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1. i Start 10 Locked Rotor H P Speed Volts Phase Stack Height Main Brn To Brn Or Max Amps Black To Purple White To Red Amps White Black To Red 32 ME Series 115 9 8 14 7 12 1 29 6 208 1 6 7 16 5 230 9 8 19 7 6 0 15 0 1 2 1 5 8 208 230 11 3 11 3 11 3 3 5 3 2 12 8 460 3 45 4 45 4 45 4 1 6 6 4 575 71 0 71 0 71 0 1 3 5 1 115 85 4 9 13 8 30 4 1 2 1 4 208 230 4 5 12 0 7 6 6 9 16 2 3 4 208 230 7 6 7 6 7 6 5 2 4 7 20 2 460 3 2 30 1 30 1 30 1 2 3 10 1 3450 575 47 0 47 0 47 0 1 9 8 1 208 10 3 21 0 1 2 3 4 230 3 0 2 6 16 14 9 3 19 0 1 208 230 5 3 5 3 5 3 6 6 6 0 29 0 460 3 2 1 2 21 2 21 2 21 2 3 0 14 5 575 33 1 33 1 33 1 2 4 11 6 208 1 14 1 230 2 4 12 0 12 8 23 0 1 1 2 208 230 2 3 4 45 4 5 45 8 8 8 0 30 0 460 3 16 0 16 0 16 0 4 0 15 0 575 25 0 25 0 25 0 3 2 12 0 MW Series 208 7 6 1 2 1 4 45 12 0 16 2 230 6 9 208 5 2 1 2 7 6 7 6 7 6 20 2 230 3 2 47 460 30 1 30 1 30 1 2 3 10 1 575 47 0 47 0 47 0 1 9 8 1 208 2 2 11 5 10 3 21 0 1 2 3 4 230 28 15 0 9 3 19 0 208 6 6 1 5 3 5 3 5 3 29 0 230 6 0 3 2 1 2 460 21 2 21 2 21 2 3 0 14 5 575 33 1 33 1 33 1 2 4 11 6 3450 208 1 2 1 9 3 14 8 39 9 230 1 6 7 4 12 8 33 4 208 7 7 1 1 2 4 5 4 5 4 5 30 0 230 3 7 0 460 1
2. PE NTAI R INSTALLATION AND SERVICE MANUAL Submersible Sump Effluent amp Sewage Pumps MYERS MWH50 MW200 Series ME50 ME150 Series Single and double seal Single and three phase power Double Seal Pump Single Seal Pump ME50S ME75S ME5OD ME75D ME100S ME150S ME100D ME150D MWH50 MW100 MWH50D MW100D MW150 MW200 MW150D MW200D 293 WRIGHT STREET DELAVAN WI 53115 WWW FEMYERS COM PH 888 987 8677 2013 Pentair Ltd All Rights Reserved 23833A278 Rev 02 01 13 Typical Section Drawing For ME MW50 200 Single Seal Pumps OIL LEVEL 2 NPT Single Seal Repair Parts List Ref Description Qty Part Numbers Ref Description Qty Part Number 1 Nut cord plug solid 1 25341A002 16 amp 17 Stator Rotor shaft with shell 1 See Chart 2 Washer 1 32 Thk 1 05030A234 18 Bearing ball lower 1 08565A022 3 Gasket Rubber 1 05014A193 19 Seal shaft 1 25370A000 4 Washer 3 32 Thk 1 05030A235 20 Plate brg amp seal 1 25367D000 5 Plug 1 4 pipe 1 05022A009 21 Gasket tetraseal 7x6 3 4x1 8 1 05014A181 6 Cord Power 1 See Chart 22 Screw cap 5 16 x 1 1 4 8 19100A012 7 Screw drive 2 05160A004 23 Impeller 1 See Chart 8 Name Plate 1 N A Case volut
3. These units can also be used for sump and general dewatering applications where larger solids capabilities are required When used in Effluent dosing or S T E P applications the pump must be installed in a separate tank or compartment at the discharger side of the septic tank Never install pump in tank where sludge collects These pumps are available in single phase and three phase and either in single seal or double seal with seal leak detector All three phase units all double seal units and all duplex installations must be used with a control box All power cords and seal leak detector cords are 20 feet long The ME model impellers are enclosed two vane type to handle 34 spherical solids and are available made of engineered thermoplastic or cast brass All pumps have a 2 NPT discharge tapping The MW model impellers are enclosed two vane non clog style designed to handle 2 spherical solids The MW pumps are available with standard cast iron or optional cast brass impellers These pumps are NOT for use in swimming pools or fountains Air Locking A sump pump is said to be air locked if water traps air in the pump and it cannot get out thus preventing the pump from operating In installation of this type a 1 8 hole should be drilled in the discharge pipe just above the pump discharge The check valve should be 12 to 18 inches above pump discharge Do not put check valve directly into pump discharge opening follow local co
4. cord and securely connect the wires correctly See wiring diagram in these instructions Assemble cords and motor housing as described in Capacitor Replacement Fill with oil as noted and be sure pump turns freely before connecting to power To Replace Motor Stator And Shell 1 Remove motor housing as described above 2 Disconnect all leads from power and seal leak cords and ground wire and set pump upright Loosen the four long screw holding the motor and remove slowly If unit has seal leak probes be sure to feed the wires through the slots as the motor is being removed Either remove previous capacitor and clamp from old motor and assemble onto new stator and shell or replace with a new capacitor and assemble the two capacitor leads per wiring diagram Position bearing spring washer on top of upper ball bearing Fig 1 3 HP as shown in Figure 1 Tighten terminal screws of seal leak probes and feed wires through the motor slots 2 3 4 3 4 5 6 7 Position the stator with shell into place and line up screws with the bosses and tighten the 4 long screws Extend probe wires out through the slots Lay unit down in line with motor housing 8 Be sure pump turns freely with screwdriver in impeller end of shaft 9 Reconnect all terminals securely per wiring diagram 10 Be sure tetraseal gasket is in place 11 Reassemble motor housing and fil
5. 0 1 25331D000 11 Washer bearing 1 19331A005 Case volute MWH50 200 1 26057D000 12 Bearing ball upper 1 08565A013 27 Cup U HUVA ME50 150 1 22835A005 13 amp 14 Stator Rotor shaft with shell 1 See Chart Cup U HUVA MWH50 200 1 22835A009 15 Wire electrode 2 21792A004 28 Washer Impeller Retainer 1 05030A242 16 Screw 6 x 1 4 2 05434A025 29 Screw Machine 10 x 3 8 1 06106A042 17 Seal Probe 2 25343A000 30 Sealant 1 14550A001 Unit manufactured prior to Aug 2007 contact factory for repair parts Item Number 2 6 7 13 amp 14 25 Stator Rotor ME ME MWH MWH HP Volts PH ord Capacitor rid amp Shaft Impeller Impeller Impeller Impeller 9 9 Ass y Plastic Brass DI Brass 115 1 25338B004 25484D200 208 1 253388006 23839A000 20333A006 230 1 25338B005 254840201 1 2 208 3 25333B025 25348B121 26029B013 26029B113 230 3 25484D202 460 3 25338B003 575 3 25484D203 115 1 25338B002 25484D200 208 1 25338B002 23839A000 20333A006 230 1 25338B001 EM 3 4 208 3 25348B020 25348B120 230 3 25484D202 460 3 25338B003 575 3 25484D203 208 1 25484D204 230 1 2532388001 253388002 23838A000 20333A004 2654840205 208 3 1 230 3 25484D206 25348B010 25348B110 26029B012 26029B112 460 3 575 3 25484D207 208 1 25484D204 230 1 25338B001 25338B002 23838A000 20333A004 25484D205 208 3 1 1 2 230 3 ec 25484D206 25348B000 25348B100 26029B011 26029B111 460 3 575 3 25484D207 208 1 23839A000 25484D208 230 1 29999500
6. 01 ME100D 21 ME150D 01 ME150D 21 MWH50D 01 MWH50D 21 MW100D 01 MW100D 21 MW150D 01 MW150D 21 MW200D 01 MW200D 21 Required Panel Pumps CMEP SL 218 21SW 21D or 21DW MES50D 03 ME50D 23 ME75D 03 ME75D 23 ME100D 03 ME100D 23 ME150D 03 ME150D 23 MWHS50D 03 MWH50D 23 MW100D 03 MW100D 23 MW150D 03 MW150D 23 MW200D 03 MW200D 23 Required Panel Pumps CMEP SL 23S 23SW 23D or 23DW MES50D 43 ME75D 43 ME100D 43 ME150D 43 MWHS50D 43 MW100D 43 MW150D 43 MW200D 43 Required Panel CMEP SL 43S 43SW 43D or 43DW 71 VISUAL ALARM ME Series Dimensions Inches milimeters Model Seri odel Series A 5 F ME50S 16 8 427 4 09 1 03 12 13 ME50D 18 6 472 104 26 308 ME75S ME100S ME150S ME75D ME100D ME150D ME Performance Curve CAPACITY LITERS PER MINUTE TOTAL HEAD IN FEET TOTAL HEAD IN METERS 0 0 10 20 30 40 50 60 70 80 90 100 110 120 130 CAPACITY GALLONS PER MINUTE MW Series Dimensions 17 09 MW Performance Curve CAPACITY LITERS PER MINUTE 0 100 200 300 400 500 600 TOTAL HEAD IN FEET TOTAL HEAD IN METERS 0 20 40 60 80 100 120 140 160 180 CAPACITY GALLONS PER MINUTE 15 Motor Data Chart Winding Resistance In Ohms
7. 2523488000 2534885100 260298011 26029B111 460 3 253388003 25484D106 575 3 208 1 23839A000 25484D108 230 1 299398009 26520A000 25484D109 2 20g 3 25338B008 254940110 26029B000 26029B100 230 3 460 3 25484D111 575 3 29990R009 25484D112 Typical Section Drawing For ME MW50 200 Double Seal Pumps Te Double Seal Repair Parts List Ref Description Qty Part Number Ref Description Qty Part Number 1 Cord Sensor 1 25339B000 18 Bearing ball lower 1 08565A022 2 Cord Power 1 See Chart 19 Seal shaft 1 25370A000 3 Screw drive 2 05160A004 20 Ring retaining 2 12558A021 4 Name Plate 1 N A Ring retaining 1 12558A033 5 Housing Motor 1 25327D000 21 Gasket tetraseal 7x6 3 4x1 8 2 05014A181 6 Capacitor 1Ph only 1 See Chart 22 Housing seal 1 25369D000 7 Clip capacitor 1 Ph only 1 See Chart 23 Plate bottom 1 25368D000 8 Plug 1 4 pipe 1 05022A009 24 Screw cap 5 16 x 1 1 4 12 19100A012 9 Oil Transformer 1 12 gal 11009A006 25 Impeller 1 See Chart 9A Connectors 3 Ph only 3 6 15781A001 Case volute ME50 1 25357D000 10 Screw st 10 x 3 8 2 09822A032 26 Case volute ME75 15
8. 8 0 18 0 18 0 3 5 15 0 575 28 0 28 0 28 0 2 8 12 0 2 3 4 208 1 2 1 9 3 15 3 39 9 230 1 6 7 4 13 1 33 4 208 4 5 4 5 65 2 45 30 0 230 3 45 45 7 7 460 18 0 18 0 18 0 3 9 15 0 575 28 0 28 0 28 0 3 1 12 0 16 Limited Warranty F E MYERS warrants to the original consumer purchaser Purchaser or You of the products listed below that they will be free from defects in material and workmanship for the Warranty Period shown below Product Warranty Period whichever occurs first 12 months from date of original installation or 18 months from date of manufacture Jet pumps small centrifugal pumps submersible pumps and related accessories Fibrewound Tanks 5 years from date of original installation Steel Pressure Tanks 5 years from date of original installation 12 months from date of original installation or 24 months from date of manufacture Sump Sewage Effluent Products Our warranty will not apply to any product that in our sole judgement has been subject to negligence misapplication improper installation or improper maintenance Without limiting the foregoing operating a three phase motor with single phase power through a phase converter will void the warranty Note also that three phase motors must be protected by three leg ambient compensated extra quick trip overload relays of the recommended size or the warranty is void Your only remedy and F E MYERS s only duty is that FE MY
9. 9 26520A000 203334000 25484D209 2 ee 3 25338B008 254040210 26029B000 26029B100 230 3 460 3 25484D211 575 3 25484D212 Important Safety Instructions SAVE THESE INSTRUCTIONS This manual contains important instructions that should be followed during installation operation and maintenance of the product Save this manual for future reference A This is the safety alert symbol When you see this symbol on your pump or in this manual look for one of the following signal words and be alert to the potential for personal injury indicates a hazard which if not avoided will result in death or serious injury A WARNING indicates a hazard which if not avoided could result in death or serious injury ACAUTION indicates a hazard which if not avoided could result in minor or moderate injury NOTICE addresses practices not related to personal injury AWARNING Risk of electric shock Pumps with a single seal are supplied with a grounding conductor and grounding type attachment plug on the power cord To reduce the risk of electric shock e Be certain that it is connected only to a properly grounded grounding type receptacle e DO NOT cut off ground pin or use an adapter fitting DO NOT use an extension cord with this pump Entire plug may be cut off if a control panel is used e All double seal pumps all duplex installations and all three phase pumps require a control box e
10. Double Seal Pumps All pumps in this series ME D or MW D have two seals with an oil chamber between the seals so that the seal faces of both the lower and upper seals are oil lubricated for longer life and greater protection against water leaking into the motor windings These double seal units are all made with a seal leak detector The leak detector in the oil seal chamber detects any water leakage into the chamber and turns on a red signal light in the control panel Pumps should be removed from the sump and seals replaced after the seal light shows in the panel Control panels must be used for pumps having the seal leak detectors and seal leak detectors must be wired as illustrated in these instructions Design Of Pressure Sewer Systems MYERS has available complete computer SOFTWARE for designing PRESSURE SEWER SYSTEMS This gives pipe sizes to use and gives exact flow from any pump or group of pumps in the system when operating simultaneously This design DISK for IBM or COMPATIBLE computers is available to engineers on request Motor Type Motors are 54 frame 1 3 2HP single or three phase 60 Hertz 3450 R P M with class B insulation All single phase motors are permanent split capacitor PSC type with built in on winding overload protection and do not require a start switch or start relay The three phase pump motors require a magnetic starter with 3 leg overload protection All motors have upper and l
11. ERS repair or replace defective products at F E MYERS s choice You must pay all labor and shipping charges associated with this warranty and must request warranty service through the installing dealer as soon as a problem is discovered No request for service will be accepted if received after the Warranty Period has expired This warranty is not transferable F E MYERS SHALL NOT BE LIABLE FOR ANY CONSEQUENTIAL INCIDENTAL OR CONTINGENT DAMAGES WHATSOEVER THE FOREGOING LIMITED WARRANTIES ARE EXCLUSIVE AND IN LIEU OF ALL OTHER EXPRESS AND IMPLIED WARRANTIES INCLUDING BUT NOT LIMITED TO IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE THE FOREGOING LIMITED WARRANTIES SHALL NOT EXTEND BEYOND THE DURATION PROVIDED HEREIN Some states do not allow the exclusion or limitation of incidental or consequential damages or limitations on the duration of an implied warranty so the above limitations or exclusions may not apply to You This warranty gives You specific legal rights and You may also have other rights which vary from state to state This Limited Warranty is effective June 1 2011 and replaces all undated warranties and warranties dated before June 1 2011 F E MYERS 293 Wright Street Delavan WI 53115 Phone 888 987 8677 Fax 800 426 9446 www femyers com In Canada P O Box 9138 269 Trillium Dr Kitchener Ontario N2G 4WS Phone 519 748 5470 Fax 888 G06 5484 This page intentionally left bl
12. TING BRACKET SST RAIL SUPPORT 748 48 BASIN COVER W HINGED HATCH JUNCTION BOX STRUCT PLASTIC amp LOCK HASP EPOXY COATED 1 4 STEEL VALVE EXTENSION HANDLE 6 2 CONDUIT AS REQ D LIFT OUT ROPE 48 DIA B CONCRETE AS REQ D 2 DISCHARGE 2 GATE VALVE BRASS INLET HUB AS REQ D AS REQ D 2 DISCHARGE PIPE PVC GUIDE RAILS 3 4 GALV HIGHWATER ALARM LEVEL LAG PUMP ON LEVEL PITLESS DISCONNECT BRASS LEAD PUMP ON LEVEL 2 SWING CHECK VALVE PVC PUMP OFF LEVEL ME 1 3 1 1 2 HP EFFLUENT PUMP MW 1 2 2 HP SEWAGE PUMP To Replace Capacitors Only All of the single phase motors are of the permanent split capacitor type and have no relays or starting switch They have only a starting capacitor that is in the circuit for both starting and running conditions 1 Remove oil fill plug near the top of the motor and pour the oil out Loosen the pug nuts around the cords until they are loose enough to push the cords down inside of the motor housing Remove the four bolts from the motor housing and bump the housing with a plastic hammer to loosen Lay the pump on its side Remove the housing carefully to be sure that enough cord is pushed into the housing to create no tension on the cords 2 Slide motor housing up far enough to expose the capacitor and to be able to lay the housing down 6 Disconnect wiring from capacitor and loosen capaci
13. When wiring this pump follow all local electrical and safety codes and ordinances as well as the most recent National Electric Code NEC ANSI NFPA 70 All pumps have a GROUND WIRE that is connected to a screw in the metal motor housing This wire goes to the receptacle or control box which must be connected to a good outside GROUND such as a metal water pipe or GROUND STAKE driven at least 8 feet into the ground When overload current protection is provided by installer USE WITH APPROVED MOTOR CONTROL THAT MATCHES MOTOR INPUT IN FULL LOAD AMPERES WITH OVERLOAD ELEMENT S SELECTED OR ADJUSTED IN ACCORDANCE WITH CONTROL INSTRUCTIONS When motor has built in overload protection USE WITH APPROVED MOTOR CONTROL THAT MATCHES MOTOR INPUT IN FULL LOAD AMPERES California Proposition 65 Warning A WARNING This product and related accessories contain chemicals known to the State of California to cause cancer birth defects or other reproductive harm General Description and Application Myers ME and MW series pumps are available in both a single seal design and double seal design with leak detector The ME50 ME150 models are designed for Effluent dosing Septic Tank Effluent Pumping S T E P or normal sump and general dewatering applications where higher pressure is required These units are designed to handle 34 spherical solids The MWH50 MW200 models are designed for raw sewage applications and can pass 2 spherical solids
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15. de Packaging Each pump is packaged separately in a carton marked with a catalog number and Myers engineering number Level Controls All pumps must use sealed level control switches for automatic operation MLC and MFLC controls have sealed switches that are 1 HP rated at 230 volts ALC and AWS 1 controls have sealed mechanical switches that are rated 2 HP at 230 volts Simplex single phase pumps can be made automatic by attaching MFLC or MLC controls to the pump These switches have a fixed draw off level of 8 to 10 inches and can be used up to 1 HP For higher horsepower ratings two mercury switches or SMNO controls with a magnetic starter can be used Simplex systems may also use on off pilot mercury control switches when permitted by code with control box and magnetic starter The ALC and AWS 1 controls can be used for simplex single phase pumps with ratings up to 2 HP All duplex systems must use pilot mercury control switches with control box and magnetic starters Plug in cords can be used on all the single phase pumps with a single seal does not have a seal leak detector This cord has a GROUND pin that plugs into a grounded receptacle The grounded receptacle cannot be used in the wet sump or basin due to DANGER of current leakage Sealed junction boxes must be used in wet sumps or basins to make connections to motor cord The AWS 1 control also acts as a sealed junction box for connecting power cord to pump cord
16. e ME50 1 25357D000 9 Housing Motor 1 25327D000 24 Case volute ME75 150 1 25331 D000 10 Capacitor 1Ph only 1 See Chart Case volute MWH5 200 1 26057D000 11 Clip capacitor 1 Ph only 1 See Chart 5 Cup U HUVA ME50 150 1 22835A005 12 Oil Transformer 8 1 gal 11009A006 Cup U HUVA MWH50 200 1 22835A009 12A Connectors 3 Ph only 3 6 15781A001 26 Washer Impeller Retainer 1 05030A242 13 Washer bearing 1 19331A005 27 Screw Machine 10 x 3 8 1 06106A042 14 Bearing ball upper 1 08565A013 28 Sealant 1 14550A001 15 Screw st 10 x 3 8 2 09822A032 Unit manufactured prior to Aug 2007 contact factory for repair parts Item Number 10 11 16 amp 17 23 Stator Rotor ME ME MWH MWH HP Volts PH aoe E ord Capacitor ee amp Shaft Impeller Impeller Impeller Impeller 9 9 Ass y Plastic Brass DI Brass 115 1 25338B004 25484D100 208 1 23839A000 20333A006 230 1 25338B005 PISAD TOI 1 2 208 3 25338B006 25333B025 25348B121 26029B013 26029B113 230 3 25484D102 460 3 575 3 25484D103 115 1 25338B000 25484D100 208 1 25338B002 23839A000 20333A006 230 1 25338B001 254940101 3 4 208 3 25348B020 25348B120 230 3 25484D102 460 3 25338B003 575 3 25484D103 208 1 25484D104 230 1 25338B001 25338A002 23838A000 20333A004 25484D105 208 3 1 230 3 TES 25484D106 25348B010 25348B110 26029B012 26029B112 460 3 575 3 25484D107 208 1 25484D104 230 1 2532388001 2533858002 23838A000 20333A004 2548401105 1 1 2 Am
17. e same size as the pump discharge 2 inches or larger In order to insure sufficient fluid velocity to prevent any residual solids from collecting in the discharge pipe it is recommended that a minimum flow of 2 feet per second be maintained 21 GPM through 2 pipe and 46 GPM through 3 pipe It is recommended that PVC or equal pipe is used for corrosion resistance A full flow ball or gate shut off valve must be installed to prevent back flow of effluent if the pump must be removed for service A check valve must be installed on pressure sewer systems and on other systems where conditions allow to prevent backflow and to reduce wear on the pump system A high water alarm must be installed on a separate circuit from the pump circuit The alarm should have the ability to be tested for proper operation Special Instructions For Three Phase Pumps 1 Myers recommends three phase pumps to be installed by qualified personnel AwanNING Risk of electric shock Do not remove cord and strain relief Do not connect conduit to pump 2 Three phase pumps are always installed with control boxes having magnetic starters with 3 leg overload protection DO NOT TRY TO RUN THREE PHASE PUMPS DIRECTLY ACROSS THE LINE 3 To Connect Pump Run wire from pump to the bottom of control box or appropriate junction box suitable for enclosing splice connections A hole must be cut into the control box for the wires With po
18. l with oil as noted above in capacitor replacement NOTICE On three phase motors always check unit for proper rotation With pump on its side apply power by turning on then off quickly Impeller must turn counter clockwise when looking into the impeller inlet If not interchange any two leads in the control box Shaft Seal Replacement 1 Remove plugs in motor housing and in seal housing for double seal units and drain oil 2 Remove four bolts holding the volute case and bump with a plastic hammer to loosen and remove case 3 Hold impeller and unscrew impeller locking screw Turn counterclockwise to loosen Pry off seal bellows and ceramic seat Break seats if necessary to get out since they must be replaced with new parts NEVER USE OLD SEAL PARTS USE ONLY COMPLETELY NEW SEALS Do not use seal spring retainer plate on single seal pump or lower seal of double seal pump For single seal pumps or if only replacing the lower seal of a double seal pump it is not necessary to disassemble further On a double seal pump it is not necessary to drain oil out of the motor housing just the seal housing 7 On a double seal pump to remove the upper seal remove four bolts holding the bottom plate and remove bottom plate 8 Remove snap ring with snap ring pliers Pry off upper seal bellows and ceramic seat If no water has entered motor housing check winding with ohmmeter or megger wipe seal chambers
19. ontrol panel is used be sure H O A switch is in the AUTO position If it does not run turn switch to the HAND position and if the pump runs then the trouble is in the automatic electrical system Have an ELECTRICIAN make electrical checks d Check for burned out motor Occasionally lightning can damage a motor even with lightning protection e Where plug in cords are used be sure contact blades are clean and making good contact DO NOT USE PLUG IN CORDS INSIDE A SUMP OR WET WELL f Level control ball or weight may be stuck on side of basin Be sure it floats freely 2 Pump runs but does not deliver flow a Check air lock Start and stop pump several times if this does not help it may be necessary to loosen a union in the discharge line to relieve air lock b Check valve may be installed backwards Check flow arrow on valve body Check shut off valve It may be closed c Check vertical elevation It may be higher than pump can develop See pump curve d Pump inlet may be plugged Remove pump to check AWARNING Risk of electric shock Always unplug power cords or turn off all main and branch circuit breakers before doing any work on the pump If control panel is remote from pump disconnect lead wires to motor so that no one can turn the circuit breaker back on If motor is three phase mark the leads so they can be replaced in the same order Before Dismantling Pump For Replacement Of Parts Clean pump thor
20. oughly Knock off all scale and deposits Use sandblast if possible Submerge complete unit in dilute bleach solution for one hour before disassembly 30 Diameter Simplex ME MW 1 3 2 HP RAIL SUPPORT CONTROL MOUNTING BRACKET SST JUNCTION BOX STRUCT PLASTIC 30 DIA BASIN COVER VALVE EXTENSION HANDLE 18 As Req d 1 1 2 CONDUIT fs REQ D 7 LIFT OUT ROPE AS REQ D 30 DIA ex 2 DISCHARGE CONCRETE WELL a 2 GATE VALVE BRASS AS REQ D INLET HUB AS REQ D 2 DISCHARGE PIPE PVC GUIDE RAILS 3 4 GALV HIGH WATER ALARM LEVEL ME 1 3 1 1 2 HP EFFLUENT PUMP MW 1 2 2 HP SEWAGE PUMP PITLESS DISCONNECT BRASS 2 SWING CHECK VALVE PVC PUMP OFF LEVEL PUMP ON LEVEL 30 Diameter Simplex Union System ME MW 1 3 2 HP A N CONTROL MOUNTING BRACKET SST JUNCTION BOX 5 STRUCT PLASTIC 30 DIA BASIN COVER 2 UNION PVC 1 1 2 CONDUIT REQ D 2 GATE VALVE BRASS AS REQ D AS REQ D E LIFT OUT ROPE 30 DIA pe CONCRETE ee ae 2 DISCHARGE PIPE PVC AS REQ D INLET HUB AS REQ D 2 DISCHARGE _ HIGH WATER ALARM LEVEL ME 1 3 1 1 2 HP EFFLUENT PUMP MW 1 2 2 HP SEWAGE PUMP 2 SWING CHECK VALVE PVC PUMP ON LEVEL PUMP OFF LEVEL 10 48 Diameter Duplex ME MW 1 3 2 HP CONTROL MOUN
21. ower ball bearings and all are oil cooled and lubricated Installation A wanNING Breathing hazard Basin or tank must be vented in accordance with local plumbing codes These pumps are not designed for and CANNOT be installed in locations classified as hazardous in accordance with the National Electric Code ANSI NFPA 70 e Never enter pump chamber after sewage or effluent has been in basin Sewage water can give off methane hydrogen sulfide and other gases which are highly poisonous Myers recommends installing ME series effluent pumps with a quick removal system The quick removal system may be a union or quick release coupling if the pipe or discharge hose is within reach from the surface or a rail system type quick disconnect on deeper installations See installation drawings for suggested installation The dosing tank or pumping chamber must be constructed of corrosion resistant materials and must be capable of withstanding all anticipated internal and external loads It also must not allow infiltration or exfiltration The tank must have provisions for anti buoyancy Access holes or covers must be of adequate size and be accessible from the surface to allow for installation and maintenance of the system Access covers must be lockable or heavy enough to prevent easy access by unauthorized personnel The pumping chamber holding capacity should be selected to allow for emergency conditions The discharge pipe must be th
22. thoroughly and replace seals Use seal retainer plate on upper seal only do not use on lower seal Clean seal faces and use light on face before installing bellows part of seal 10 Check HUVA cup seal in volute case inlet If worn replace 11 Be sure tetraseal gasket is in position replace if worn and reassemble 12 Replace oil in motor housing and seal chamber Use only Myers submersible oil 13 Be sure pump turns freely before connecting to power After connecting check for proper rotation noted under Stator Replacement 9 Wiring Diagram BLACK WHITE GREEN RED BLACK GROUND BLACK YELLOW 575V 3 PHASE 115V 208V OR 230V 1 PHASE P S C SEAL LEAK DETECTOR TYP FOR 1 amp 32 DOUBLE SEAL ONLY BLACK WHITE BLACK WHITE PL RED GREEN GREENS RED GROUND GROUND 208 230V 3 PHASE 460V 3 PHASE 3 Phase Dual Voltage Winding Leads Voltage Black White Red Together 208 amp 230 1 amp 7 268 3 amp 9 4 amp 5 amp 6 460 1 2 3 4 amp 7 5 amp 8 6 amp 9 Moisture Sensor Seal Probe Circuit TO SEAL LEAK PROBES RI TO AUDIBLE OR INCOMING 115V 1 PH Relay Socket SSAC Inc LLC44A5A Standard 8 pin plug in type If Myers panel is used see below Pumps MES50D 11 ME75D 11 Required Panel Pumps CMEP SL 11S 11SW 11D or 11DW ME50D 01 ME50D 21 ME75D 01 ME75D 21 ME100D
23. tor clamp and slide out capacitor Replace with new capacitor tighten and re connect Wiring diagram is given in these instructions 7 Check all wiring connectors to be sure they are secure 8 Be sure tetraseal gasket is in place 9 Slide motor housing back onto pump while pulling the cords out slowly Assemble the motor housing with the four bolts 10 Re assemble cord nuts Be sure washers are seated and cords are pulled up to stop against the washers Tighten nuts securely 11 Put pump upright and refill motor with refined paraffinic transformer oil Shellflex 2210 or equivalent DO NOT OVER FILL WITH OIL With pump upright fill oil to bottom of oil fill tapping Replace oil fill plug 1 Shell Oil Company Texas 12 Be sure pump turns freely before connecting to power Turn pump on side and turn impeller using screwdriver in slotted shaft Plug pump into receptacle to test operation Pump must run quiet and free of vibration To Replace Power Cord And Or Seal Leak Detector Cord 1 Remove motor housing as described above Disconnect the push together terminals and remove the ground screw from the power cord if being replaced Completely unscrew cord bushing to be replaced and remove cord assembly from housing Be sure remaining terminals are secure on the wires Replace with proper cord with fittings Push cord into the motor housing far enough to make proper connections Reconnect ground wire if replacing power
24. wer to control box off connect green ground line to ground lug Connect black power wires to power lead terminals Note for a typical CE style control box these terminals are marked M1 M2 and M3 Make sure that all wires are inside control box and not in a position to be pinched or shorted when the door is closed All three phase motors can run either direction ROTATION can be changed by interchanging any two line leads at magnetic starter BE SURE CIRCUIT BREAKER IS OFF BEFORE MAKING THIS CHANGE To find if rotation is correct operate pumps and check delivery operation If flow and head is low refer to pump curves shown in this manual the rotation is wrong With duplex pumps check operation of both pumps 5 All pump impellers either single or three phase must turn counterclockwise when looking into pump inlet If uncertain of rotation TURN OFF POWER and lift pump from basin with cord connected and lay pump on side so impeller can be seen Turn on power and start pump using hand position of H O A switch Turn on and off fast so that coast of impeller can be seen NEVER PUT HAND OR FINGERS ON THE IMPELLER Interchange any two line leads at the magnetic starter to change rotation s Points To Check If Pump Does Not Run Or Does Not Run Properly 1 Pump does not run or start when water is up in tank a Check for blown fuse or tripped circuit breaker b Check for defective level switch c Where c

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