BJM Pumps LWA Series Installation, Operation & Maintenance Manual Download Page 1

Version 3-8-2016 

 
 

 

 

INSTALLATION, OPERATION & MAINTENANCE MANUAL 

 

LWA SERIES/LWAE SERIES 

TOP DISCHARGE  

Electric Submersible Pumps 

 

Single Phase 

230V 

Three Phase 

230V, 460V & 575V 

 
 
 

CAST IRON w/ STAINLESS SHELL 

 

SINGLE PHASE 

THREE PHASE 

LWA1500 
LWA2200 

 

LWA15 
LWA22 
LWA37 
LWA55 

LWA55H 

LWA75 

LWA75H 

LWAE15 
LWAE22 
LWAE37 

 

 
 
 
 
Read this manual carefully before installing, operating or servicing these pump models. 
Observe all safety information. Failure to comply with instructions may result in personal 
injury and/or property damage. Please retain these instructions.

Summary of Contents for LWA Series

Page 1: ...ST IRON w STAINLESS SHELL SINGLE PHASE THREE PHASE LWA1500 LWA2200 LWA15 LWA22 LWA37 LWA55 LWA55H LWA75 LWA75H LWAE15 LWAE22 LWAE37 Read this manual carefully before installing operating or servicing...

Page 2: ......

Page 3: ...D CAPACITY 13 SERVICING YOUR SUBMERSIBLE PUMP 14 MAINTAINING YOUR PUMP 14 CHANGING SEAL OIL 15 DISASSEMBLY ASSEMBLY PROCEDURE FOR LWA TO REVIEW REPLACE THE MECHANICAL SEAL 15 EXPLODED VIEW LWA1500 220...

Page 4: ...formance curves is also available on our web site www bjmpumps com For assistance with your electric power source please contact a certified electrician Please pay attention to the following alert not...

Page 5: ...erheated Do not operate the pump with a worn or damaged electric power cable Death or serious injury could occur Never attempt to alter the length or repair any power cable with a splice The pump moto...

Page 6: ...umps Recommended Storage Procedures Storage Environment The storage environment must be between 40 F 120 F DO NOT allow the pump to freeze The pump must be stored in a dry location Avoid storing the p...

Page 7: ...eral Oil LWA37 21 620 ISO 32 NSF Food Grade Mineral Oil LWA55 LWA55H 28 8 850 ISO 32 NSF Food Grade Mineral Oil LWA75 LWA75H 28 8 850 ISO 32 NSF Food Grade Mineral Oil LWAE15 16 9 500 ISO 32 NSF Food...

Page 8: ...e lose prime or become air bound Do not run the pump dry Pump liquid should not exceed a maximum temperature of 104 F Never place the pump on loose or soft ground The pump may sink preventing water fr...

Page 9: ...ld be counter clockwise as shown in the picture below 2 By looking from the top of the pump Since the impeller cannot be seen the best way to check the rotation is to check the kick back motion of the...

Page 10: ...e power cable due to safety and warranty considerations Always keep the power supply connection end dry Note 230V single phase and 230V 460V 575V three phase units do not have a plug and have to be pr...

Page 11: ...G To stop the pump manual and automatic mode turn off the breaker or turn the power source off generator TYPICAL AUTOMATIC DEWATERING INSTALLATION NOTE Maximum recommended starts should not exceed 10...

Page 12: ...es UTILLISER UN D MARREAR APPROUV CONVENANT AU COURANT PLEINE CHARGE DU MOTEUR Use with approved motor control that matches motor input in full load amperes with overload element s selected or adjuste...

Page 13: ...a qualified licensed electrician To automatically operate a non automatic LWA pump a control panel is required Follow the instructions provided with the panel to wire the system For automatic three p...

Page 14: ...e ANSI NFPA 70 Connect pump to a junction box outlet box control box enclosure with a wiring compartment that meets NEC and local codes The provision for supply connection shall reduce the risk of wat...

Page 15: ...ic power supply before proceeding to do any service or maintenance Pump should be inspected at regular intervals More frequent inspections are required if the pump is used in a harsh environment Preve...

Page 16: ...y removing the four cap screws that retain this 5 Remove the agitator 39 by turning the agitator counter clockwise to the shaft If the agitator is difficult to turn a plastic mallet or hammer and bloc...

Page 17: ...cap screws 15 At this time the seal chamber should be able to be air checked With the proper gauge set up apply 10 PSIG do not add more that 10 PSIG of air pressure No pressure drop should be seen in...

Page 18: ...17 EXPLODED VIEW LWA1500 2200...

Page 19: ...18 EXPLODED VIEW LWAE1500 2200...

Page 20: ...19 EXPLODED VIEW LWA15 22...

Page 21: ...20 EXPLODED VIEW LWAE15 22...

Page 22: ...21 EXPLODED VIEW LWA37...

Page 23: ...22 EXPLODED VIEW LWAE37...

Page 24: ...23 EXPLODED VIEW LWA55...

Page 25: ...24 EXPLODED VIEW LWA55H...

Page 26: ...25 EXPLODED VIEW LWA75...

Page 27: ...26 EXPLODED VIEW LWA75H...

Page 28: ...3600 RPM CLASS F 200158 7 STATOR 3HP 230 1 60 3600 RPM CLASS F 200159 7 STATOR 3HP 230 460 3 60 3600 RPM CLASS F 200160 7 STATOR 3HP 575 3 60 3600 RPM CLASS F 200161 7 STATOR 5HP 230 460 3 60 3600 RP...

Page 29: ...148 200148 200149 200150 200150 200150 200150 26 VOLUTE HARDENED DI 200188 200188 200188 200188 200189 200190 200190 200190 200190 27 IMPELLER HI CHROME CI 200123 200124 200123 200124 200125 200128 20...

Page 30: ...S F 204278 7 STATOR 5HP 575 3 60 3600 RPM CLASS F 204279 9 ROTOR SHAFT ASSY 2HP 1 PHASE 304 SS 9 ROTOR SHAFT ASSY 2HP 3 PHASE 304 SS 204282 9 ROTOR SHAFT ASSY 3HP 1 PHASE 304 SS 9 ROTOR SHAFT ASSY 3HP...

Page 31: ...HARDENED DI 204297 204297 204297 27 IMPELLER HI CHROME CI 204298 204299 204300 28 COVER SUCTION WITH WEAR RING PRESSED 204301 204301 204301 31 STRAINER BOTTOM COVER 204302 204302 204302 37 ADAPTER DIS...

Page 32: ...31 SINGLE PHASE WIRING DIAGRAM 230V MODELS LWA1500 LWA2200...

Page 33: ...32 THREE PHASE WIRING DIAGRAM 230V DUAL VOLTAGE MODELS LWA 15 75 LWAE 15 37...

Page 34: ...33 THREE PHASE WIRING DIAGRAM 460V DUAL VOLTAGE MODELS LWA15 75H LWAE15 37...

Page 35: ...34 THREE PHASE WIRING DIAGRAM 460 575V SINGLE VOLTAGE BJM PUMPS LLC 123 Spencer Plain Road Old Saybrook CT 06475 U S A...

Page 36: ...ALL BE THE SOLE AND EXCLUSIVE REMEDY OF BJM PUMPS LLC S DISTRIBUTORS AND CUSTOMERS UNDER NO CIRCUMSTANCES SHALL BJM PUMPS LLC BE LIABLE FOR ANY COSTS LOSS EXPENSE DAMAGES SPECIAL DAMAGES INCIDENTAL DA...

Page 37: ...r Condition of Cable Jacket New Good Fair Poor Rotation Direction of Impeller Rotation Use C W for clockwise CC W for counterclockwise Method used to check rotation viewed from bottom Resistance of ca...

Page 38: ...top Yes No Control Panel MFG model no Number of pumps operated by control panel NOTE At no time should hole be made in top of control panel unless proper sealing devices are utilized Short Circuit pr...

Page 39: ...hecked for leaks Yes No Do check valves operate properly Yes No Flow Does station appear to operate at proper rate Yes No Noise level Acceptable Unacceptable Comments Describe and equipment difficulti...

Page 40: ...NOTES...

Page 41: ......

Page 42: ...LLC Copyright 2010 2018 BJM Pumps LLC All rights reserved NOTE THIS MANUAL REQUIRES CSA APPROVAL PRIOR TO ISSUING CHANGES BJM Pumps LLC 123 Spencer Plain Road PO Box 1138 Old Saybrook CT 06475 USA Ph...

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