www.multispanindia.com
Page-9
MS-1248U
Allsafetyrelatedcodifications,symbolsandinstructionsthatappearinthisoperatingmanual
orontheequipmentmustbestrictlyfollowedtoensurethesafetyoftheoperatingpersonnelas
wellastheinstrument.
Ifalltheequipmentisnothandledinamannerspecifiedbythemanufacturer,itmightimpairthe
protectionprovidedbytheequipment.
=>Readcompleteinstructionspriortoinstallationandoperationoftheunit.
WARNING:Riskofelectricshock.
SafetyPrecautions
3)Cableusedforconnectiontopowersource,musthaveacrosssectionof(1mm)orgreater.Thesewires
shouldhaveinsulationscapacitymadeofatleast1.5kV.
2)Toreduceelectromagneticinterference,usewirewithadequateratingandtwistsofthesameof
equalsizeshallbemadewithshortestconnection.
4)Whenextendingthethermocoupleleadwires,alwaysusethermocouplecompensationwiresforwiring
fortheRTDtype,useawiringmaterialwithasmallleadresistance(5Ωmaxperline)andnoresistance
differentialsamongthreewiresshouldbepresent.
1)TopreventtheriskofelectricshockpowersupplytotheequipmentmustbekeptOFFwhiledoingthe
wiringarrangement.Donottouchtheterminalswhilepowerisbeingsupplied.
5)Abetteranti-noiseeffectcanbeexpectedbyusingstandardpowersupplycablefor
theinstrument.
WarningGuidelines
2
1)Thisequipment,beingbuilt-in-type,normallybecomesapartofmaincontrolpanelandinsuchcasethe
terminalsdonotremainaccessibletotheenduserafterinstallationandinternalwiring.
2)Donotallowpiecesofmetal,wireclippings,orfinemetallicfillingsfrominstallationtoentertheproduct
orelseitmayleadtoasafetyhazardthatmayinturnendangerlifeorcauseelectricalshocktotheoperator.
3)Circuitbreakerormainsswitchmustbeinstalledbetweenpowersourceandsupplyterminalto
facilitatepowerʻONʼorʻOFFʼfunction.Howeverthismainsswitchorcircuitbreakermustbe
installedatconvenientplacenormallyaccessibletotheoperator.
4)Useandstoretheinstrumentwithinthespecifiedambienttemperatureandhumidityrangesas
mentionedinthismanual.
InstallationGuidelines
MechanicalInstallation
1)Preparethepanelcutoutwithproperdimensionsasshowabove.
2)Fittheunitintothepanelwiththehelpofclampgiven.
3)Theequipmentinitsinstalledstatemustnotcomeincloseproximitytoanyheatingsource,
causticvapors,oilssteam,orotherunwantedprocessbyproducts.
4)Usethespecifiedsizeofcrimpterminal(M3.5screws)towiretheterminalblock.Tighteningthe
screwsontheterminalblockusingthetighteningtorqueoftherangeof1.2N.m.
5)Donotconnectanythingtounusedterminals.
Maintenance
1)Theequipmentshouldbecleanedregularlytoavoidblockageofventilatingparts.
2)Cleantheequipmentwithacleansoftcloth.Donotuseisopropylalcoholorany
othercleaningagent.
3)Fusibleresistormustnotbereplacedbyoperator.