Name: Simrad ST90
Brand: Simrad
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266

442703/B

3MakesurethateachcablehasbeeninstalledasspeciedintheCablelayoutand

interconnectionschapter.

4Toapplypower,closethecircuitbreakerforthe3-phaseACvoltage.

5Measurethe3-phaseACmainsvoltageonterminalblockE301.

6AdjustthereleasecurrentontheMotorProtectingSwitch(S301)accordingtothe

3-phasevoltageinuse.

•230V AC:10A(Maximum)

•380/440V AC:6.5A

Relatedtopics

Settingtoworksummary,page242

Startingupthehullunit,page257

Hullunitdescription,page257

Hullunitfamiliarization,page260

MotorControlUnitfamiliarization,page261

InitialsafetycheckoftheMotorControlUnit,page262

Checkingthehostingmotor’s3-phaseACconnections,page263

Connectingthe3-phaseACpowertotheMotorControlUnit,page265

Ventingthetransducershaftsleeve,page266

Checkingthe3-phaseconnectionforcorrectrotation,page268

CheckingtheoperationoftheHoistingandLoweringcontactors,page270

Checkingthetransducerloweringandhoistingfunctionality,page273

Ventingthetransducershaftsleeve

Thehullunitislubricatedasapartoftheproductionprocess,andthusprovidedfully

lubricatedwhendeliveredtothevessel.Additionallubricationofthehullunitmustonly

takeplacewhenrequired.Evenwhenthetransducershaftsleeveisfullylubricated,

smallairpocketsmayexpandiftheST90isusedinaverywarmclimate.Insomecases,

theseairpocketshavemadeitdifculttolowerandhoistthetransducer.

Prerequisites

Thefollowingspecictoolisrequiredforthistask:

•Adjustablespanner(Wrench)

SimradST90InstallationManual

Simrad ST90 Installation Manual

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