Emerson Fisher Level-Trol 2502CR Manuals

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

Emerson Fisher Level-Trol 2502CR Instruction Manual

Emerson Fisher Level-Trol 2502CR Instruction Manual (28 pages)

Brand: Emerson | Category: Controller | Size: 0.61 MB

Table of Contents

Table of Contents
1
Introduction
1
- Scope of Manual
  1
- Description
  2
- Specifications
  2
- Educational Services
  2
Installation
2
- 249 Series Sensors
  4
- Uncrating
  5
- Controller Orientation
  5
- Controller-Sensor Action
  5
- Mounting Caged Sensors
  6
- Mounting Cageless Sensors
  7
  - Side-Mounted Sensor
    8
  - Top-Mounted Sensor
    8
- Regulator Supply Pressure
  9
Prestartup Checks
9
- Adjustments
  11
  - Level Set Adjustment
    11
  - Proportional Band Adjustment
    11
  - Reset Adjustment
    11
  - Differential Relief Adjustment
    12
Calibration
12
- Precalibration Requirements
  12
- Calibration Procedure
  14
Startup
15
Principle of Operation
15
- Type 2502 Controller
  15
  - Relief Valve
    17
Maintenance
18
- Troubleshooting
  18
- Removing Controller from Sensor
  18
- Changing Mounting Method
  20
- Installing Controller on Sensor
  20
- Changing Proportional, Reset, or
  21
  - Differential Relief Valve
    21
- Testing Relay Dead Band
  21
- Changing Relay
  21
- Replacing Bellows
  22
- Reversing Action
  22
Parts Ordering
23
Parts Kits
23
Parts List
23

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