8013154/U275/2010/02/01 ©SICKAG•Germany•Allrightsreserved•Subjecttochangewithoutnotice 27
Operating Instructions PBS
3.Signs,symbolsandabbreviations/4.Function
5. For your safety
5. For your safety
Select the appropriate pressure switch with regard to scale range, performance
andspecicmeasurementconditionspriortoinstallingandstartingtheinstru-
ment.
Observetherelevantnationalregulations(e.g.:EN50178)andobservethe
applicablestandardsanddirectivesforspecialapplications(e.g.withdangerous
mediasuchasacetylene,ammablegasesorliquidsandtoxicgasesorliquids
and with refrigeration plants or compressors). If you do not observe the appro-
priate regulations, serious injuries and/or damage can occur!
Open pressure connections only after the system is without pressure!
Pleasemakesurethatthepressureswitchisonlyusedwithintheoverloadthresholdlimitallthe
time!
Observetheambientandworkingconditionsoutlinedinsection7„Technicaldata”.
Observethetechnicaldatafortheuseofthepressureswitchinconnectionwithaggressive/
corrosivemediaandfortheavoidanceofmechanicalhazards.
Ensurethatthepressureswitchisonlyoperatedinaccordancewiththeprovisionsi.e.as
described in the following instructions.
Do not interfere with or change the pressure transmitter in any other way than described in
these operating instructions.
Removethepressureswitchfromserviceandmarkittopreventitfrombeingusedagainacci-
dentally, if it becomes damaged or unsafe for operation
Take precautions with regard to remaining media in removed pressure transmitter. Remaining
media in the pressure port may be hazardous or toxic!
Haverepairsperformedbythemanufactureronly.
Opencircuitbeforeremovingconnector.
Warning