Multiquip operation manual ST4125G/ST6125G General Information

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ST4125G/ST6125G — GENERAL INFORMATION

The Multiquip Model ST4125G and ST6125G submersible pumps are designed to pump water. These pumps work best when faced with high head applications where you need an appreciable ﬂ ow.

Each pump has dual voltage capability, easily switched between 230 and 460 volts.

These pumps have a heavy-duty cast iron body that is very durable and able to withstand rough handling. The ST4125G comes with a 4-inch NPT threads for standard hose connections while the ST6125G is equipped with 6-inch ﬂ ange ﬁ tting.

The mechanical seal of these pumps operates within an oil-ﬁ lled chamber that provides positive lubrication. This helps prevent damage in the event the pump is run dry for short periods of time.

PAGE 10 — ST4125G/ST6125G SUBMERSIBLE PUMP • OPERATION MANUAL — REV. #0 (11/18/10)

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Contents Model ST4125G/ST6125G This Manual Must Accompany the Equipment AT ALL TimesTable of Contents ST4125G/ST6125G Submersible PumpPage Safety Messages Safety InformationSymbol ﬁre extinguisher General Safetyﬁrst aid kit Electrical Safety Pump Safety Never disconnect any emergency or Control Box Safety Power Cord/Cable SafetyGrounding Safety Lifting SafetySpeciﬁcations ST4125G/ST6125G Submersible Pump SpecificationsModel ST4125G/ST6125G Submersible Pump Dimensions ST4125G/ST6125G Pump DimensionsST4125G/ST6125G General Information ST4125G/ST6125G Components Submersible Pump ComponentsDesign Features Float SwitchesMechanical Float Switch How It WorksFloat Switches Mounting The Float SwitchesControl Box Used With Heater CB12/CB14 Control BoxesControl Box Speciﬁcations Thermal FloatPhase Power Installation Input Control BOX InstallationControl Box Installation Power Cord RequirementsDual Float switch Connections Connecting SW-1WOPA Float Switches to Control BoxFloat Terminal Wire 230/460 VAC Voltage Selection 230/460 VAC Voltage Selection230/460 VAC Input Power Connections CB12/CB14 Control BOX Power ConnectionsPhase Power Installation Output To Pump 230/460 VAC Output Power ConnectionsCB12/CB14 Control BOX Wiring Layout See TablePump Placement OperationReset Button Control Box Operation Auto ModeShut-Down Maintenance LubricationLong Term Storage Impeller RemovalWater Tank Storage Electrical Insulation Testing Why perform electrical insulation testing?Troubleshooting Pump TroubleshootingCB12/CB14 Control BOX Wiring Diagram ConnectionsPage HERE’S HOW to GET Help

ST6125G, ST4125G specifications

The Multiquip ST4125G and ST6125G are versatile and robust generators that cater to a variety of demanding applications in the construction, rental, and industrial sectors. These portable generators are designed to deliver reliable power with user-friendly features that make them ideal for both professional and recreational use.

One of the standout features of the ST4125G and ST6125G models is their impressive power output. The ST4125G is capable of providing up to 4,000 watts of continuous power, while the ST6125G offers a higher capacity of 6,000 watts. This flexibility allows users to choose the model that best suits their needs, whether for powering tools on a job site or serving as backup power during an outage.

Both models are equipped with a rugged 4-stroke gasoline engine that ensures efficient performance and longevity. The engines are designed with thermal protection to prevent overheating, allowing for extended run times without interruption. Additionally, Multiquip has engineered these generators to have low noise levels while operating, making them suitable for use in residential areas and noise-sensitive environments.

The ST4125G and ST6125G come with a variety of outlets to accommodate different power needs, including 120V and 240V outlets. This versatility makes them ideal for powering everything from small hand tools to larger machinery. Furthermore, the generators feature a dual circuit breaker system for added safety, ensuring a reliable and secure power source.

Portability is another major advantage of the Multiquip ST4125G and ST6125G. Both models are designed with a steel frame and feature large wheels and a folding handle, making transport to and from job sites effortless. The compact design also allows for easy storage when not in use.

In terms of maintenance, Multiquip has incorporated user-friendly features that simplify routine checks and servicing. The generators feature easy access to critical components, allowing users to perform maintenance tasks efficiently.

With their combination of power, portability, and user-friendly features, the Multiquip ST4125G and ST6125G generators stand out in the competitive landscape of portable power solutions. Whether for construction projects, outdoor events, or emergency backup, these generators are reliable choices that meet the demands of various users.