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Magnetrol G3F-300 - User Manual

Magnetrol G3F-300
36 pages
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Questions and Answers

  • H
    heathercervantesJul 25, 2025
    What to do if the pump will not start or stop on a Magnetrol Switch?
    • M
      Michael MooneyJul 25, 2025
      If the pump associated with your Magnetrol Switch isn't starting or stopping, examine these external factors: ensure that fuses are intact, reset any tripped reset buttons, verify the power switch is on, check for any issues with the controlled equipment, and inspect the wiring leading to the control for defects.
  • R
    Ronald WalkerAug 10, 2025
    What to do if float isn't buoyant in liquid in Magnetrol Switch?
    • A
      Ashlee RiceAug 10, 2025
      If the float in your Magnetrol Switch isn't buoyant in the liquid, verify that the float is indeed buoyant. If the float is filled with liquid or has collapsed, replace it immediately.

Summary

Introduction to Series 3 Liquid Level Switches

Principle of Operation

Explains the magnetic field principle of operation for float-operated switches.

Operating Cycle

Describes the operational sequence during liquid level changes.

Installation Procedures

Critical Alarm Function

Recommendations for critical alarm system setup.

Piping Guidelines

Guidelines for proper piping arrangement and support.

Mounting Instructions

Instructions for correct vertical mounting of the switch.

Wiring Procedures

Steps and precautions for connecting electrical wiring.

Switch Differential Adjustment

Low Level Controls Adjustment

Adjusting differential for low level switch trip points.

High Level Controls Adjustment

Adjusting differential for high level switch trip points.

Preventive Maintenance and Troubleshooting

6-Month Maintenance Checks

Periodic inspections and tests every six months.

12-Month Maintenance Checks

Periodic inspections and tests every twelve months.

Troubleshooting Common Issues

Diagnosing and resolving operational problems.

What To Avoid

Actions and practices to avoid for proper operation.

Reference Information

Agency Approvals

Lists safety and regulatory certifications for the switches.

Sealed Cage Model Specifications

Dimensional data and specifications for sealed cage models.

Flanged Cage Model Specifications

Dimensional data and specifications for flanged cage models.

Actuating Levels and Ratings

Details actuating levels, steam ratings, and specific gravities.

Magnetrol G3F-300 Specifications

General IconGeneral
ModelG3F-300
Electrical RatingUp to 15A @ 125/250 VAC
Enclosure RatingNEMA 4X, IP66
Output TypeSPDT
Power SupplyNot applicable (purely mechanical)
Material316 Stainless Steel
Specific Gravity0.4 minimum

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