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442703/B
Generalsafetyrules
Safetyisimportant.Thesafetyprecautionsmustbefollowedatalltimesduring
installationandmaintenancework.
WARNING
TheST90operateson115VACand/or230VACat50/60Hz.Thisvoltageislethal!
Youmustneverworkaloneonhigh-voltageequipment!
Thehullunitispoweredbya3-phasehighvoltage.
Thisequipmentmustbeservicedonlybyqualiedpersonnelfamiliarwiththe
constructionandoperationoftheST90,aswellasthepotentialhazardsinvolved.
Failuretoobservethisprecautioncouldresultinbodilyinjury.
1Youmustalwaysswitchoffallpowerbeforeinstallationormaintenanceworkon
theST90system.
Usethemaincircuitbreaker,andlabelthebreakerwithawarningsignthatinforms
othersthatmaintenanceorinstallationworkisinprogressonthesystem.
2Forsafetyreasons,twopersonsmustalwaysbepresentduringtroubleshooting
withpowerON.
3Readandunderstandtheapplicablerstaidinstructionsrelatedtoelectricshock.
4Whenevermaintenanceisinprogress,itisessentialthatarstaidkitisavailable,
andthatallpersonnelarefamiliarwiththerstaidinstructionsforelectricalshock.
5Thevariouspartsofthesystemmaybeheavy.
Makesurethattheappropriatetoolsandcertiedliftingequipmentareavailable.
Thepersonnelmustbetrainedinrelevantinstallationandmaintenancework.
Relatedtopics
Installationrequirements,page47
SimradST90InstallationManual