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Model9060ZManual
17
4.3INSTALLINGTHEAUXILIARYTHERMOCOUPLE
Welda1/2inchBSPmountingsockettothefluewithinabout300mm(12”),andupstreamofthe
oxygen probe. The thermocouple should be of similar length to the oxygen probe to prevent flue
temperaturedistributionerrors.
Thethermocoupleshouldbeconnectedtoterminals7&8.Theseterminalswillnotbeavailableforan
auxiliarythermocoupleifasecondprobehasbeeninstalled.
4.4ASHIELDCONNECTIONS
Allexternalwiringtothe 9060Ztransmittershould beshielded.Donot connectshieldsatthefield
end. Simply clip off and insulate. There are two M4 earth screw terminals available in the 9060Z
transmitter.Anextraterminalstripmayberequiredtoconnectallshieldstogether.Thisshouldbe
suppliedbytheinstaller.
4.4BEARTHCONNECTION(PE)
ThePE(protectiveearth)inputconnectionmustbemadetotheearthstudontherighthandsideof
cabinet. The PE input connection must be the first connection onto the earth stud and itmust be
securedbyaseparatenutandspringwasher.Allotherearthconnections(bondingconnections)can
bemadeoneitherofthetwoearthstudsinthebaseofthecabinet.
ThetransmitterMUSTbesecurelyearthed.
AssemblyofthePEandbondingconnectionsontheearthstud
4.5ELECTRICALCONNECTIONS
Allwiringshouldcomplywithlocalelectricalcodes.Theprintedcircuitboardsarefullyfloatingabove
earth.Theincomingsafetyearth(PE)mustbeconnectedtotheprimaryearthstudintherighthand
sideofthebasecabinet.
Thelocalfuseforthemainspowersupply,theisolationswitchandthesupplywirin
gmustallcomply
withtheelectricalsafetycodesandmustonlybeinstalledbyqualifiedtechnicians.Allearthandshield
connectionsshouldbeconnectedtotheearthscrewsinsidethecase.