Emerson Fisher 2500 User Manual

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Fisher 2500 and 2503 Controllers and Transmitters
Contents
Introduction 2.................................
Scope of Manual 2.............................
Description 2.................................
Specifications 2...............................
Educational Services 2.........................
Installation
5....................................
Sensor Assembly 6............................
Uncrating 6..................................
Controller/Transmitter Orientation 7.............
Mounting Caged Sensor 8......................
Mounting Cageless Sensor 10...................
Side‐Mounted Sensor 10....................
Top‐Mounted Sensor 12....................
Supply and Output Pressure Connection 12........
Supply Pressure 12.........................
Controller/Transmitter Output Connection 13..
Vent Assembly 13.............................
Prestartup Checks 14...........................
2500 Controller or 2500T Transmitter 17..........
2500S Controller 18...........................
2503 Controller 18............................
Adjustments 19...............................
Control Action 19..........................
Level Adjustment (Controllers Only) 19........
Zero Adjustment (Transmitters Only) 20.......
Proportional Band Adjustment
(Except Transmitters and 2503
Controllers) 20..........................
Specific Gravity Adjustment
(Transmitters Only) 20...................
Calibration
20...................................
Precalibration Requirements 20.................
Wet Calibration 20.........................
Dry Calibration 21.........................
Controller/Transmitter and Torque Tube Arm
Disassembly 21.........................
Determining the Amount of
Suspended Weight 21....................
Calibration Procedure 22.......................
2500 Controller and 2500T Transmitter 23.....
2500S and 2503 Controllers 25..............
Startup
27......................................
2500 Controller 27............................
2500T Transmitter 27..........................
2500S Controller 27...........................
2503 Controller 27............................
Figure 1. Fisher 2500 or 2503 Controller/Transmitter
on 249 Caged Sensor
2500 OR 2503
CONTROLLER/
TRANSMITTER
249 SENSOR
W8334
Principle of Operation 27........................
2500 Controller or 2500T Transmitter 28..........
Proportional Valve 28..........................
2500S Controller 28...........................
2503 Controller 29............................
Maintenance 30................................
Troubleshooting 31............................
Removing Controller/Transmitter from Sensor 32..
Changing Mounting Methods 33.................
Installing Controller/Transmitter on Sensor 34.....
Replacing the Bourdon Tube 35..................
Changing Action 35............................
Relay Deadband Testing (2500 Controller
or 2500T Transmitter Only) 36................
Replacing the Proportional Valve 37..............
Changing Relay 37.............................
Parts Ordering 37...............................
Parts List 38...................................
Instruction Manual
D200124X012
2500 and 2503 Controllers/Transmitters
April 2014