2  EL3000 CONTINUOUS GAS ANALYZERS |  OI/EL3000-EN REV. D 
 
 
Table of contents 
 
 
1  Safety ........................................................................ 4 
General information and instructions ................................. 4 
Warnings .................................................................................. 4 
Warranty provisions ............................................................... 4 
Intended use ............................................................................ 5 
Improper use ........................................................................... 5 
Safety instructions ................................................................. 6 
Fidas24 – Information for safe operation ........................... 7 
Notes on data safety .............................................................. 8 
Manufacturer’s address ......................................................... 9 
Service address ....................................................................... 9 
2  Use in potentially explosive atmospheres ........... 10 
Notes on use in potentially explosive atmospheres ........ 10 
Explosion proof design in degree of protection II 3G ..... 11 
3  Design and function ................................................ 13 
Housing designs ................................................................... 13 
Available analyzer modules ................................................. 14 
Available analyzer combinations ........................................ 14 
4  Preparation for Installation ................................... 15 
Scope of delivery .................................................................. 15 
Material required for installation ....................................... 15 
Requirements for the installation site ............................... 17 
Power supply ......................................................................... 18 
Uras26 .................................................................................... 19 
Limas23 .................................................................................. 21 
Magnos206 ............................................................................ 23 
Magnos28 .............................................................................. 25 
Magnos27............................................................................... 27 
ZO23 ....................................................................................... 28 
Caldos27................................................................................. 31 
Fidas24 ................................................................................... 33 
Sample gas input and output conditions ......................... 35 
Pressure sensor .................................................................... 36 
Housing purge ...................................................................... 37 
Dimensions ............................................................................ 38 
Special conditions for the measurement of combustion 
gases ...................................................................................... 41
 
5  Installation .............................................................. 43 
Unpacking the Gas Analyzer................................................43 
Name plate ............................................................................43 
Analyzer data sheet ..............................................................43 
Mounting the fittings on the gas analyzer ....................... 44 
Position and design of the gas connections ................... 45 
Gas Analyzer Installation .....................................................85 
Connecting the gas lines .................................................... 86 
Fidas24 – Connect gas lines ................................................ 87 
Fidas24 – Connecting the combustion gas line .............. 88 
Fidas24 – Connecting the sample gas line to the heated 
sample gas connection ....................................................... 89
 
Fidas24 – Connecting the sample gas line to the 
unheated sample gas connection ...................................... 91
 
6  Electrical connections ............................................ 93 
Safety instructions .............................................................. 93 
General Notes ....................................................................... 93 
Model EL3020 ....................................................................... 93 
Model EL3040 ....................................................................... 94 
Analog output modules ...................................................... 96 
Digital I/O module ............................................................... 97 
Modbus®-Module ................................................................. 99 
PROFIBUS®-Module ............................................................. 99 
Connecting the Signal Lines ............................................. 100 
Connecting the power supply .......................................... 100 
7  Commissioning ..................................................... 102 
Safety instructions ............................................................ 102 
Installation Check .............................................................. 102 
Purge sample gas path and analyzer housing ............... 103 
Gas analyzer start-up ........................................................ 103 
8  Operation ............................................................... 107 
Safety instructions ............................................................ 107 
LCD indicator ...................................................................... 107 
Menu Overview .................................................................... 110 
Notes on the operating concept....................................... 111 
Communication between gas analyzer and computer .. 112 
9  Calibration ............................................................. 115 
Calibration control .............................................................. 115 
Test gases ............................................................................ 116 
Set test gas concentration ................................................ 117 
Automatic calibration: Control ......................................... 118 
Automatic calibration: settings ........................................ 119 
Automatic calibration: manual start ................................ 123 
Manual calibration: calibration method........................... 123 
Manual calibration: execution ........................................... 125 
Uras26 – Instructions for calibration ...............................126 
Limas23 – Instructions for calibration ............................ 128 
Magnos206 – notes for calibration ................................. 130 
Magnos28 – notes for calibration ..................................... 131 
Magnos27 – notes for calibration ..................................... 133 
ZO23 – Checking the reference point and end point .... 134 
Caldos27 – Notes for calibration...................................... 134 
Fidas24 – Notes for calibration ........................................ 136 
Fidas24 – Substitute gas calibration ............................... 137 
Fidas24 – Response factors and other relevant variables
  138
 
Fidas24 – Conversion of concentration data ................. 139 
Oxygen sensor – Notes for calibration ........................... 140