Emerson Level-Trol 2500 Series - User Manual

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D200124X012
2500 and 2503 Series Level-Trol
R
Controllers
and Transmitters
Contents
Introduction 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Scope of Manual 2. . . . . . . . . . . . . . . . . . . . . . . . .
Description 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Specifications 2. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Educational Services 2. . . . . . . . . . . . . . . . . . . . . .
Installation 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Sensor Assembly 5. . . . . . . . . . . . . . . . . . . . . . . . .
Uncrating 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Controller/Transmitter Orientation 6. . . . . . . . . . .
Mounting Caged Sensor 7. . . . . . . . . . . . . . . . . . .
Mounting Cageless Sensor 8. . . . . . . . . . . . . . . .
Side-Mounted Sensor 8. . . . . . . . . . . . . . . . . . . .
Top-Mounted Sensor 8. . . . . . . . . . . . . . . . . . . .
Supply and Output Pressure Connection 10. . . .
Supply Pressure 10. . . . . . . . . . . . . . . . . . . . . . . .
Controller/Transmitter Output Connection 12. .
Prestartup Checks 12. . . . . . . . . . . . . . . . . . . . . . . .
Type 2500 Controller or Type 2500T
Transmitter 13. . . . . . . . . . . . . . . . . . . . . . . . . . .
Type 2500S Controller 14. . . . . . . . . . . . . . . . . . .
Type 2503 Controller 14. . . . . . . . . . . . . . . . . . . . .
Adjustments 15. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Control Action 15. . . . . . . . . . . . . . . . . . . . . . . . . .
Level Adjustment (Controllers Only) 15. . . . . . .
Zero Adjustment (Transmitters Only) 15. . . . . .
Proportional Band Adjustment
(Except Transmitters and 2503
Series Controllers) 15. . . . . . . . . . . . . . . . . . .
Specific Gravity Adjustment
(Transmitters Only) 15. . . . . . . . . . . . . . . . . . .
Calibration
15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Precalibration Requirements 15. . . . . . . . . . . . . .
Wet Calibration 16. . . . . . . . . . . . . . . . . . . . . . . . .
Dry Calibration 16. . . . . . . . . . . . . . . . . . . . . . . . .
Controller/Transmitter and Torque Tube Arm
Disassembly 16. . . . . . . . . . . . . . . . . . . . . . . .
Determining the Amount of
Suspended Weight 16. . . . . . . . . . . . . . . . . . .
Calibration Procedure 17. . . . . . . . . . . . . . . . . . . .
Type 2500 Controller and
2500T Transmitter 18. . . . . . . . . . . . . . . . . . .
Type 2500S and 2503 Controllers 19. . . . . . . .
Figure 1. 2500 or 2503 Series Level-Trol
R
Controller/
Transmitter on Caged 249 Series Sensor
2500 OR 2503 SERIES
CONTROLLER/
TRANSMITTER
249 SERIES SENSOR
W8334
Startup 20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Type 2500 Controller 20. . . . . . . . . . . . . . . . . . . . .
Type 2500T Transmitter 21. . . . . . . . . . . . . . . . . .
Type 2500S Controller 21. . . . . . . . . . . . . . . . . . .
Type 2503 Controller 21. . . . . . . . . . . . . . . . . . . . .
Principle of Operation 21. . . . . . . . . . . . . . . . . . . . .
Type 2500 Controller or Type 2500T
Transmitter 21. . . . . . . . . . . . . . . . . . . . . . . . . . .
Proportional Valve 23. . . . . . . . . . . . . . . . . . . . . . .
Type 2500S Controller 23. . . . . . . . . . . . . . . . . . .
Type 2503 Controller 23. . . . . . . . . . . . . . . . . . . . .
Maintenance 24. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Troubleshooting 24. . . . . . . . . . . . . . . . . . . . . . . . .
Removing Controller/Transmitter from
Sensor 26. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Changing Mounting Methods 26. . . . . . . . . . . . . .
Installing Controller/Transmitter on Sensor 27. .
(continued on page 2)
Instruction Manual
Form 1013
December 2005
Type 2500

Emerson Level-Trol 2500 Series Specifications