Stahl YL5IS Series, Руководство по эксплуатации, Страница: 5 / 19

252163 / YL560300010
2016-04-20·BA00·III·en·00
Function and device design
5
Intrinsically Safe Combination Signal -
105 dB (A) / LED Beacon
Series YL5IS
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3.2 Safe use
• Read and observe the safety notes in these operating instructions!
• Observe characteristic values and rated operating conditions on the rating and data
plates!
• Observe additional information plates on the device!
• Use the device in accordance with its intended and approved purpose only!
• We cannot be held liable for damage caused by incorrect or unauthorized use or by
non-compliance with these operating instructions.
• Before installation and commissioning, make sure that the device is not damaged!
• Work on the device (installation, maintenance, overhaul, repair) may only be carried
out by appropriately authorized and trained personnel.
• During installation and operation, observe the information (characteristic values and
rated operating conditions) on the rating, data and information plates located on the
device.
• Only connect the power supply if certified safety barriers are in place (refer also to the
"Technical data" chapter).
• The safety characteristic values of the connected field devices must match the
specifications of the corresponding device.
• When interconnecting intrinsically safe circuits, the safety-related maximum values of
field devices and corresponding equipment as well as cable parameters must be
observed. This "verification of intrinsic safety" must be performed and documented
according to IEC/EN 60079-14 or IEC/EN 60079-25.
3.3 Modifications and alterations
4 Function and device design
DANGER
Explosion hazard due to modifications and alterations to the device!
Non-compliance results in severe or fatal injuries.
• Do not modify or alter the device.
No liability or warranty for damage resulting from modifications and
alterations.
DANGER
Explosion hazard due to improper use!
Non-compliance results in severe or fatal injuries.
• Use the device only in accordance with the operating conditions
described in these operating instructions.
• Use the device only for the intended purpose specified in these
operating instructions.