4  AO2000 CONTINUOUS GAS ANALYZERS  |  OI/AO2000-EN REV. B   
 
 
Unpacking the gas analyzer and installation .................................................................................................... 73 
Unpacking the gas analyzer ..................................................................................... 73 
Identification plate ................................................................................................... 74 
Analyzer data sheet .................................................................................................. 75 
Dimensional diagrams .............................................................................................  76 
Gas connection installation .................................................................................... 78 
Gas analyzer installation ..........................................................................................  79 
Gas line connection ............................................................................................................................................. 80 
Caldos25: Gas connections ..................................................................................... 80 
Caldos27: Gas connections ..................................................................................... 82 
Fidas24, Fidas24 NMHC: Gas and electrical connections ..................................  83 
Limas11 IR, Limas21 UV, Limas21 HW: Gas connections .................................... 84 
Magnos206: Gas connections ................................................................................ 88 
Magnos28: Gas connections ...................................................................................  89 
Magnos27: Gas connections .................................................................................... 91 
Uras26: Gas connections .........................................................................................  93 
ZO23: Gas connections ............................................................................................ 95 
Gas line connection .................................................................................................. 96 
Fidas24: Connecting the gas lines ......................................................................... 97 
Fidas24: Connecting the combustion gas line .................................................. 100 
Fidas24: Connecting the sample gas line   
(heated sample gas connection) .......................................................................... 101
 
Fidas24: Connecting the sample gas line   
(unheated sample gas connection) .....................................................................  105
 
Connecting the electrical leads ........................................................................................................................ 107 
Electronics module connection diagram ............................................................  107 
Profibus module: Electrical connections ............................................................ 108 
Modbus module: Electrical connections .............................................................  109 
Analog output module: Electrical connections .................................................. 110 
Analog input module: Electrical connections ..................................................... 111 
Digital I/O module: Electrical connections ......................................................... 112 
Standard terminal connections ............................................................................ 114 
Connecting the signal lines .................................................................................... 116 
System bus connection .......................................................................................... 118 
Power supply line connection – Safety notes ..................................................... 121 
Power supply line connection to an analyzer module ....................................... 122 
Power supply line connection ................................................................................124 
Fidas24: Power supply line connection ................................................................ 125 
Gas analyzer start-up ......................................................................................................................................... 126 
Installation check ..................................................................................................... 126 
Gas path and housing initial purge ...................................................................... 127 
Power supply activation ......................................................................................... 128 
Fidas24: Gas analyzer start-up .............................................................................. 129 
Limas21 HW: Gas analyzer start-up ...................................................................... 133 
ZO23: Gas analyzer start-up .................................................................................. 134 
Warm-up phase ........................................................................................................ 135 
Operation ..................................................................................................................136