Instruction Manual - Magnetrol International

Table of Contents
Displacer Type
Liquid Level and Proof-er ® Switches
1.0 Introduction
1.1 Principle of Operation...........................................4
1.1.1 Displacer Controls......................................4
1.2 Operating Cycle ....................................................4
1.3 Operating Cycle — Proof-er Control Option........4
2.0 Installation
2.1 Unpacking.............................................................5
2.2 Mounting ..............................................................5
2.3 Wiring...................................................................6
3.0 Preventive Maintenance
3.1 What to do............................................................8
3.1.1 Keep control clean ......................................8
3.1.2 Inspect switch mechanisms, terminals, and
connections monthly ..................................8
3.2 What to avoid .......................................................9
4.0 Reference Information
4.1 Troubleshooting...................................................10
4.1.1 Check switch mechanism..........................10
4.1.2 Test control’s performance ........................11
4.1.3 Proof-er ....................................................12
4.2 Agency Approvals ................................................12
4.3 Specifications.......................................................13
45-610 Displacer Type Liquid Level Switches and Proof-er ® Switches
4.3.1 Basic Electrical Ratings ............................13
4.3.2 Pressure/Temperature Ratings ..................13
4.3.3 Model A10 Dimensional Data and
Actuating Levels.......................................14
4.3.4 Model A15 Dimensional and
Actuating Levels.......................................15
4.3.5 Model B10 Dimensional Data.................16
4.3.6 Model B10 Actuating Levels....................17
4.3.7 Model B15 Dimensional Data.................24
4.3.8 Model B15 Actuating Levels....................25
4.3.9 Model C10 Dimensional Data ................26
4.3.10 Model C10 Actuating Levels ...................27
4.3.11 Model C15 Dimensional Data ................30
4.3.12 Model C15 Actuating Levels ...................31
4.3.13 Proof-er Dimensional Data......................31
4.3.14 Proof-er Replacement Parts......................32
4.4 Replacement Parts ...............................................33
4.4.1 Displacer Replacement Parts.....................33
4.5 Model Numbers ..................................................34
4.5.1 A10 & A15 Single Switch Models ............34
4.5.2 B10 & B15 Dual Switch Models..............36
4.5.3 C10 & C15 Triple Switch Models ............38