54-610 Thermatel
®
Model TD1/TD2 Flow Level Switch
Table of Contents
1.0 Quick Start
2.0 Installation
2.1 Unpacking ................................................................4
2.2 Electrostatic Discharge (ESD) Handling Procedure...4
2.3 Mounting..................................................................5
2.4 Wiring ......................................................................6
2.4.1 Relay Connections .........................................7
2.4.2 Remote Electronics Wiring (TD2 only) .........8
2.4.3 mA Output Wiring (TD2 only).....................8
2.5 Setup.........................................................................9
2.5.1 Switch Settings ...............................................9
2.5.2 LED Operation ............................................10
2.5.3 LED Initialization ........................................10
2.5.4 Time Delay (TD2 only) ...............................10
2.6 Calibration..............................................................11
2.6.1 Adjustment Procedure for
LEVEL Applications.....................................11
2.6.1.1 Unable to Change Level ........................13
2.6.2 Adjustment Procedure
LOW FLOW/NO FLOW............................13
2.6.3 Adjustment Procedure for
HIGH FLOW Detection .............................14
2.6.3.1 Unable to Change Flow Rate ................14
2.6.4 Advanced Calibration Procedure (TD2).......15
3.0 Reference Information
3.1 Description .............................................................15
3.2 Theory of Operation...............................................15
3.3 Fault Detection .......................................................16
3.4 Resistance Values.....................................................16
3.5 Troubleshooting ......................................................17
3.6 Maintenance ...........................................................18
3.6.1 Cleaning.......................................................18
3.6.2 Probe Replacement.......................................18
3.6.2.1 Integral Electronics................................18
3.6.2.2 Remote Electronics (TD2) ....................19
3.7 Agency Approvals....................................................20
3.7.1 Specific Conditions of Use.............................21
3.8 Replacement Parts...................................................22
3.8.1 Model TD1 ..................................................22
3.8.2 Model TD2 ..................................................23
3.9 Specifications ..........................................................24
3.9.1 Performance .................................................24
3.9.2 Probe............................................................24
3.9.3 Physical ........................................................26
3.10 Model Numbers......................................................27
3.10.1 Model TD1 .................................................27
3.10.2 Model TD2 .................................................27
3.10.3 Standard Probe ............................................28
3.10.4 High Temperature Probe .............................29
3.10.5 Low Flow Body ...........................................30
3.10.6 Mini Sensor.................................................30
3.10.7 Connecting Cable........................................31
Thermatel
®
Model TD1/TD2
Thermal Dispersion Flow/Level Switch
