EnerSys Alpha Cordex CXC HP User Manual

Cordex®CXCHPControllerSoftwareManual|19-Maintainingthesystem
19.2.2.1. Using manual DC priority
ItispossibletomanuallyinstructtheinverterstotakesomeamountofpowerfromDC.Thiscanbeuseful
fortestingortomanuallyreducetheACinputpowerduringpeakperiods.WhenbothManual DC Priority
andAC Input Power Limit areenabled,thefeaturewiththehigherresultantDesired DC Input Power
willtakepriority.TouseManual DC Priority:
1. GotoSystems > Inverter System > System Functions > Manual DC Priority.
2. FromtheManualDCPrioritytable,selecttheEDIT icon.
3. SelectEnable inManual DC Mode dropdownmenuandselectsave.
4. SelecttheEDIT buttontosettheDesired DC Input Power tothedesiredvalue.Thisvalueisa
percentageofoutputpowerthatwillbetakenfromDC(withtherestcomingfromACinput).
5. DisableManual DC Mode whencomplete.
19.2.2.2. Use AC input power limit
TheACinputpowerlimitisafeaturethatallowsthecontrollertodynamicallyadjusttheamountofpower
takenbytheACinput,bytakingsomepowerfromtheDCinput.Thecontrollerwillcontinuetotake
powerfromtheACinputuntilauserconfiguredpowerlimitthresholdisreached.Atthispoint,theinverter
systemwillbegintodrawpowerfromitsDCbus.WhenbothManual DC Priority andAC Input Power
Limit areenabled,thefeaturewiththehigherresultantDesired DC Input Power willtakepriority.
1. GotoSystems > Inverter System > System Functions > AC Input Power Limit.
2. EnabletheAC Input Power Limit.
3. SettheDesired AC Input Power totherequiredvalue.ThecontrollerwillattempttolimittheAC
inputpowertothisvaluebytakingsomepowerfromtheDCinput.
4. DisableAC Input Power Limit whencompleteorwhenthebatteryneedstobecharged.
Thebatterymaybedepletedandrequirecharging.
19.2.3. Replace the fan
Thefaninsideeachinverterhasalimitedlifetime.Whenthislifetimehasexpiredtheinverterwillhavean
activealertcalledFan Life Elapsed.Topreventanunexpectedfanfailurethatcouldcompromisesystem
redundancy,itisrecommendedthatthefanbereplacedwhenthisalertoccurs.
Toclearthealert,gotoSystems > Inverter System > Inventory > Inverters > Status,andselectthe
GO TO buttonoftheinverterwiththealert,thenselecttheClear Fan Life Elapsed Alert button.
19.2.4. Identify an inverter
Ifaninverterisinalertitisusuallynecessarytoidentifyandlocatetheinverterintherack.Therearetwo
waystodothis:
0350058-J0 Rev AL Page 169

EnerSys Alpha Cordex CXC HP Specifications

General

Brand	EnerSys
Model	Alpha Cordex CXC HP
Category	Controller
Language	English