Level-Trac
Model LT-310 Control Unit
INSTALLATION, OPERATION AND INSTRUCTION MANUAL
Note: This document should be reviewed in its entirety prior to installation of equipment.
1.0
Operating
Principle
2
2.0
System
Configuration
2
2.1
Channel
Assignment
3
2.2
Alarm/Trip and Fault Detection Relays
3
2.2.1
Alarm
Relays
3
2.2.2
Trip Relays
3
2.3
Sensitivity
3
2.4
Test Switches
4
2.5
System
Fault
4
2.5
Process
Fault
4
3.0
Installation
&
Cabling
4
3.1
Enclosure
3.2
Main
Power
Supply
4
3.3
Wiring
Control
Unit
to
Probes
5
3.4
Wiring Alarm/Trip Relays
6
3.5
Panel
Mount
Remote
Indicator
7
4.0
Commissioning
7
5.0
System
Specification
8
6.0
Field
Programming
9
6.1. Discriminator PCB
9
6.2.
Power
Supply/Relay
PCB
10
Figures
1.1
System
Overview
2
3.3.1
Wiring
Control
Unit
to
Probes
5
3.3.1
Wiring
Alarm/Trip
Relays 6
Appendices
Appendix A: Instructions for Mounting Stahlin Enclosures
11
Appendix B: 16 Conductor High Temp Cable Specification
12
330-35
8/5/11
13960 South Wayside Drive • Houston, TX 77048 • USA
Telephone: +1 (281) 240-0440 • Facsimile: +1 (281) 240-2440 • Email: [email protected]
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Quest-Tec Solutions
The New Standard of Level
