User Manual
RH520A-EU-EN v4.4 8/13
15
AlarmConditionsandtheAlarmHistory
WheninStandardViewmode:
IftheALARMdisplayiconisflashing–anAlarmconditioncurrentlyexists.
IftheALARMdisplayiconisONsteady–therearepastAlarmstoviewintheAlarmhistory.
UsetheALARMbuttontoviewtheAlarmhistoryasdescribedelsewhere
inthismanual.
IfanAlarmistripped,presstheALARMbuttontosilenceit.
PressandholdtheSETbuttonfor2secondstoclearanalarmthroughtheexternalrelay
module.
WheninAlarmVieworTimeViewmode:
IftheALARMdisplayiconis
flashing–thecursoriscurrentlyonanAlarmcondition.
IftheALARMdisplayiconisONsteady–therearepastAlarmstoviewintheAlarmhistory.
UsethecursorsortheALARMbuttontoviewtheAlarmhistoryasdescribedelsewhereinthis
manual.
Notethatthe
Alarmdisplayiconandtheexternalalarmrelaymodulecanbecontrolled
separatelyasindicatedinthestatementsabove.
BatteryReplacement
The5‐segmentbatterylifeindicatorallowstheusertotrackthestatusofthebattery.Whenall
5‐segmentsaredark,thebatteryisfullycharged.Segmentsswitchoffas thebatteryages.When
thebatteryindicatorhasonlyonesegmentleftthebatteriesmustbereplacedimmediately.
1. Openthebatterycompartmentontherearoftheinstrument
2. Removetheoldbatteriesandreplacewiththree(3)heavydutyalkaline‘AA’batteries
observingpolarity
3. Replacethebatterycompartmentcoversecurely
4. TheRH520Awillrequirea“ProgrammingReset”toresetthedisplay.PresstheRESET
buttonlocated
insidethebatterycompartment.“Reset”clearsallsettings.Time,Date
andtheloggingintervalneedtobeentered.Themeasurementdataandalarmhistory,
however,willstillberetainedinthenon‐volatilememory.
You,astheenduser,arelegallybound(Batteryordinance)toreturnallusedbatteries
andaccumulators;disposalinthehouseholdgarbageisprohibited!
Youcanhandoveryourusedbatteries/accumulators,gratuitously,atthecollection
pointsinourbranchesinyourcommunityorwhereverbatteries/accumulatorsare
sold!
Disposal
Followthevalidlegalstipulationsinrespectofthedisposalofthedeviceattheendofits
lifecycle