Tynetec Advent xt - Pa Amplifier & Smpsu Installation; Termination; Mains Supply; Installation

DocNo.FM0410issueM‐1Page14
100V LINE AUDIO
240V AC
MAINS
EN
AUD
0V
VR2
AUD IO VOL
PA AMPLIFIER
BOARD
TONE VOL
VR1 FIRE
ISSUE "E" ONWARD
+24V/50W DC-DC CONVERTER -24V/50W DC-DC CONVERTER
15V/100W SWITCH MODE PSU
TRANSFORMER
12V BATTERY
PA1 PA2
AUDIO OUT
AUDIO & DATA IN
8.PAAMPLIFIER&SMPSUINSTALLATION
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TheoptionalPAamplifier&SMPSU(P/No.ZXT155)allowsthe
onsitemanagertobroadcastpublicaddressannouncements
throughallintercomssimultaneously.
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Note;PAintercoms(P/No.ZXT206)mustbefittedinall
dwellings.OnePAamplifier&SMPSUcandriveapprox.80
intercoms,forlargersystemsasecondZXT155will
berequired
andthesitePAwiringmustbesplitintotwolegs.
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INSTALLATION
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ThePAamplifier&SMPSUishousedinasinglesteelenclosure200x500x100mm(HxWxD)designedforwallmounting
belowtheAdventxtcontroller.
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MAINS SUPPLY
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The240VACmainssupplyshouldbetakenfromthesamefusedspurastheAdventxtcontroller.Fitthenylonstrainrelief
tothesockettopreventthemainsleadbeinginadvertentlyunplugged.
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TERMINATION
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3cablesareprovidedforconnectiontotheAdventxtterminationboard‐seetablebelowforconnectionsandcolour
codes.SeeDrgNo.ZXT100sheet2,forlargersystemswithintercomssplitover2legsseeDrgNo.WD0276.
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Terminal Colour Cable ConnectedTo:
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PAAmplifierEN Red
3Core
AdventxtTerminationBoardEN
PAAmplifierAUD Blue AdventxtTerminationBoardAUD
PAAmplifier0V Green AdventxtTerminationBoard0V
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RS485+ Red
2Core
AdventxtTerminationBoardRS485+
RS485‐ Black AdventxtTerminationBoardRS485‐
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TransformerPA1 Red
2Core
AdventxtTerminationBoardPA1
TransformerPA2 Black AdventxtTerminationBoardPA2
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Note:thetransformerPA1/PA2connectionisnotpolarityconscious.
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SMPSU & DC-DC MODULES
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The15V/100Wswitchmodepowersupplyunit(P/No.W00585)isfactorysetto13.75VDCoutputtosupplythetwo24V
DC‐DCconvertersandthePAamplifierboard.Thisvoltagealsochargesthe12Vstandbybattery.TheSMPSUhas an 
internal20mm3.15Amainsfuseandsolidstateoverloadprotectionontheoutput.Fordetailsonchangingthemainsfuse
see“27VSMPSUModule”onPage7.
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Thetwo24V/50WDC‐DCconvertermodules(P/No.W00590)arefactorywiredtoprovide+/‐24VDCsupplyforthePA
amplifierboard.TheDC‐DCconvertershavesolidstateoverloadprotectionandcontainnouserserviceableparts.
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PROGRAMMING
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TheAllCallandFireToneoptionsmustbeenabledinthe“GeneralSetup”programming‐seetheAdventxtProgramming
Manual(TynetecDocNo.FM0411).
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