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PAGE 2 — ST-4125D/ST-6125D SUBMERSIBLE PUMPS — OPERATION AND PARTS MANUAL — REV. #1 (06/12/08)
ST-4125D/ST-6125D — TABLE OF CONTENTS
Submersible Pump
Component Drawings
ST-4125D Submersible Pump Assembly ........... 28-29
ST-6125D Submersible Pump Assembly ........... 30-33
Terms and Condition of Sale ...................................34
Multiquip ST-4125D/
ST-6125D Submersible
Pumps
Table Of Contents ..................................................... 2
Parts Ordering Procedures ....................................... 3
Safety Message Alert Symbols ................................. 5
Rules For Safe Operation ...................................... 6-7
Dimensions ............................................................... 8
Specifications (Pump) ............................................... 9
General Information ................................................10
Submersible Pump Components ............................11
Float Switches .........................................................12
Control Boxes..........................................................13
Control Box Installation ...........................................14
230/460 VAC Voltage Selection ...............................15
Control Box Wiring Diagram ....................................16
Three-Phase Power Installation ........................ 17-18
Set-up .....................................................................19
Operation .......................................................... 20-21
Maintenance ...........................................................22
Troubleshooting ......................................................23
Performance Curves ...............................................24
Explanation Of Codes In Remarks Column ............26
Suggested Spare Parts ...........................................27
Specification and part numbers
are subject to change without
notice.
NOTE