EDO #1-99-242
502-3000-LM
Table of Contents
SECTION 1 INTRODUCTION .......................................................................................... 1
1.1
System Description .................................................................................................... 1
1.2
Model Number ........................................................................................................... 2
SECTION 2 INSTALLATION .......................................................................................... 3
2.1
Unpacking .................................................................................................................. 3
2.2
Mounting the Level Control ..................................................................................... 3
2.3
Power Wiring ............................................................................................................. 8
2.4
Wiring the Relays .................................................................................................... 14
2.5
Wiring the Sensing Element (Integral).................................................................. 15
2.5.1 Spark Protector for Integral Units ............................................................... 16
2.6
Wiring the Sensing Element (Remote) ................................................................... 17
2.6.1 Spark Protector for Remote Units ................................................................ 19
SECTION 3 OPERATION ................................................................................................ 20
3.1
Setpoint Control ....................................................................................................... 20
3.2
Time Delay Control (optional)................................................................................. 21
3.3
Failsafe Selector ....................................................................................................... 21
3.4
Start-up .................................................................................................................... 22
SECTION 4 CALIBRATION ........................................................................................... 23
4.1
Calibration in Conducting Material ....................................................................... 23
4.2
Calibration in Insulating Material (Horizontal Mount) ....................................... 23
4.3
Calibration in Insulating Material (Vertical Mount) and 502-3000-918 in
Conducting Materials .............................................................................................. 25
SECTION 5 TROUBLESHOOTING ................................................................................ 27
5.1
Introduction ............................................................................................................. 27
5.2
Testing the Electronic Unit ..................................................................................... 27
5.3
Testing the Sensing Element .................................................................................. 28
5.4
Testing the Coaxial Cable ....................................................................................... 30
5.5
Testing the Relay Circuits ...................................................................................... 31
5.6
Testing the Spark Protector .................................................................................... 32
5.7
Possible Problems and Causes ................................................................................ 33
5.8
Factory Assistance ................................................................................................... 34
5.9
Equipment Return .................................................................................................. 34
5.10
Field Service ............................................................................................................ 35
5.11
Customer Training .................................................................................................. 35
SECTION 6 SPECIFICATIONS...................................................................................... 36
