Page 1
Page 2
Page 3
Page 4
Page 5
Page 6
Page 7
Page 8
Page 9
Page 10
Page 11
Page 12
Page 13
Page 14
Page 15
Page 16
Page 17
Page 18
Page 19
Page 20
Page 21
Page 22
Page 23
Page 24
Page 25
Page 26
Page 27
Page 28
ENGINEPROTECTIONEXHAUSTALERTWhyfitanExhaustAlertMarinedieselexhaustsystemsaredesignedtotaketemperaturesofonly120C.Theexhaustgaseshowevermayreachmorethan500C.Tocoolthegasestheexhaustdependsonthefreeowofcoolingwaterfromtheengine.Thisowcanbecutoffbyaplasticbagorseaweedbeingsuckedintotheintakeorbyaproblemwiththewaterpump.Theexhausttemperaturewillriseimmediatelytoaround450Ctheexhaustwilloverheatandmaybeseriouslydamaged.InmostsituationstheExhaustAlertwillwarnyoubeforeseriousdamageoccurs.WhatmakesExhaustAlertsodifferentAnexhausttemperaturealarmsystemmustmeasuretemperatureinsidetheexhaustsystemtobeeffective.Sensorsttedontheoutsideoftheexhaustcannotrespondquicklyastheymustwaitfortheheattoworkthroughthehosetoreachthesensor.WillitprotectmyengineTheExhaustAlertisdesignedtoprotectonlytheexhaust.Thesystemshouldnotberegardedasanengineprotectiondevicealthoughitmaybeattheenginetemperaturesensorswhentheengineiscold.HowdoesitworkTheExhaustAlertworkswitha12Vor24Vsupplyandithasthreemaincomponents.HalyardPleasureCraftTemperatureSensorAstainlesssensorwhichscrewsthrougha10mmholeintheexhausthoseplacingatemperaturesensorrightinthegasowabout100mmbehindtheengine.Uptothreesensorscanbeusedcoveringtwinenginecraftandgenerators.TheHelmDisplayThisdisplaytsnearthehelmandhadlightindicatorsforreadyandwarninglightsforeachengineandasmallbuzzer.A120dBsirencanbeconnected.Thedisplayself-testswhentheengineisturnedonashinglightsandsoundingthebuzzer.Ifthesenoroverheatstherelevantlightwillashandthebuzzerwillsound.Abuttonallowsyoutoshutdownthebuzzer.AnothersystemisavailablewithoutahelmdisplayanOEMkitwhichexpertscanwireintotheirownsystems.JunctionBoxThejunctionboxmountsintheenginespace.Thiscompactunittsonthebulkheadoftheenginespace.Wiresfromthesensorsandthehelmdisplayconnecttoit.Itconnectstothepowersupplywhichmustbelivewhentheignitionisturnedon.10