns about hazards that will cause death serious personal in jury or major property damage if ignored AWARNING warns about hazards that can cause death serious personal in jury or major property damage if ignored A CAUTION warns about hazards that will or can cause minor personal in jury or property damage if ignored NOTICE indicates special inst
21. upper tank shell Key No 7 Page 14 on tank bottom Key No 21 Page 14 NOTICE Do not lubricate O Ring Lubricants attract dirt and grit and may especially when petroleum based damage O Ring and void war ranty NOTICE Be sure upper tank shell contacts O Ring surface evenly and seal area is clean and free from dirt Install clamp bolts and clamps Do not tighten clamps yet 6 See Figure 4 for clamp tightening sequence Tighten all clamp knobs se curely hand tight NOTICE To equalize stresses on tank be sure to tighten clamps in se quence shown DO NOT work your way around the filter tightening adja cent clamps Install air relief valve and gauge assembly on tank FIGURE 4 21 Filter clamp tight ening sequence CLEANING THE FILTER When to Clean NOTICE If installation does not allow backwashing use module cleaning proce dure regularly see Page 10 1 With a new filter A Record filter operating pressure at startup When pressure reaches 10 PSI 69kPa above startup operation pressure stop pump for 30 60 seconds to allow filtering cake to release B Restart pump to form new cake Pressure should now be less than 10 PSI 69kPa above startup operating pressure C If pressure is still more than 10 PSI 69kPa above startup operating pressure backwash filter see below 2 Thoroughly clean air bleed assembly Key No 9B Page 14 on top of filter module EVERY time filter is opened Be sure
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