DMP Electronics XR2500F Smoke Alarm User Manual


  Open as PDF
of 60
 
Digital Monitoring Products XR2500F Installation Guide
16
InstallatIon
Battery Information
11.1 Battery Only Restart
WhenpoweringuptheXR2500FpanelwithoutACpower,brieyshortacrossthebatterystartpadstopullin
thebatterycutoffrelay.Theleadsneedamomentaryshortonly.Oncetherelayhaspulledin,thebattery
voltageholdsitinthatcondition.IftheXR2500FpanelispoweredupwithanACtransformer,thebattery
cutoffrelayispulledinautomatically.ForbatterystartpadlocationrefertoFigure11.
11.2 Battery Replacement Period
DMPrecommendsreplacingthebatteryevery3to5yearsundernormaluse.
11.3 Discharge/Recharge
TheXR2500Fbatterychargingcircuitoatchargesat13.9VDCatamaximumcurrentof1.0Ampsusinga
56VAtransformer.Listedbelowarethevariousbatteryvoltagelevelconditions:
BatteryTrouble: Below 11.9VDC
BatteryCutoff: Below 10.2VDC
BatteryRestored: Above 12.6VDC
11.4 Battery Supervision
TheXR2500FteststhebatterywhenACpowerispresent.Thetestisdoneeverythreeminutesandlastsfor
veseconds.Duringthetest,thepanelplacesaloadonthebattery;ifthebatteryvoltagefallsbelow11.9
VDCalowbatteryisdetected.IfACpowerisnotpresent,alowbatteryisdetectedanytimethebattery
voltagefallsbelow11.9VDC.
IfalowbatteryisdetectedwithACpowerpresent,thetestrepeatseverytwominutesuntilthebattery
chargesabove12.6VDCindicatingthebatteryhasrestoredvoltage.Ifaweakbatteryisreplacedwitha
fullychargedbattery,therestoredbatteryisnotdetecteduntilthenexttwominutetestcompletes.
11.5 Battery Cutoff
Thepaneldisconnectsthebatteryanytimethebatteryvoltagedropsbelow10.2VDC.Thispreventsbattery
deepdischargedamage.
12.6 XR2500F Power Requirements
DuringACpowerfailure,theXR2500FpanelandallauxiliarydevicesconnectedtotheXR2500Fdrawtheir
powerfromthebattery.Alldevicesmustbetakenintoconsiderationwhencalculatingthebatterystandby
capacity.OnthefollowingpageisalistoftheXR2500Fpanelpowerrequirements.
•XR2500FCommandProcessor™Panel
•TheFireCommandCenter
•893ADualPhoneLineModule
•Two866NACmodules
•481ZoneExpansionInterfaceCard
ThenaddtheadditionalcurrentdrawofRemoteFireCommandCenters,SecurityCommandkeypads,zone
expansionmodules,smokedetectoroutput,andanyotherauxiliarydevicesusedinthesystemforthetotal
currentrequired.Thetotalisthenmultipliedbythenumberofstandbyhoursrequiredtocalculatethetotal
ampere-hours required.
SeetheXR2500FStandbyBatteryPowerCalculationschartonthefollowingpageandtheStandbyBattery
Selectioninformationonthenextpage.
 previous next