SFA-125 SYSTEM
Contents
1. hilli Jr ro fro 0 gt 7 E 03 455 04 08 15 During the warranty pe STANDARD LIMITED WARRANTY Pentair Myers warrants its products against defects in material and workmanship for a period of 12 months from the date of shipment from Pentair Myers or 18 months from the manufacturing date whichever occurs first provided that such products are used in compliance with the requirements of the Pentair Myers catalog and technical manuals or use in pumping raw sewage municipal wastewater or similar abrasive free noncorrosive liquids riod and subject to the conditions set forth Pentair Myers at its discretion will repair or replace to the original user the parts that prove defective in materials and workmanship Pentair Myers reserves the right to change or improve its products or any portions thereof without being obligated to provide such a change or improvement for prior sold and or shipped units Start up reports and electrical schematics may be required to support warranty claims Submit at the time of start up through the Pentair Myers website http forms pentairliterature com startupform startupform asp type m Warranty is effective only if Pentair Myers authorized control panels are used All seal fail and heat sensing devices must be hooked up fun ctional and monitored or this warranty will be void Pentair Myers will cover only the lower seal and labor thereof2. 6 pipe size requires use of fiberglass basin WARNING Failure to use a properly piloted hole saw may result in damage to basin which may result in structural failure or serious leaks Step 2 Lubricate inside lip of inlet grommet with pipe soap Clean outer end of influent pipe and push pipe through grommet Ensure pipe does not protrude inside basin so as to interfere with pump removal or float operation Step 3 Close shut off valve and make discharge line connection It is strongly recommended that an additional shut off valve and redundant check valve be located outside the basin at any force main entrances check local codes for specific requirements BACKFILL INSTRUCTIONS The Authority Having Jurisdiction has the right to require alternate materials or procedures for backfilling the installation CAUTION In freezing conditions the backfill must be dry and free of ice Do not use other backfill materials Failure to utilize the recommended bed and backfill materials during the installation of the basin voids the basin warranty Step 1 Obtain proper backfill material The backfill material provides as much as 90 of the basin s support under certain stress conditions The installer must be positive that correct bed and backfill materials are utilized per instructions as follows A Gravel clean and free flowing with particle size not less than 1 8 nor more than 3 4 in diameter Use this description when ord
3. CONDITION Basin Level Is Pumped Down With H O A On Switch Hand Position But Is Not Pumped Down With H O A Switch On Automatic Position Pump Run Light Stays On Circuit Breaker Trips When Pump Tries To Start Overload Trips Is Manually Reset And Then Trips Off Again E 03 455 04 08 15 PROBABLE CAUSE Floats are not hanging free in the basin or are covered with grease Pump the level down with the H O A switch on HAND so that the floats can be observed Relocate and clean float s as necessary If this is a new installation and original start up the floats may be miswired into the control panel If the on and off floats are reversed the pump will short cycle on and off and will not pump the level down Floats or alternator are malfunctioning Pull the floats out of the basin and hang the OFF and ON floats from your hand Turn the H O A switch to AUTO Tilt the OFF float so that the large end is above the cord end nothing should happen While keeping the OFF float tilted tilt the ON float in the same manner the pump should come on Suspend the ON float again from your hand the pump should continue to run Finally suspend the OFF float the pump should stop running If this procedure does not cause the pump to operate as described either replace the float s or replace the alternator relay if the system is duplex H O A switch may be in hand position
4. Lower float may have failed causing the pump to continue operating below the off level Pump may be air locked Cutters may be clogged Short circuit in pump motor Water may have entered the motor housing through either worn out mechanical seals or O rings Contactor failure for three phase pumps Check pump contactor for burnt contacts Start component s failure for single phase pumps Check start capacitor and start relay for failure Single phase pump may be miss wired to panel The white black and red pump power leads must be connected correctly to panel Cutters may be clogged It is possible that the pump stalled during operation and starting and stopping cleared the cutters If resetting the overloads solves this problem return the H O A switch to AUTO and observe operation Pump motor may have failed Start component s failure for single phase pumps Check start capacitor and start relay for failure Single phase pump may be miss wired to panel The white black and red pump power leads must be connected correctly to panel SIMPLEX SYSTEM DUPLEX SYSTEM 1 25 30 1 3 4 3 4 2 7 x 7 7 30 I 26 27 28 29 5 26 27 28 29 5 i 37 A 37 6 35 35 8 21 22 23 21 22 23 T 18 9 10 11 i 19 20 10 11 9 10 11 20 12 13 14 19 20 12 13 14 o I 36 24 15 15 16 J 16 39 40
5. a conduit seal outside the basin to prevent surface water from entering the junction box NOTE Failure to utilize a manufacturer approved control panel voids warranty IMPORTANT Properly connect the panel ground wire to a grounding rod Improper grounding voids warranty Panel Wiring Step 1 Ensure power source is off or disconnected and connect pump power seal failure heat sensor and float cords to panel terminals per the schematic provided All conduits and cables entering the panel must be sealed off For single phase pumps Check panel wiring to ensure white black and red pump leads are connected according to the schematic and panel wire labels Single phase pumps will only run if connected one way Three phase pumps Interchange any two line leads to the motor inside the panel if the pump rotates in the wrong direction Electrical Connections MG200 amp MGPD200 230 V 1 Phase Black Common Power Line White Main Power Line Green Ground V2 and WGL20 1 Phase Green Ground Red Start Power Line White Main Power Line Black Common Power Line Orange Seal Failure WG20 1 Phase Power Cord Green Ground Red Start Power Line White Main Power Line Black Common Power Line Control Cord Green Ground Black White Heat Sensor Orange Red Seal Leak Probe E 03 455 04 08 15 Preoperational Grinder Pump Checks Step 1 Ensure power source is off or disconnected and remove pump from basin Step 2 With power of
6. gt PENTAIR MYERS SFA 1Z9 SYSTEM LOW PRESSURE SEWAGE SYSTEM INSTALLATION AND SERVICE MANUAL For use with the following Myers grinder pumps MG200 MGPD200 shown on cover v2 WGL20 WG20 and WGX20 NOTE To the installer Please make sure you provide this manual to the owner of the equipment or to the responsible party who maintains the system Part 05625 455 1 2015 Pentair Ltd 04 08 15 GENERAL INFORMATION Thank you for purchasing your Low Pressure Sewer Basin System Before Installation This manual contains important information for the safe use of this product Read this manual completely and follow the instructions carefully Reasonable care and safe methods relating to the installation and operation of this product should be practiced Check local codes and requirements before installation DANGER Risk of electrical shock or electrocution May result in serious injury or death or fire hazard Installer must disconnect all electrical sources prior to installation Only qualified personnel may install this system NFPA 70 National Electric Code NEC or local codes must be followed System must be properly grounded according to NEC DANGER Biohazard Risk Once wastewater source has been connected to system Biohazard Risk exists Installer s and or service personnel must use proper Personal Protective Equipment and follow handling procedures per OSHA 29 CFR 1910 1030 when handling equipment
7. nameplate may indicate this problem Pump rotation may be reversed on three phase pumps only Switching any two power leads on three phase pumps will correct the rotation Discharge gate valve may be closed Pump may be air locked Fill basin approximately 10 inches or more above the ball check valve assembly Raise pump assembly so that the ball check valve disengages the discharge elbow approximately 6 inches Stand clear from the sump opening to avoid spray and turn pump on for a brief second to clear trapped air in the volute Clogging anywhere from cutters to check valve This is evident if no water discharged out of the check valve after raising the pump to disconnect the sealing flange Pull pump assembly and check for cause of clogging Discharge head may be too high Check elevation against design point of pump Clogging beyond the sealing flange This is evident if water is discharged through the check valve when raising the pump to disconnect the sealing flange Inspect system basin piping or discharge piping from basin to locate clogging This indication means the lower seal has failed and has allowed water to enter the lower seal chamber to make contact with the electrode Pump must be scheduled for maintenance Refer to the pump installation and service manual for information on replacing the lower seal NOTE Use twisted shielded cable for seal failure cable runs in excess of 100 feet E 03 455 04 08 15
8. 17 i a 17 m 25 38 31 32 31 32 NOTE Typical installations shown 33 34 33 34 actual installation may vary SIMPLEX SYSTEM PARTS LIST 719360200 Cover Sump 24 Plastic 145340163 Handle 48 Discharge Depth 2397A012 Rope Liftout 15 21936D300 Cover Sump 24 Poly 145340173 Handle 60 Discharge Depth 140841001 Hub Junction Box 2 NPT 23901D301 Tank FRP 24 x 60 010320031 Nut Jam 001760081 Cap Screw 23901D304 Tank FRP 24 x 72 24227B029 Hub Tank Assy 1 1 4 001120021 Hex Nut 23901D306 Tank FRP 24 x 84 24227B030 Plate Backup 131070021 Washer Sealing 23901D308 Tank FRP 24 x 96 22251A004 Gasket 128070151 Box Junction Nema 6x 27570D001 Tank Poly 24 x 60 19101A017 Cap Screw 148870001 Stand Wire 27570D002 Tank Poly 24 x 72 010320031 Hex Nut 002380071 Cap Screw 27570D003 Tank Poly 24 x 84 05454A015 Washer Lock 001560321 Washer Flat 27570D004 Tank Poly 24 x 96 063750635 Gate Valve Assembly 010320031 Hex Nut 002380031 Cap Screw plastic 149130035 Discharge Piping Assembly 27012B505 Bracket SST for Pressure Bell 19099A033 Cap Screw poly 129610783 Pipe 1 1 4 x 23 1 4 SST 22470B005 Tree Bracket SST for Floats 001560321 Washer Flat plastic 129610913 Pipe 1 1 4 x 27 5 8 SST 124330483 Pipe 2 x 26 1 2 05030A138 Washer Flat poly 07947A020 Cross 1 1 4 SST 124330493 Pipe 2 x 3
9. 8 1 2 097813264 Brace Valve Stem 05004A122 Bushing 1 1 4 x 1 2 PVC 124330503 Pipe 2 x 50 1 2 085373165 Handle Extension 2 0 Deep 149850001 Valve Relief 06986A084 Pipe 2 x 62 1 2 085373015 Handle Extension 3 0 Deep 148790001 Valve Anti Siphon 27012B508 Tube 50 Press 085373035 Handle Extension 4 0 Deep 05004A114 Bushing 1 1 4 x 3 4 PVC 27012B300 Pressure Bell 085373055 Handle Extension 5 0 Deep 05008A059 Nipple 3 4 Close PVC 21813A300 Float Switches not shown 145340083 Handle 24 Discharge Depth 24335A001 4 Inlet Grommet 14755A002 Float Bushings not shown 145340013 Handle 36 Discharge Depth o2 2 2 o2 a2 aloalaloal oa a a a a a a aJja DUPLEX SYSTEM PARTS LIST Part No Description A Description 24951C036 Cover Sump 36 Fiberglass 19101A017 Cap Screw 140020601 Tank FRP 36 x 60 010320031 Hex Nut 140020721 Tank FRP 36 x 72 05454A015 Washer Lock 140020841 Tank FRP 36 x 84 063750635 Gate Valve Assembly 140020961 Tank FRP 36 x 96 149130035 Discharge Piping Assembly 002380031 Cap Screw 129610783 Pipe 1 1 4 x 23 1 4 SST 001560321 Washer Flat 129610913 Pipe 1 1 4 x 27 5 8 SST 097813065 Brace Valve Stem 07947A020 Cross 1 1 4 SST 085373165 Handle Extension 2 0 Depth 05004A122 Bushing 1 1 4 x 1 2 PV
10. C 085373015 Handle Extension 3 0 Depth 149850001 Valve Relief 085373035 Handle Extension 4 0 Depth 148790001 Valve Anti Siphon 145340083 Handle Lifting 24 Disch Depth 05004A114 Bushing 1 1 4 x 3 4 PVC 145340013 Handle Lifting 36 Disch Depth 05008A059 Nipple 3 4 Close PVC 145340163 Handle Lifting 48 Disch Depth 24335A001 4 Inlet Grommet 145340173 Handle Lifting 60 Disch Depth 2397A012 Rope Liftout 15 010320031 Nut Jam 140841001 Hub Junction Box 2 NPT 24227B026 Hub Tank Assy 1 1 4 001760081 Cap Screw 24227B030 Plate Backup 001120021 Hex Nut 22251A004 Gasket No Patno Desoripton _ a 131070021 Washer Sealing 128070151 Box Junction Nema 6x 148870001 Stand Wire 002380071 Cap Screw 001560321 Washer Flat 010320031 Hex Nut 27012B505 Bracket SST for Pressure Bell 22470005 Tree Bracket SST for Floats 124330483 Pipe 2 x 26 1 2 124330493 Pipe 2 x 38 1 2 124330503 Pipe 2 x 50 1 2 06986A084 Pipe 2 x 62 1 2 27012B508 Tube 50 Press 27012B300 Pressure Bell 143783365 Brace Support SST 063120011 Clamp Muffler SST 21813A300 Float Switches not shown 147554002 Float Bushings not shown 2 2 HLH PMH H PMP MPM JM PM PM P PM P alrmo oalafjafafja al a a alanlol a rml ala A A
11. DISCLAIMS THE IMPLIED WARRANTIES S Liability Limitation IN NO EVENT SHALL PENTAIR MYERS BE LIABLE OR RESPONSIBLE FOR CONSEQUENTIAL NCIDENTAL OR SPECIAL DAMAGES RESULTING FROM OR RELATED IN ANY MANNER TO ANY PENTAIR MYERS PRODUCT OR PARTS THEREOF PERSONAL INJURY AND OR PROPERTY DAMAGE MAY RESULT FROM PROPER NSTALLATION PENTAIR MYERS DISCLAIMS ALL LIABILITY INCLUDING LIABILITY UNDER THIS WARRANTY FOR MPROPER INSTALLATION PENTAIR MYERS RECOMMENDS INSTALLATION BY PROFESSIONALS Some states do not permit some or all of the above warranty limitations or the exclusion or limitation of incidental or consequential damages and therefore such limitations may not apply to you No warranties or representations at any time made by any representatives of Pentair Myers shall vary or expand the provision hereof gt PENTAIR MYERS 1101 MYERS PARKWAY ASHLAND OHIO USA 44805 419 289 1144 WWW FEMYERS COM Warranty Rev 12 13 490 PINEBUSH ROAD UNIT 4 CAMBRIDGE ONTARIO CANADA N1T 0A5 800 363 PUMP
12. after wastewater source has been connected to system DANGER Risk of fire or explosion Do not smoke or use open flames in or around this system This system is not intended for use in hazardous locations per NFPA 70 National Electric Code Consult factory for optional equipment rated for this use DANGER Cutting Risk Risk of serious cutting or amputation exists Disconnect all power sources prior to servicing pump or grinding mechanism Pump may start without warning Grinding mechanism is extremely sharp Use caution when handling grinder mechanism CAUTION Myers does not recommend basins with base bottom diameters greater than 30 when installing a simplex positive displacement pump MGPD200 system When operational conditions require a basin with base bottom diameter of greater than 30 it is necessary to perform a sludge pump out on the basin at least once per year to prevent any potential septic odor conditions CALIFORNIA PROPOSITION 65 WARNING AWARNING This product and related accessories contain chemicals known to the State of California to cause cancer birth defects or other reproductive harm E 03 455 04 08 15 INSTALLATION SKILL REQUIREMENTS The installation of a basin system is a specialized skill which requires individuals with the basic understanding of excavating pipe fitting and electrical wiring These instructions are meant only to be an installation guide therefore unusual ins
13. ering or specifying as material varies upon geographical location This material is commonly known as pea gravel B Stone or gravel crushings with angular particle size of not less than 1 8 nor more than 1 2 diameter washed and free flowing is acceptable as an alternative material Step 2 At least a 4 6 inch wide band of compacted aggregate must be placed in successive layers 6 lifts around the entire periphery of the basin Carefully compact aggregate under all piping and electrical lines Cover grade should slope down 3 to the normal surrounding grade Care must be taken to prevent damage to any influent discharge or electrical connections made to the basin INTERNAL BASIN INSTALLATION INSTRUCTIONS Remove pump from carton When unpacking unit check for concealed damage Claims for damage must be made at the receiving end through the delivery carrier Damage cannot be processed from the factory Systems Description Factory built basin systems are available in 24 and 30 diameter basins with 60 through 156 depths in one foot increments In a flex hose system the pump is raised and lowered in the basin using rope or chain attached to pump and lifting handle attached to ball check valve A hydraulic sealing diaphragm on ball check valve allows the pump to be removed without disconnecting piping Pump Models The basin system may employ any 2 HP submersible grinder pump which utilizes cutter blades to grind sol
14. ete pad or aggregate surface must be leveled flat and free of voids to conform to the basin bottom Basin bedding depth should be calculated such that the basin top will protrude 3 above the normal grade upon final installation Step 2 Lifting of the basin may be done with a nylon or other non damaging type material sling Do not wrap a chain or steel cable around the basin as damage may result Do not attach lifting mechanism around discharge hub or electrical hub DANGER Failure to properly support electrical conduit lines and connections may result in structural failure Electrical connections may be damaged exposing live electrical connections Step 3 Lower the basin into excavation position and level properly Mount basin to base anchor bolts if an anti flotation tie down kit is used If basin is fiberglass inspect basin and seal off any cuts or scratches to prevent fiberglass deterioration INFLUENT AND DISCHARGE CONNECTION INSTRUCTIONS Influent and Discharge Connections for Basins Step 1 An inlet grommet is the standard supplied influent connection device Determine point at which influent line will enter basin and using a properly maintained piloted hole saw sized per chart below drill a hole through the basin wall If using a fiberglass basin clean cut hole and apply a sealant coating to the cut section to prevent fiberglass deterioration Insert the inlet grommet into the drilled hole Hole Saw Diameter
15. f turn radial cutter with a screwdriver to be sure it rotates freely Step 3 Stand clear from pump and with power on check for proper rotation of pump by turning H O A switch to HAND momentarily and then OFF The impeller should turn counterclockwise when viewed from the suction end PUMP OPERATIONS Step 1 Run clear water into the basin until motor housing is covered Step 2 Open the shut off valve to the discharge line Step 3 Turn H O A switch to the OFF position and turn on main breaker Step 4 Start the pump by turning the H O A switch to the HAND position Step 5 Check the pump amperage with clamp on ampmeter on black pump lead Readings higher than nameplate indicate clogged pump miswiring or improper voltage If basin is not being pumped down and amperage readings are considerably lower than nameplate then the pump may be air locked NOTE Nameplate amperage is rated at the largest impeller diameter trim Pumps with cut diameter impellers will draw slightly fewer amps than nameplate If pump is air locked refer to the troubleshooting section in this manual Step 6 for float control systems only Float adjustment for simplex systems Adjust floats so that the water level is above the pump motor housing and the pump shuts off when the water level is 2 inches above the pump volute discharge Float adjustment for duplex systems Adjust floats so that a pump will start when the water level is ju
16. for all dual seal pumps Under no circumstance will Pentair Myers be responsible for the cost of field labor travel expenses rented equipment removal reinstallation costs or freight expenses to and from the factory or an authorized Pentair Myers service facility This limited warranty will not apply a to defects or malfunctions resulting from failure to properly install operate or maintain the unit in accordance with the printed instructions provided b to failures resulting from abuse accident or negligence c to normal maintenance services and parts used in connection with such service d to units that are not installed in accordance with applicable local codes ordinances and good trade practices e if the unit is moved from its original installation location f if unit is used for purposes other than for what it is designed and manufactured g to any unit that has been repaired or altered by anyone other than Pentair Myers or an authorized Warranty Exclusions P THE DESCRIPTION ON THE FACE HEREOF PENTAIR MYERS SPECIFI RCHANTABILITY AND FITNESS FOR ANY PARTICULAR PURP OFM Pentair Myers service provider h to any unit that has been repaired using non factory specified OEM parts ENTAIR MYERS MAKES NO EXPRESS OR IMPLIED WARRANTIES THAT EXTEND BEYOND CALLY
17. ids into a slurry These pump systems are designed for pumping effluent or sewage water only Grinder Pump Attachments Step 1 Attach the stainless steel foot bracket to bottom of the pump with bolts and washers provided Step 2 Apply pipe by applying thread sealant to pipe threads and screw the discharge piping assembly into the pump discharge Step 3 Attach lifting chain cable or rope as supplied to the lifting eye bolts Internal Basin Connections Step 1 If the system is supplied with a float bracket attach float switches to the float bracket by clamping strain relief bushings around the float cords then inserting and twisting the bushings into the float bracket slots If the system is supplied with a pressure bell control unit please refer to the separate manual regarding the pressure bell control unit Step 2 After grinder pump attachments have been made lower the pump unit down and ensure the ball check E 03 455 04 08 15 valve sealing flange aligns and connects properly with discharge Junction Box Systems Step 1 Ensure power source is off or disconnected and push pump power seal failure neat sensor and float cords through cord grips in the junction box and tighten To prevent corrosion or electrical short plug any unused holes Step 2 Remove junction box cover and make all connections inside junction box to all incoming control panel wires It is recommended that the customer furnish and install
18. st above the pump motor housing and pump on override water level is 5 inches above the pump motor housing Adjust pump shut off so that water level is within 2 inches above pump volute discharge Pumps should alternate starting between each other upon successive pump down cycles To check override level set both H O A switches to OFF position and allow water to surpass the override level then set both H O A switches to AUTO position and both pumps should start Turn off one pump and be sure second pump starts when override level is reached on second trial If pumps fail to cycle in this manner retrace control float wiring panel Step 7 Ensure H O A switch is set to AUTO before placing system into service FINAL BACKFILL FOR BASIN SYSTEMS Polyethylene lt Backfill 4 to 6 Discharge Backfill Antiflotation Flange 4 to 6 Concrete Ballast Refer to Local Codes Bedding Concrete Pad or Aggregate Fiberglass i Backfill 4 to 6 1 Discharge Backfill Anchor Bolts Antiflotation Flange Mounting 4 to 6 Bedding Concrete Pad or Aggregate CHECK LIST IF PUMP DOES NOT OPERATE PROPERLY Below is a list of common problems and possible solutions CONDITION Pump Runs But Does Not Pump Down The Basin With The H O A Switch On Either Hand Or Automatic Position Seal Failure Light Comes On PROBABLE CAUSE 1 Cutters may be clogged Amperage higher than
19. tallation conditions not covered in these instructions require experienced personnel capable of utilizing reasonable engineering principles for the installation and operation of the system EXCAVATION INSTRUCTIONS DANGER Excavation Location Excavation location shall be made according to local codes and regulations Check with local utility companies for the location of underground utilities prior to excavation Care should be taken to avoid buried utility lines piping and other buried structures and foundations Failure to follow these instructions may result in serious personal injury or death BASIN INSTALLATION INSTRUCTIONS CAUTION If the basin is not tied down during installation rain or flood conditions may cause the basin to float upward causing damage to the basin or basin connections Basin System Handling Factory built basin systems must not be dropped dragged rolled or handled with sharp objects Improper handling of basins may result in damage to the basin damage to basin components or leaks in the piping assemblies Step 1 The pad under the basin requires 4 to 6 inches of appropriate fill The ideal basin pad is concrete in conjunction with anti flotation tie down studs Basin anti flotation tie down kits are available from Myers If concrete pad is not used the aggregate must be compacted to a minimum 85 standard proctor density per ASTM D698 or as required by the Authority Having Jurisdiction Concr
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