
Table of contents
Wall-mounted device
Operating Instructions, 05/2018, A5E31930403-06 5
7.7.3 Installing "Options" terminal block ..........................................................................................72
7.8 Wiring option modules ............................................................................................................75
8 Connecting the device........................................................................................................................... 79
8.1 Gas connections .....................................................................................................................79
8.1.1 General safety instructions on gas connection.......................................................................79
8.1.2 Connection information...........................................................................................................80
8.1.3 Installing/removing the sample gas restrictor .........................................................................82
8.1.4 Gas connections at the device................................................................................................83
8.1.4.1 OXYMAT 7..............................................................................................................................83
8.1.4.2 ULTRAMAT 7..........................................................................................................................85
8.1.4.3 CALOMAT 7............................................................................................................................86
8.1.4.4 Purging gas connections ........................................................................................................87
8.1.5 Connecting gas .......................................................................................................................88
8.2 Electrical connections .............................................................................................................88
8.2.1 General safety instructions for electrical connections ............................................................88
8.2.2 Connection information...........................................................................................................90
8.2.3 Requirements for electrical connection...................................................................................91
8.2.4 Connecting the signal cables..................................................................................................92
8.2.5 Connecting the Ethernet cable ...............................................................................................93
8.2.6 Connecting the power supply .................................................................................................95
8.2.7 Electrical connections and terminal assignment.....................................................................96
8.2.8 Spark suppression: This Example ........................................................................................100
9 Commissioning ................................................................................................................................... 103
9.1 General safety instructions for commissioning .....................................................................103
9.2 General information on commissioning ................................................................................105
9.3 Gas preparation ....................................................................................................................107
9.4 OXYMAT 7 / ULTRAMAT 7: Introduction of reference gas ..................................................108
9.4.1 Selection of the reference gas ..............................................................................................108
9.4.1.1 OXYMAT 7............................................................................................................................108
9.4.1.2 ULTRAMAT 7........................................................................................................................109
9.4.2 Requirements for reference gas from the gas cylinder.........................................................110
9.4.3 Introducing reference gas .....................................................................................................110
9.4.4 Check the reference gas flow ...............................................................................................110
9.4.5 Reference gas monitoring with pressure switch ...................................................................111
9.5 Zero point error .....................................................................................................................111
9.5.1 OXYMAT 7............................................................................................................................112
9.5.2 CALOMAT 7..........................................................................................................................114
9.6 Checking gas paths for leaks................................................................................................115
9.6.1 General information on leaks................................................................................................115
9.6.2 Recommended test setup.....................................................................................................116
9.6.3 Checking OXYMAT 7 for leaks .............................................................................................117
9.6.4 Checking ULTRAMAT 7 for leaks.........................................................................................117
9.6.5 Checking CALOMAT 7 for leaks...........................................................................................118
9.7 Requirements for startup ......................................................................................................119
9.8 Commissioning the device....................................................................................................119