
2Intrinsically Safe Combination Signal -
100 dB (A) / LED Beacon
Series YL4IS
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Contents
1 General Information ............................................................................................3
1.1 Manufacturer .......................................................................................................3
1.2 Information regarding the operating instructions .................................................3
1.3 Further documents ..............................................................................................3
1.4 Conformity with standards and regulations .........................................................3
2 Explanation of the symbols .................................................................................3
2.1 Symbols in these operating instructions .............................................................3
2.2 Warning notes .....................................................................................................4
2.3 Symbols on the device ........................................................................................4
3 Safety notes ........................................................................................................5
3.1 Operating instructions storage ............................................................................5
3.2 Safe use ..............................................................................................................5
3.3 Modifications and alterations ..............................................................................5
4 Function and device design ................................................................................6
4.1 Function ..............................................................................................................6
5 Technical data .....................................................................................................6
6 Transport and storage .........................................................................................8
7 Mounting and installation ....................................................................................8
7.1 Dimensions / fastening dimensions ..................................................................10
7.2 Mounting / dismounting, operating position ......................................................11
7.3 Installation .........................................................................................................12
8 Commissioning .................................................................................................19
9 Maintenance and repair ....................................................................................19
9.1 Maintenance .....................................................................................................19
9.2 Repair ...............................................................................................................19
9.3 Returning the device .........................................................................................20
10 Cleaning ............................................................................................................20
11 Disposal ............................................................................................................20
12 Accessories and Spare parts ...........................................................................20