Fisher 2100 User Manual

www.Fisher.com
Fisher
™
2100 Pneumatic and 2100E Electric
Liquid Level Switches
Contents
Introduction 1.................................
Scope of Manual 1.............................
Description 2.................................
Specifications 2...............................
Educational Services 4.........................
Installation 4..................................
Hazardous Area Classification Information
and Safe Use Instructions 4...................
Installation Procedures 6.......................
Common Procedures for Either Switch 6.......
Additional Procedures for 2100 Switch 6......
Additional Procedures for 2100E Switch 7.....
Calibration Check 8............................
Principle of Operation 9.........................
Maintenance 10................................
Operational Test 10............................
2100 Switch Maintenance Procedure 12..........
2100E Switch Maintenance Procedure 13.........
Parts Ordering 14...............................
Parts Kits 14...................................
Parts List 15...................................
APPROXIMATE
SWITCHING POINT
Figure 1. Fisher 2100 Pneumatic Liquid Level Switch
Introduction
Scope of Manual
This instruction manual includes installation, maintenance, and parts information for the 2100 pneumatic and 2100E
electric liquid level switches. Refer to separate instruction manuals when you require information regarding related
valves, actuators, positioners, and accessories.
Do not install, operate or maintain a 2100 pneumatic or a 2100E electric liquid level switch without being fully trained
and qualified in valve, actuator and accessory installation, operation and maintenance. To avoid personal injury or
property damage it is important to carefully read, understand, and follow all of the contents of this manual, including
all safety cautions and warnings. If you have any questions about these instructions, contact your Emerson sales office
or Local Business Partner before proceeding.
Instruction Manual
D200119X012
2100 and 2100E Liquid Level Switches
June 2017

Fisher 2100 Specifications

General

Brand	Fisher
Model	2100
Category	Switch
Language	English

Summary

Introduction

Scope of Manual

Details installation, maintenance, and parts information for liquid level switches.

Description

Specifications

Hazardous Area Classification

Hazardous Area Classification for 2100 Switch

Details ATEX compliance for the 2100 pneumatic switch.

Hazardous Area Classification for 2100E Switch

Lists CSA, FM, ATEX, IECEx, UL, CUTR approvals for the 2100E switch.

Educational Services

Installation

Hazardous Area Approvals and Special Instructions

Details safe use and installation guidelines for hazardous locations.

2100E Electrical Switch Component

Information on inspecting the electrical switch component for the 2100E.

2100E Electric Switch Assembly

Details Customs Union certification and ambient temperature for the 2100E switch.

Conditions of Application

Specifies conditions for applying the 2100E switch in hazardous areas.

Installation Procedures

Common Procedures for Either Switch

Details common installation steps for both 2100 and 2100E switches.

Additional Procedures for 2100 Switch

Specific installation steps for the 2100 pneumatic switch.

Additional Procedures for 2100E Switch

Specific installation steps for the 2100E electric switch.

Calibration Check

Principle of Operation

Maintenance

Operational Test

Details periodic operational tests to ensure switch functionality.

2100 Switch Maintenance Procedure

2100E Switch Maintenance Procedure

Parts Ordering

Parts Kits

Lists available repair kits and their part numbers.

Parts List