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457420/A
Generalsafetyrules
Safetyisimportant.Thesafetyprecautionsmustbefollowedatalltimesduringinstallation
andmaintenancework.
WARNING
TheST90operateson115VACand/or230VACat50/60Hz.Thisvoltageislethal!
Youmustneverworkaloneonhigh-voltageequipment!
Thehullunitispoweredbya3-phasehighvoltage.
Thisequipmentmustbeservicedonlybyqualiedpersonnelfamiliarwiththe
constructionandoperationoftheST90,aswellasthepotentialhazardsinvolved.
Failuretoobservethisprecautioncouldresultinbodilyinjury.
1Youmustalwaysswitchoffallpowerbeforeinstallationormaintenanceworkon
theST90system.
Usethemaincircuitbreaker,andlabelthebreakerwithawarningsignthatinforms
othersthatmaintenanceorinstallationworkisinprogressonthesystem.
2Forsafetyreasons,twopersonsmustalwaysbepresentduringtroubleshootingwith
powerON.
3Readandunderstandtheapplicablerstaidinstructionsrelatedtoelectricshock.
4Whenevermaintenanceisinprogress,itisessentialthatarstaidkitisavailable,and
thatallpersonnelarefamiliarwiththerstaidinstructionsforelectricalshock.
5Thevariouspartsofthesystemmaybeheavy.
Makesurethattheappropriatetoolsandcertiedliftingequipmentareavailable.The
personnelmustbetrainedinrelevantinstallationandmaintenancework.
SimradST90OperatorManual