Instruction manual

-16-
CauseandEffectMatrix-continued
Thereare3 AuxiliaryrelayslocatedontheED816A Input/Outputmodule,eachwith2setsofvoltagefree
contacts.(NotetheED816A has1setofvoltagefreecontactsperauxrelay.)
Thereare3monitoredsoundersontheED816A Input/Outputmodule.SNDR1isthededicatedfire/gasalarm
whichisoperatedinfailsafemodeandalsoviatheHardWareFireDetectioncircuit. TheHWFDcircuitwill
continuetogivealarms,fromDiscoverydetectorsandEDL gasdetectors,intheeventofcommunicationfailure
betweenpanelandloopdevices,providedtheloopvoltageisstillcorrect. ThereforeSNDR1shouldbethefirst
choiceandshouldalwaysbeusedwithatleastonesounderlocatedinamannedarea.
Sounders2and3areconfigurableviaFireConfig.
Whenchoosingloopdeviceinthe“effect”dialogueboxitispossibletoselectanyaddressabledevice.
Howevercareshouldbetakentoonlyselectsuitabledevicese.g.Sounders,beaconsandoutput
modules. Thefollowingguidelinesshouldbeobserved:
Whenchoosinglooppoweredsounders/beaconsas
outputdevicesthesettonedropdownboxappears.
Allowingthecommissioningengineertochoosewhich
outputbitsaresetandhencethetonetobeused.
Refertothe Apollodatasheetsforindividualsounder/
beacontypes,belowarethemostcommonexamples:
100dBlooppoweredsounder
0 continuoustone
1 pulsedtone
0+1 continuoustone
Intelligentbasesounder
0 alternates510hz/610hz
1 intermittent510hz
0+1 alternates510hz/610hz
Ancillarybasesounder
0 continuoustone
1 notused
0+1 notused
Toavoidconfusionitisimportanttoensureallsoundersusethesametones(orassimilaraspossible)tosignal
thesamecondition.
AuxRelay
Sounders
LoopDevice
Soundersandbeacons
Outputbit Action
Outputbit Action
Outputbit Action
ED816A AddressableFireandgasdetectionInstallationmanual8-9-08Rev-a