Fisher 2502 Series Level-Trol Manuals

Fisher 2502 Series Level-Trol Manuals

Manuals and User Guides for Fisher 2502 Series Level-Trol. We have 1 Fisher 2502 Series Level-Trol manual available for free PDF download: Instruction Manual

Fisher 2502 Series Level-Trol Instruction Manual

Fisher 2502 Series Level-Trol Instruction Manual (24 pages)

Brand: Fisher | Category: Controller | Size: 0 MB

Table of Contents

Table of Contents
1
Introduction

2
- Scope of Manual
  2
- Description
  2
- Specifications
  2
- Controller Action
  2
Installation%

2
- 249 Series Sensors
  2
- Form
  2
  - Uncrating
    4
  - Controller Orientation
    4
  - Mounting Caged Sensors
    4
  - Mounting Cageless Sensors
    5
    
    Side-Mounted Sensor
    7
    
    Top-Mounted Sensor
    7
  - Special Constructions
    7
    
    Temperature-Compensated Displacer
    7
    
    Piezometer Ring
    8
  - Regulator Supply Pressure
    8
Prestartup Checks

9
- Adjustments
  10
  - Level Set Adjustment
    10
  - Proportional Band Adjustment
    10
  - Reset Adjustment
    11
  - Differential Relief Adjustment
    11
Calibration

11
- Precalibration Requirements
  11
- Calibration Procedure
  13
Startup

13
Principle of Operation

14
- Type 2502 Controller
  14
- Type 2502F Controller with Reset Relief Valve
  15
Maintenance

16
- Troubleshooting
  16
- Removing Controller from Sensor
  17
- Changing Mounting Method
  17
- Installing Controller on Sensor
  17
- Changing Proportional, Reset, or Differential Relief Valve
  20
- Testing Relay Dead Band
  20
- Changing Relay
  20
- Replacing Bellows
  20
- Reversing Action
  20
- Disassembling Relay
  21
Parts Ordering

21
Parts Kits

21
Parts List

21

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