DURAG D-LX 721 User Manual

Contents
D-LX 201/721
5
9 Maintenance 89
9.1 Safety.............................................................................................................................................. 89
9.2 Customer service information ......................................................................................................... 90
9.3 Maintenance intervals..................................................................................................................... 90
9.4 Maintenance work........................................................................................................................... 91
9.5 Fault................................................................................................................................................ 91
9.5.1 Fault messages .............................................................................................................................. 91
9.5.2 Warning in the event of different switch positions........................................................................... 92
9.5.3 Harmonic detection......................................................................................................................... 92
10 Appendix: Technical data 93
10.1 Devices with plastic housing (P2) ................................................................................................... 93
10.2 Devices with aluminium housing (M5) ............................................................................................ 94
10.3 Devices for zone 1/21 (housing M4 and S2)................................................................................... 95
10.4 Sighting tube connection and purge air connection........................................................................ 96
10.5 Factory settings............................................................................................................................... 96
10.6 Integrated flame sensor .................................................................................................................. 97
11 Appendix: Plans and drawings 99
11.1 Connection diagram for D-LX 201/721 ........................................................................................... 99
11.2 Connection diagram for D-LX 201/721 MP................................................................................... 100
11.3 Dimensional drawings................................................................................................................... 101
11.3.1 D-LX 201 with housing P2 ............................................................................................................ 101
11.3.2 D-LX 201 with housing M5............................................................................................................ 102
11.3.3 D-LX 201 Ex with housing M4 and S2 for zone 1/21 .................................................................... 103
11.3.4 D-LX 721 with housing P2 ............................................................................................................ 104
11.3.5 D-LX 721 with housing M5............................................................................................................ 105
11.3.6 D-LX 721 with housing M4 and S2 for zone 1/21 ......................................................................... 106
12 Appendix: Certificates 107
13 Glossary 115
14 Index 116

DURAG D-LX 721 Specifications

General

Brand	DURAG
Model	D-LX 721
Category	Measuring Instruments
Language	English