Table Of Contents - Siemens QGO21 Series Basic Documentation

Building Technologies Division
Contents
Supplementary documentation ........................................................................................ 2
1 Safety notes ..................................................................................................... 4
1.1 Warning notes ................................................................................................. 4
1.2 Engineering notes ............................................................................................ 6
1.3 Installation and mounting notes ....................................................................... 6
1.4 Electrical connection ........................................................................................ 7
1.5 Commissioning notes ...................................................................................... 8
1.6 Standards and certificates ............................................................................. 10
1.7 Service notes ................................................................................................. 10
1.8 Disposal notes ............................................................................................... 11
2 Overview ........................................................................................................ 12
3 Assortment connections ................................................................................ 13
4 Technical data ............................................................................................... 14
5 Description of functions ................................................................................. 15
5.1 Functioning principle of the measuring cell ................................................... 15
5.2 Impact of the cell's temperature .................................................................... 17
5.3 Impact of the reference gas ........................................................................... 18
5.4 Switching on and switching off ...................................................................... 18
5.5 Aging ............................................................................................................. 18
6 Mechanical design of the sensor ................................................................... 19
7 Mounting and connecting the sensor ............................................................. 20
7.1 Mounting ........................................................................................................ 20
7.2 Connection .................................................................................................... 21
8 Connection diagram ...................................................................................... 22
9 Dimensions .................................................................................................... 23
10 Comparison table .......................................................................................... 24
11 List of figures ................................................................................................. 25
12 Index .............................................................................................................. 26
Oxygen Sensor QGO21
Contents
3/27
CC1P7845en
06.12.2017