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MWH50 - MW200 Series
ME33 - ME150 Series
Submersible Sump
Effluent & Sewage Pumps
Single and double seal. Single and three phase power.
SINGLE SEAL PUMP
ME33S, ME50S, ME75S
ME100S, ME150S,
MWH50, MW100,
MW150, MW200
Installation and Service Manual
© 2011 Pentair Pump Group, Inc.
DOUBLE SEAL PUMP
ME33D, ME50D, ME75D
ME100D, ME150D,
MWH50D, MW100D,
MW150D, MW200D
23833A278 05/11
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Table of Contents
Related Manuals for Pentair Pool Products Myers MWH50 Series
Summary of Contents for Pentair Pool Products Myers MWH50 Series
- Page 1 MWH50 - MW200 Series ME33 - ME150 Series Submersible Sump Effluent & Sewage Pumps Single and double seal. Single and three phase power. SINGLE SEAL PUMP DOUBLE SEAL PUMP ME33S, ME50S, ME75S ME33D, ME50D, ME75D ME100S, ME150S, ME100D, ME150D, MWH50, MW100, MWH50D, MW100D, MW150, MW200 MW150D, MW200D...
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Page 2: Oil Level
TYPICAL SECTION DRAWING FOR ME/MW33-200 SINGLE SEAL PUMPS OIL LEVEL 2” NPT 23833A278... - Page 3 SINGLE SEAL REPAIR PARTS LIST 3MW SERIES 3450 & 1750 RPM Ref. Part Ref. Part Description Req’d Numbers Description Req’d Numbers Nut, cord plug, solid 25341A002 16 & 17 Stator, Rotor shaft with shell See Chart Washer, 1/32” Thk. 05030A234 Bearing, ball, lower 08565A022 Gasket, Rubber...
- Page 4 TYPICAL SECTION DRAWING FOR ME/MW33-200 DOUBLE SEAL PUMPS 2” NPT 23833A278...
- Page 5 DOUBLE SEAL REPAIR PARTS LIST ME & MWH SERIES Ref. Part Ref. Part Description Req’d Numbers Description Req’d Numbers Cord, Sensor 25339B000 Bearing, ball, lower 08565A022 Cord, Power See Chart Seal, shaft 25370A000 Screw, drive 05160A004 Ring, retaining 12558A021 Name Plate, blank, 1 Ph 25488A000 Ring, retaining 12558A033...
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Page 6: General Description And Application
GENERAL DESCRIPTION AND Simplex single phase pumps can be made automatic APPLICATION by attaching MFLC or MLC controls to the pump. These switches have a fixed draw off level of 8 to 10 inches Myers ME and MW series pumps are available in both and can be used up to 1 HP. -
Page 7: Safety Warnings
SAFETY WARNINGS The dosing tank or pumping chamber must be constructed of corrosion resistant materials and must WARNING: Risk of electric shock. Pumps with a be capable of withstanding all anticipated internal single seal are supplied with a grounding conductor and and external loads. - Page 8 (2) Pump runs but does not deliver flow. To find if rotation is correct operate pumps and check (a) Check air lock. Start and stop pump several times; delivery operation. If flow and head is low (refer to if this does not help it may be necessary to loosen pump curves shown in this manual) the rotation is a union in the discharge line to relieve air lock.
- Page 9 30” DIAMETER SIMPLEX ME/MW 1/3 – 2 HP 45º RAIL SUPPORT CONTROL MOUNTING BRACKET, SST JUNCTION BOX 30” DIA. BASIN COVER STRUCT. PLASTIC VALVE EXTENSION HANDLE As Req’d. 1-1/2” CONDUIT REQ’D. LIFT-OUT ROPE AS REQ’D. 2” DISCHARGE 30” DIA. CONCRETE WELL 2”...
- Page 10 30” DIAMETER SIMPLEX UNION SYSTEM ME/MW 1/3 - 2 HP 45º CONTROL MOUNTING BRACKET, SST JUNCTION BOX 30” DIA. BASIN COVER STRUCT. PLASTIC 2” UNION, PVC 1-1/2” CONDUIT 2” GATE VALVE, REQ’D. BRASS AS REQ’D. LIFT-OUT ROPE AS REQ’D. 30” DIA. CONCRETE WELL 2”...
- Page 11 48” DIAMETER DUPLEX ME/MW 1/3 – 2 HP CONTROL MOUNTING BRACKET, SST RAIL SUPPORT 45º 48” BASIN COVER W/HINGED HATCH JUNCTION BOX & LOCK HASP EPOXY COATED 1/4” STEEL STRUCT. PLASTIC VALVE EXTENSION HANDLE AS REQ’D. 2” CONDUIT REQ’D. LIFT-OUT ROPE 48”...
- Page 12 TO REPLACE CAPACITORS ONLY TO REPLACE CAPACITORS ONLY and remove cord assembly from housing. Be sure and remove cord assembly from housing. Be sure TO REPLACE CAPACITORS ONLY and remove cord assembly from housing. Be sure remaining terminals are secure on the wires. remaining terminals are secure on the wires.
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Page 13: Shaft Seal Replacement
SHAFT SEAL REPLACEMENT SHAFT SEAL REPLACEMENT SHAFT SEAL REPLACEMENT (9) If no water has entered motor housing (check (9) If no water has entered motor housing (check (9) If no water has entered motor housing (check (1) Remove plugs in motor housing and in seal (1) Remove plugs in motor housing and in seal (1) Remove plugs in motor housing and in seal winding with ohmmeter or megger) wipe seal... - Page 14 INCOMING 115V, 1 PH ME SERIES DIMENSIONS Inches (milimeters) Model Series ME33S & ME50S 16.8 4.09 1.03 12.13 (427) (104) (26) (308) ME33D & ME50D 18.6 4.09 1.03 12.13 (472) (104) (26) (308 ) TO SEAL LEAK ME75S, ME100S, ME150S 16.8 1.06 12.5...
- Page 15 MW SERIES DIMENSIONS MW PERFORMANCE CURVE CAPACITY LITERS PER MINUTE CAPACITY GALLONS PER MINUTE 23833A278...
- Page 16 MOTOR DATA CHART WINDING RESISTANCE IN OHMS START - 1Ø BRN. TO BRN. MAIN OR PURPLE LOCKED STACK BLACK TO BLACK WHITE TO MAX. ROTOR H.P. SPEED VOLTS PHASE HEIGHT WHITE TO RED - 3Ø AMPS AMPS ME SERIES 3450 1-1/4 20.5 13.5...
- Page 17 NOTES...
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Page 20: Start-Up Report
START-UP REPORT Distributor:__________________________________________________ Order No.: _________________________ Installing Contractor: _________________________________________ Phone: ____________________________ Sales Contact: ______________________________________________ Phone: ____________________________ Customer: ______________________________________________________________________________________ Location: _______________________________________________________________________________________ 1. SYSTEM INFORMATION Size of Wet Well:_______________________________________Manufacturer: _____________________________ Discharge from Bottom of Basin: ________________________Discharge Location:________________________ Inlet from Bottom of Basin: _____________________________Inlet Location: _____________________________ Type of Check Valves: __________________________________Type of Piping: ____________________________ Does System Have Suction Gauges? Suction Pressure Reading: __________________...