Simrad SX90 - INSTALLATION REV C - Sonar Room Requirements

SimradSX90
•Mainorbilgekeels
•Zincanodes
•Coolingelementsprotrudingfromthehull
•Equipmentsuchassonartransducersandpilottubes
•Seachests
•Overboarddischarges
•Dentsinthehull
Allappendagestothehull,indentationsandpipein/outletsare
potentialsourcesofunderwaternoise.Theymayactasresonant
cavitiesamplifyingnoiseatcertainfrequencies,createcavitation
orturbulence.Transducersshouldnotbelocatedinthevicinity
ofsuchobjectsandespeciallynotimmediatelyaftofthem.
Sonarroomrequirements
Itisstronglyrecommendedtouseadedicatedcompartmentto
housethehullunitandthetransceivercabinet.Thesetwounits
mustalsobeinstalledrelativelyclosetoeachotherduetothe
limitedlengthofthetransducercables.Observetheseminimum
sonarroomrequirementstoobtainsuitableworkingconditions
forsonarinstallation,useandmaintenance.
Sizeandaccess
Awelldesignedsonarroomreducestheriskofcorrosionand
simpliesmaintenanceincreasingsystemreliability.
•Thesonarroommustbedimensionedtohousealltherelevant
cabinetsthatcomprisetheSX90Fishndingsonar.
•ThephysicaldistancebetweentheTransceiverUnitandthe
hullunitislimitedduetothelengthofthetransducercables.
•Thesonarroommustnotbeunnecessarilyobstructedby
girders,pipesetc.whichmightcauseinstallationproblemsor
impedemaintenance.
•Thesonarroommustbeaccessibleunderallconditionsat
seaorataberth.
•Alldoorsorhatchesmustbedesignedsothattheequipment
canberemovedwithoutbeingdisassembled.
Heating
Thesonarroommustbeequippedwithheater,dimensionedto
maintaintheequipmentwithinitsenvironmentaltolerances(at
least1000W),installedclosetothedeck.Heatingisalsoan
effectivemethodforreducinghumidity.
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