Teledyne 9060Z 4.6HEATERINTERLOCKRELAYS, 4.7CONNECTINGANOXYGENPROBECABLE

Model9060ZManual
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• Themainspowermustbeeither100/110VACor220/240VACwithamainsfrequencyof50or60Hz
• Thesupplycircuitmustbefusedtoatleast10Ampsandhaveadualpoleisolationswitchwithin
easyaccessoftheoxygentransmitter.Theisolationswitchmustbemarkedastheisolationswitch
forthisequipment.Itisrecommendedthataseparateisolationswitchbeusedforeachtransmitter
sothatatransmittercanbeservicedindividually.
• Thepowersupplycablesmustbesuppliedandinstalledaccordingtolocalregulations
• Theearthconnectionmustcomplywiththelocalregulationsmusthaveacurrentcarrying
capability
 equalorgreaterthanthesupplyfusecurrentrating
• Theearthconnectionmustbeconnectedtotheprimaryearthstudinsidethetransmitteronthe
righthandside
• Allotherbondedearthconnectionsfromtheexternalwiringmustbeconnectedtotheprimary
earthstud.
Alloperationsrelatingtheelectricalwiringandinstallationmustbecarriedoutbyqualifiedpersonsin
accordancewiththesafetyregulationsandthewiringrules.
NOTE:Thepowerswitchinthetransmittercanbeusedtoturnoffthetransmitter.Theremustbean
approvedisolationdeviceinstalledtoprovidecompleteisolationofthemainspowertothe
transmitter.Themainswiringterminalmustnotbeusedasandisconnectdevice.
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4.6HEATERINTERLOCKRELAYS
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HeaterSupplyInterlockConnectionforHeatedProbes
Ifasafetyinterlockisnotrequired,awiremustbeconnectedbetweenterminals10&11toenable–
• Theheatersonheatedprobes
• Processalarms
• Auto‐purgeandauto‐calchecking
• Runtimetimer
4.7CONNECTINGANOXYGENPROBECABLE
Connecttheprobeleadasshowninthefollowingdrawings.Unheatedprobeleadshaveintegral
referenceairtube.AnadaptorhasbeensuppliedtoconnectthistubetoquarterinchflexiblePVC
tubing,fromtheairpumporreferenceairsupply.
CAUTION
Explosionprotectionforheatedprobesisachievedbyswitchingthepowertotheprobeheateroff
wheneverthemainfuelvalveisclosed.
Theprincipleofsafetyisthatifthemainfuelvalveisopenthenmainflamehasbeenestablished.Withthis
primarysourceofignitionon,theprobeheatercanbesafelyswitchedon.Themostdangeroussituationisif
fuelleaksintothecombustionappliancewhenthefuelvalveisclosed.Whenpowerisremovedfromthe
mainfuelvalvetheheatershouldalsobeswitchedoff.
Toachievethisprotection,connectamainfuelvalvevoltagefreecontacttothe‘BURNERINPUT’terminals
10&11.Whenthemainfuelvalveisopen,thevoltagefreecontactshouldbeclosed.Forinstallations
wherethereisnoriskofexplosion,connectalinkbetweenterminalsnumber10&11.