•24VDCrated@8ampmax.
•Four(4)ClassAorfour(4)ClassBoutputs.
•Two(2)ClassAortwo(2)ClassBFACPinputs.
•Two(2)NCdrycontacttriggerinputs.
•Four(4)ClassAorfour(4)ClassB
indicatingcircuits.
•Two(2)ClassBoutputsmaybeparalleledformore
poweronanindicatingcircuit.
•One(1)Aux.PowerOutput@1ampsupplycurrent
(w/batterybackup).
•One(1)Aux.PowerOutput@1ampsupplycurrent
(w/obatterybackup).
•SignalCircuitTroubleMemory-facilitatesquickly
locatingintermittentsystemtroubleandeliminates
costlyandunnecessaryservicecalls.LEDsindicatea
priorfault(short,open,ground)hasoccurredonone
ormoresignalingcircuitoutputs.
•2-wireHorn/StrobeSyncmodeallowsaudible
notificationappliances(Horns)tobesilencedwhile
visualnotificationappliances(Strobes)continue
tooperate.
•Horn/Strobesyncprotocolsinclude:Gentex®,
SystemSensor®,Faraday,Amseco.
•TemporalCode3Mode.
•SteadyMode.
•InputtoOutputFollowerMode(maintains
synchronizationofnotificationappliancecircuits).
•MarchTime.
•Compatiblewith24VDCfirepanels.
•Groundfaultdetection.
•Input115VAC.
•ACfailsupervision(form“C”contacts).
•Lowbatterysupervision(form“C”contacts).
•Batterypresencesupervision(form“C”contacts).
•Powersupply,logicboard,redenclosure,camlock,
transformer&batteryleads.
•Enclosure:
- Combinationknockoutsre1/2”and3/4”
- Accommodatesuptotwo(2)
12VDC/12AHbatteries.
AL842ULADAweights:
Productweight:14.8lbs.
Shippingweight:19.15lbs.
AL842ULADA
NAC Power Extenders
Rev.AL842ULADA_A27K
Overview
Specifications
Agency Approvals
TheAL842ULADAareextremelycosteffectivevoltageregulatedremoteNAC
PowerExtenders.Theymaybeconnectedtoany24voltFireAlarmControl
Panel(FACP).PrimaryapplicationsincludeNotificationApplianceCircuit(NAC)
expansion(supportsADArequirements)andwillprovideauxiliarypowertosup-
portsystemaccessories.
ULListedControlUnitsandAccessories
forFireAlarmSystems(UL864),
FactoryMutualApproved.
NYCDepartmentofBuildingsApproved.
CaliforniaStateFireMarshalApproved.