Table of contents1 Introduction ........................................................................................................................................... 91.1 Purpose of this document .................................................................................................... 91.2 History................................................................................................................................. 91.3 Purpose ............................................................................................................................. 101.4 Field of application ............................................................................................................ 101.5 Proper use ......................................................................................................................... 111.6 Qualified personnel............................................................................................................ 111.7 Checking delivery .............................................................................................................. 121.8 Transportation and storage ................................................................................................ 121.9 Warranty conditions........................................................................................................... 132 Safety instructions ............................................................................................................................... 152.1 Requirements for safe use .................................................................................................. 152.1.1 Laws and directives ............................................................................................................ 152.1.2 Conformity with European directives .................................................................................. 162.2 Basic safety instructions ..................................................................................................... 162.2.1 Disclaimer.......................................................................................................................... 163 General information ............................................................................................................................ 193.1 KC Safety note - Information for Korea only......................................................................... 193.2 Requirements for special applications................................................................................. 193.3 Automatic reset ................................................................................................................. 193.4 Measuring high oxygen concentrations .............................................................................. 204 Description........................................................................................................................................... 214.1 Overview ........................................................................................................................... 214.2 Structure of the wall enclosure........................................................................................... 224.3 Device/module identification .............................................................................................. 234.3.1 Nameplate layout............................................................................................................... 234.3.2 Design of module nameplate ............................................................................................. 244.3.3 Date of manufacture .......................................................................................................... 244.4 OXYMAT 7 ......................................................................................................................... 264.4.1 Module structure, standard version .................................................................................... 264.4.2 Module structure, high-temperature version....................................................................... 274.4.3 Principle of operation of OXYMAT 7.................................................................................... 294.4.4 Reference gas monitoring .................................................................................................. 314.5 ULTRAMAT 7 ...................................................................................................................... 324.5.1 Module structure, standard version .................................................................................... 32Wall-mounted deviceOperating Instructions, 07/2023, A5E31930403-AB 3