Samlexpower SEC-1250UL Owner's Manual - Section 7 |
18 | SAMLEX AMERICA INC.
SelectinG Ac inPUt VoltAGe
Thechargerispre-settooperatefrominputACvoltageof120VAC,60Hz.Tooperate
thechargerfromACinputvoltageof230VAC,50Hz,changetheinternalsettingas
follows:
1.Removethesideplatethathasthepowercordentrybyunscrewing4screws
2.RemovetheVoltmeterandtheAmmeteronthetopcentralplatebypryingupthe
bottomedgesofthemeterswithabroad,flatscrewdriverandbypushingthemeters
upfromthebottomoftheplate(thesearesnapfitted).Removetheconnectingwires
andmarkthem.Notethepolarityforconnectingbackinproperpolarity.Themeter
terminalsaremarkedPositive(+)andNegative(-).ThickerwiresarefortheAmmeter
andthinnerarefortheVoltmeter
3.Gentlyslidethecentertopcoverplateout.Noteandmarkitsorientationfor
correct re-fitting
4.LocateYellowloopofjumperwirewithquickfemaledisconnect.Inthepre-set
120VACcondition,thisjumperwireisshortingthemaleverticalpinsmarked“C”and
“D”and“115V”.Pullanyoneendofthisfemaledisconnectupwardstodisconnect
shortingbetween“C”and“D”.Insulatethisendwithinsulatingtape.Theunitisnow
setfor“230VAC”
5.The120VACversionhasasoldered12AfuseontheACside.Whenconverting
120VACversionunitfor230VACoperation,thereisnoneedtoreplacethe12Afuse
6.ReplacetheACplugofthepowercordwithasuitable3pingroundedplugtomate
withthe230VACoutlet.
!
cAUtion!
Thenewplugshouldhave3polesi.e.Line(L),Neutral(N)andEarthground.
Color code for the power cord conductors is:
- Line(L)-Black
- Neutral(N)-White
- Earthground-Green
connectinG tHe BAtteRieS oR otHeR dc loAdS
AsshowninFig.7.1and7.2(page19),theoutputofthechargerhasacommonNega-
tive(-)connectorand2Positiveconnectorsforconnectionof2banksofbatteries.Each
Positiveconnectorhasitsowninternalisolatingdiode,whichworksasabatteryisolator.
Ifmorethanonebankofbatteriesisconnected,thesewillbechargedatthesametime
aslongastheACpowerisavailabletothecharger(themaximumchargingcurrentof
50AofSEC-1250ULand25AofSEC-2425ULwillbesharedamongtheconnectedbanks
ofthebatteriesdependingupontheirdischargedstates).IncasetheACpowerfails
orifthereisnooutputfromthecharger,theisolatingdiodeswillpreventcharging/
dischargingamongthebatteriesconnectedtothebanks.
seCtIOn 7 |
Preparing the Charger for Operation