Installation Guide
- 6 - AL842ULADA
Terminal Identification Table:
AL800ADA - Power Supply Board
Terminal Legend Function/Description
L,G,N Connect120VACtotheseterminals:Ltohot,Ntoneutral.
-DC+ 24VDC@8ampinalarmnonpower-limitedoutput.
ACFAIL
NO,C,NC
Form“C”drycontactsindicatethelossofAC,withACpresentterminalsmarked[NOandC]areopen,
[NCandC]areclosed.WhenlossofACoccursterminalsmarked[NOandC]areclosed,[NCandC]
areopen.
ACLOCAL
NC,NO,C
Form“C”drycontactsusedtoinstantaneouslysignalthelossACtolocalannunciationdevices,with
ACpresentterminalsmarked[NOandC]areopen,[NCandC]areclosed.WhenlossofACoccurs
terminalsmarked[NOandC]areclosed,[NCandC]areopen.
BATFAIL
NO,C,NC
Form“C”drycontactsindicatelowbatteryvoltageorlossofbatteryvoltage.Undernormalcondi-
tionsterminalsmarked[NOandC]areopen,[NCandC]areclosed.Duringatroubleconditiontermi-
nalsmarked[NOandC]areclosed,and[NCandC]areopen(Fig. 2, pg. 7).
+BAT- Stand-bybatteryinput(leadsprovided)(Fig. 2, pg. 7).
*Power Board Parameter Specifications:
• ACFailconditionwillreportapproximately30secondsafterlossofAC.Todelayreportfor2.5to3hourscutjumper
ACDELAYonthePowerSupplyBoard(ACtroubleoutputdelayoption).IfthismodeisselectedthePowerSupply
Boardmustberesetbyremovingallpowertoitfor30seconds.
• Lowbatteryconditionwillreportatapproximately21VDC.
• Batterypresencedetectionwillreportwithin180secondsafterbatteryremainsundetected(missingorremoved).
Arestoredbatterywillreportwithin30seconds.
LED Diagnostics:
AL800ADA - Power Supply Board
Red (DC) Green (AC) Power Supply Status
ON ON Normaloperatingcondition.
ON OFF LossofAC.Stand-bybatterysupplyingpower.
OFF ON NoDCoutput.
OFF OFF LossofAC.Dischargedornostand-bybattery.NoDCoutput.
AL842LGK - Logic Board
LED OFF ON BLINK (LONG)* BLINK (SHORT)**
ON Normal AlarmCondition TroubleCondition TroubleConditionMemory
ON Normal AlarmCondition TroubleCondition TroubleConditionMemory
OFF Normal AlarmCondition TroubleCondition TroubleConditionMemory
OFF Normal AlarmCondition TroubleCondition TroubleConditionMemory
Input1 Normal AlarmCondition TroubleCondition ---
Input2 Normal AlarmCondition TroubleCondition ---
Fault Normal AlarmCondition --- ---
* Indicatesexistingtroublecondition.Whenatroublecondition(open,shortorground)occursonaspecificoutput,the
correspondingredoutputLED,[OUT1-OUT4]willblink.ThecorrespondinggreeninputLEDwillblinkaswell.
**Indicatestroubleconditionmemory.Whenatroubleconditionrestores,theunitsredoutputLEDs[OUT1-OUT4]
willblinkwithashorteranddistinctlydifferentduration.ThegreeninputLEDswillbeoff(normalcondition).
ToresetthememorydepresstheresetbuttonlocatedontheAL842LGKlogicboard(Fig. 2c, pg. 7).
TheLED(s)willextinguish.
Note: Whenindicatingcircuitshaverestored,troublememoryresetisnotrequiredfornormaloperation.