ProcedureforSystemwithPDU-XR
1.Mechanicalassembly(notshownonthedrawing)
2.Connectthecommunicationcables
3.Connectthenetworkcommunicationcable
4.ConnecttheEPO
5.Connectthebatterycables
6.ConnectthepowercablesbetweentheUPSandthePDU-XR
7.Interconnectandlevelthecabinets
8.ConnecttheinputandoutputcablestothePDU-XR
Note:InputneutralisalwaysON.InputneutralisneverswitchedOFFwhenQ1circuit
breakerisswitchedONorOFF.Acontinuousgroundedneutralmustbeconnectedtothe
inputoftheUPS.ThisconnectionensuresthattheUPSNeutralremainsgroundedwhile
inbatteryoperationmode.OperationofUPSinbatterymodewithoutthecontinuously
groundedneutralcanresultinexcessivevoltagepotentialsbetweengroundandlinevoltage.
Thisexcessivevoltagepotentialcouldleadtodamagetoexternallyconnectedequipment.
TheneutralconnectiontotheloadisswitchedwhenoperatingQ2andQ3.
4
SymmetraPX96and160kW400VInstallation
990–3017E-001