3.14Selectingalocation
Warning:Potentialignitionsource
ThisproductisNOTapprovedforusein
hazardous/ammableatmospheres.Do
NOTinstallinahazardous/ammable
atmosphere(suchasinanengineroom
ornearfueltanks).
Generallocationrequirements
Whenselectingalocationforyourproductitis
importanttoconsideranumberoffactors.
Keyfactorswhichcanaffectproductperformance
are:
•Ventilation
Toensureadequateairow:
–Ensurethatproductismountedina
compartmentofsuitablesize.
–Ensurethatventilationholesarenotobstructed.
Allowadequateseparationofallequipment.
Anyspecicrequirementsforeachsystem
componentareprovidedlaterinthischapter.
•Mountingsurface
Ensureproductisadequatelysupportedona
securesurface.Donotmountunitsorcutholes
inplaceswhichmaydamagethestructureofthe
vessel.
•Cabling
Ensuretheproductismountedinalocationwhich
allowsproperrouting,supportandconnectionof
cables:
–Minimumbendradiusof100mm(3.94in)
unlessotherwisestated.
–Usecableclipstopreventstressonconnectors.
–Ifyourinstallationrequiresmultipleferritesto
beaddedtoacablethenadditionalcableclips
shouldbeusedtoensuretheextraweightof
thecableissupported.
•Wateringress
Theproductissuitableformountingbothabove
andbelowdecks.Althoughtheunitiswaterproof,
itisgoodpracticetolocateitinaprotectedarea
awayfromprolongedanddirectexposuretorain
andsaltspray.
•Electricalinterference
Selectalocationthatisfarenoughawayfrom
devicesthatmaycauseinterference,suchas
motors,generatorsandradiotransmitters/
receivers.
•Powersupply
Selectalocationthatisascloseaspossibletothe
vessel’sDCpowersource.Thiswillhelptokeep
cablerunstoaminimum.
Compasssafedistance
Topreventpotentialinterferencewiththevessel's
magneticcompasses,ensureanadequatedistance
ismaintainedfromthedisplay.
Whenchoosingasuitablelocationforthe
multifunctiondisplayyoushouldaimtomaintainthe
maximumpossibledistancebetweenthedisplayand
anycompasses.Typicallythisdistanceshouldbeat
least1m(3ft)inalldirections.Howeverforsome
smallervesselsitmaynotbepossibletolocate
thedisplaythisfarawayfromacompass.Inthis
situation,thefollowingguresprovidetheminimum
safedistancethatshouldbemaintainedbetweenthe
displayandanycompasses.
Item
Compass
positionin
relationto
display
Minimumsafe
distancefrom
display
1Top
200mm(7.87in.)
2Rear
500mm(19.7in.)
3Right-handside
350mm(13.8in.)
4Underside
300mm(11.8in.)
5
Front
700mm(27.5in.)
6
Left-handside250mm(9.84in.)
GPSlocationrequirements
Inadditiontogeneralguidelinesconcerningthe
locationofmarineelectronics,thereareanumber
ofenvironmentalfactorstoconsiderwheninstalling
equipmentwithaninternalGPSantenna.
Mountinglocation
•AboveDecksmounting:
ProvidesoptimalGPSperformance.(For
equipmentwithappropriatewaterproofrating.)
•BelowDecksmounting:
GPSperformancemaybelesseffectiveandmay
requireanexternalGPSantennamountedabove
decks.
46aSeries/cSeries/eSeries