nstallation Instructions

AL1042ULADA - 5 -
Amount of Notification Appliances per NAC:
Amseco 27perNAC* SystemSensor® 32perNAC*
Faraday 39perNAC* CooperWheelock® 32perNAC*
Gentex® 32perNAC*
*Not to exceed a maximum of 2.5 amp per NAC.
Terminal Identification Table:
AL842LGK - Logic Board
Terminal Legend Function/Description
IN1+,IN1-
IN2+,IN2-
(Supervised)
These terminals connect to the 12VDC or 24VDC FACP  notification appliance circuit outputs.
(ClassA,StyleZorClassB,StyleW,Y)Inputtriggervoltageis8-33VDC@5mAmin.Terminal
polarityisshowninalarmcondition.Duringanalarmconditiontheseinputswillcausetheselected
outputschosentodrivenotificationappliances.Thedesignatedoutputsaresetbyoutputswitches
[OUT1through OUT4] (Output Programming Selection Table, pg. 4).A trouble condition onan
output loop will cause the corresponding input to trip the FACPby opening the FACP loop. An
alarmconditionwillalwaysoverridetroubletodrivenotificationappliances.
RET1+,RET1-
RET2+,RET2-
(Supervised)
ForClassA,StyleZhookupstheseterminalpairsreturntoFACPNAC1and/orNAC2.
ForClassB,StyleW,YhookupstheFACPEOLresistorfromtheNAC1and/orNAC2outputsare
terminatedattheseterminals.Optionally,othernotificationappliancesoradditionalsignalingcircuit
powersuppliesmaybeconnectedtotheseterminals.IfthisoptionischosentheEOLresistormust
beterminatedatthelastdevice.
C“DRY1”NC
C“DRY2”NC
(Dryinputtrigger)
Anopenacrosstheseinputs,willcausetheselectedoutputschosentodrivenotificationappliances.
Thedesignated outputs are set by output switches [OUT1 throughOUT4] (Output Programming
Selection Table, pg. 4).Notetheseinputsareunidirectionalandwillnotreportatroublecondition
totheFACP.
+OUT1-- 
+OUT2--
+OUT3-- 
+OUT4-- 
(Supervised)
Notificationappliancesareconnectedtotheseregulatedoutputs(see Application Guide, pgs. 2-4).
Eachpower-limitedoutputwillsupply2.5amp.Totalsupplycurrentis10amp(see note below).
Outputsarecontrolledbydesignatedinput1[IN1]orinput2[IN2] (Output Programming Selection
Table, pg. 4).Maximumlinelossorvoltagedrop(testedwith2.5V).
+Loop1-- 
+Loop2-- 
+Loop3-- 
+Loop4--
UsedforClassA,StyleZhook-upstoterminateloopsoriginatingon[OUT1],[OUT2],[OUT3],
and[OUT4]respectively.
C“FAULT”NC
(Common
troubleinput)
Anopencircuitacrossthispairofterminalswillcause[INP1andINP2]LEDstosimultaneouslysig-
nalatroubleconditionbacktotheFACP(TypicallyusedtoreportACorBATFail).(Fig. 3a, pg. 8).
NC,C,NO
(Common
troubleinput)
These are dry contact trouble outputs that report any general loop/system trouble conditions.
(Typicallyusedtotriggeradigitalcommunicatororotherreportingdevices).
(form“C”contact1amp/28VDC0.35PowerFactor)(Fig. 3, pg. 8).
--AUX+
Thisseparate1ampmax.auxiliaryspecialapplicationpoweroutputcircuitistypicallyusedtopower
electromagneticdoorholdersthatkeepfireandsmokedoorsopenundernormalconditions.
See Appendix A, pgs. 10-12.
--AUX2+
Thisseparateauxiliaryregulatedpoweroutputcircuitsuppliesupto1ampduringstand-byandalarm
condition.SincethisoutputisnotdisconnectedfromitsloadduringACpowerfailureusethe(Battery
Calculation Worksheet, pg. 9)todeterminebatterysizeand/orallowablestand-byandalarmcurrent.
+DC--  24VDCfrompowersupply.
Note: Unit is equipped with two (2) 1 amp max. auxiliary outputs: “AUX1” will automatically disconnect when AC
is lost. “AUX2” will remain battery backed up during power outage. For loads connected to “AUX2” please, refer
to battery “Stand-by Specifications” above for ratings. When loads are connected to the “AUX1” and or “AUX2”
outputs during alarm condition, the remaining outputs may, not exceed 10 amp total alarm current.
(example: AUX1 = 1 amp, AUX2 = 1 amp, outputs up to 8 amp).