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...................................3 4
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