Siemens SITRANS SL Operating Instructions Manual page 66

Explosion protection
5.1 ATEX
Never switch on or operate an analyzer with lid open.
Before opening the device wait at least two minutes after de-energizing. Make sure that
externally powered signals also shall be de-energized.
For secure disconnection of all signals the device should be operated in hazardous areas
only via a switch-off unit placed outside the hazardous area.
Never repair the device on site!
Any components not mentioned in the spare parts list must be replaced or repaired by
certified field service technicians. Failure to do so will also result in loss of Ex approval.
Before switching on the analyzer make sure that the housing is closed and grounded.
The protective earth terminal of the SITRANS SL needs to be connected to the local
potential equalization system.
Death, personal injury and/or damage to property may result if this is not observed.
The use of the alignment kit (A5E01000740) for aligning the sensors is not covered by the
ATEX certificate of the SITRANS SL analyzer.
Never use the kit in the ATEX zone without permission of the plant manager (hot work
permit).
Never open the lid of an energized SITRANS SL system in the ATEX zone without
permission of the plant manager (hot work permit).
Death, personal injury and/or damage to property may result if this is not observed.
SITRANS SL ATEX meets all regulations specified in the present EU regulations (LVD
regulation 2006/95/EEC and EMC regulation 2004/108/EEC). The sensors may be used in
explosive areas as described in ATEX certificate PTB 08 ATEX 1008 X following regulation
94/9/EC.
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WARNING
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WARNING
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WARNING
Operating Instructions, 12/2010, A5E01132948-04
SITRANS SL