Specifications

Maxiva ULX Series
November 11, 2013
2‐13
888‐2628‐300 WARNING:Disconnectprimarypowerpriortoservicing.
Copyright©2013,HarrisBroadcast
Note
There must be less than a 10% imbalance between any one phase and the average of all three phases to
allow the transmitter to operate, however the phase imbalance and frequency variation must be 5% or less
to meet transmitter specifications.
STEP 7 Endofprocedure.
2.8.3 CheckingACConfiguration
ThevoltagespecificationsonthetransmitterIDpanelshouldbecomparedtothesupplyvoltagestobesuretheyare
compatible.ShouldquestionsarisethejumpersinTB1andTB2ontheACdistrib utionpanel,theIPAandPA
backplanejumpers(TB1,TB2,andTB3),theMOVboardjumpers,andthe
possibl eneutralconnectionfromtheAC
servicedisconnecttoCB23andCB24canbeverified.ThesejumpersaredescribedintheWiringDiagram,PACabinet
MainMaxivaULX843‐5601‐001.Select theproperdiagramforthe systemthatisbeingused.Usethewiring
diagramsforpropersetup.
Theconnectionsarealsobrieflydescribedbelow.
•TerminalboardsTB1andTB2ontheACdistributionpanel.
Figures2‐5and2‐6,referredtobelow,containoutlinedrawingsofTB1andTB2,withblackboxesrepresentingthe
jumpersbetweensegments.Thecriticaljumpersareindicatedbythedashedboxesaroundthem.
2.8.3.1 TB1TB2Jumpers10‐16Modules
For208to240VACconnectionsinDeltaorWYE,TB1andTB2haveajumperbetweenterminals5and6,andnone
between6and7,see
Figure2‐5,top.
For380to415VAC,connectionmustbeWYEandthejumperisremovedfrombetweenterminals5and6and
installedbetweenterminals6and7,see
Figure2‐5,bottom.
2.8.3.2 TB1TB2Jumpers1‐8Modules
For208to240VACconnectionsinDeltaorWYE,TB1hasajumperbetweenterminals5and6,andnonebetween7
and8,see
Figure2‐6,top.
For380to415VAC,connectionsmustbeWYEandthejumperisremovedfrombetweenterminals5and6and
installedbetweenterminals7and8,seeFigure2‐6,bottom.
Correctpositioningofthejumpersensuresthat208to240VACisalwaysappliedtocircuitbreakersCB19through
CB22.
• ParallelMOVboards(A15A1&A15A2).MOVboard jumpersareshownonsheet8ofthePACabinetMain
WiringDiagram,drawingnumber843‐5601‐001.
• DriverandPAbackplaneboards.OntheIPAandPAbackplaneboards,drawingnumbers801‐0222‐131and
801‐0222‐101respectively,thejumpersonTB1,TB2,andTB3areconnectedbetweenterminals2and3for
208to240VACDeltaorWYEandconnectedbetweenterminals1and2
for380to415VACWyeconnections.
• Aneutralconnectionisrequired,fromtheACserviceentrancetoCB23andCB24(ifused)forthe380to415
voltWYEconnection,butnoneutralconnectionisrequiredforthe208to240voltDeltaorWYEconnections.
440to480VACDeltaorWYEconnectionsrequireastep
downtransformer.
Figure2‐4isaphotoofTB1andtheMOVboard(ontheleft).Theseterminalboardsneedtobeproperlyjumpered
dependingontheACmainsvoltage.Figure2‐5andFigure2‐6aresketchesthatshowthevariousconfigurationsof
theMOVandterminalblockjumpersdependingonACmainsandnumberofPAmodulesusedinthetransmitter.
TheMOVsandTB’sareaccessedbyremovingacoverplateonthetopofthetransmittercabinetattherear.