Samlexpower SEC-1250UL Owner's Manual - Section 7 |
22 | SAMLEX AMERICA INC.
!
cAUtion!
PleASe enSURe tHAt PoSition S1- on And S2 - on iS neVeR Selected
SelectinG tHe tiMe FoR StAGe 2 - ABSoRPtion StAGe (“U
0
” Phase)
Stage2-AbsorptionStage(“Uo”Phase)iscontrolledbyaninternaltimercircuit.Time
of4hoursor8hourscanbeselectedwiththehelpofapairofswitchesS3&S4ofthe
setof4DIPSwitches(5).Checkwiththebatterymanufacturerfortheoptimumsetting.
Thepresetvalueis4Hrs.Selectthetimesasfollows:
time
diP Switch S3
diP Switch S4
type of Battery
4 hours*
off*
ON*
Flooded/WetCell
8 hours
ON
off
GelCell&AGM
Disable
off
off
-
* factory preset in this position
!
cAUtion!
PleASe enSURe tHAt PoSition S3- on And S4 - on iS neVeR Selected
RedUction oF MAxiMUM cHARGinG cAPAcity to HAlF FoR SAFe
cHARGinG oF loWeR cAPAcity BAtteRieS - HAlF PoWeR Mode
Batteriesshouldnotbechargedatveryhighcurrentstoensurelonglife.Unlessap-
provedbythemanufacturer,themaximumchargingcurrentshouldbelimitedto
approximatelyC/10(whereCistheAhcapacityofthebatteryat20HourRate).Thus,
attheratedcurrentcapacities(50AforSEC-1250ULand25AforSEC-2425UL),theAh
capacity of the battery that should be charged with the charger will be:
• 50Ax10=500AhforSEC-1250UL
• 25Ax10=250AhforSEC-2425UL
IfbatterywithlowerAhcapacityischargedatthefullchargingrate,thebatterylifeis
likelytobereduced.
Aprovisionhasbeenmadetoreducethemaximumchargingcurrenttoapproximately
half:25A+/-1AforSEC-1250UL&12.5A+/-1AforSEC-2425UL.Thismodeistermedas
“HalfPowerMode”.Thismodecanbeselectedbypressingpushswitchmarked“Half
PowerMode”(8).Whenselected,aGreenLEDmarked“HalfOn”(5)willbelighted.
When“HalfPowerMode”isselected,batterieswiththefollowinglowercapacitiescan
besafelychargedatC/10chargingrate:
• SEC-1250UL-250AH
• SEC-2425UL-125AH
seCtIOn 7 |
Preparing the Charger for Operation