SimradSU90
AppendixA
Generalsafetyrules
WARNING
TheSimradSU90operateson230Vac50/60Hz.Thisvoltageis
lethal!
Thefollowingsafetyprecautionsmustbefollowedatalltimesduringinstallation
andmaintenancework
•Alwaysswitchoffallpowerbeforeinstallationormaintenance.
Usethemaincircuitbreaker,andlabelthebreakerwithawarningsignthatinforms
othersthatmaintenanceorinstallationworkisbeingcarriedoutonthesystem.
•Donotopentherackorcabinetdoorswhileinroughseas.Itmayswingopen
suddenlyandcausedamageorinjury.
•ForsafetyreasonsduringtroubleshootingontheequipmentwithpowerON,two
personsmustalwaysbepresent.
•Readandunderstandtheapplicablerstaidinstructionsforelectricshock.
•Whenevermaintenanceiscarriedout,itisessentialthatarstaidkitisavailable,
andthatthemaintenancepersonnelarefamiliarwiththerstaidinstructionsfor
electricalshock.
•Thevariouspartsofthesystemmaybeheavy.Makesurethattheappropriatetools
andcertiedliftingequipmentareavailable,andthatthepersonnelaretrainedin
installationandmaintenancework.
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