Maple Armor FW106 - Appendix-D: Battery Calculations; Total System Currents Calculations

InstallationandOperationManual 
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Appendix‐D:BatteryCalculations
TotalSystemCurrentsCalculations
Table20SystemCurrentsCalculation
IMPORTANTNOTICE
ThemainACbranchcircuitconnectionforFireAlarmControlUnitmustprovideadedicatedcontinuous
powerwithoutprovisionofanydisconnectdevices.Use#12AWGwirewith600voltinsulationandproper
over‐currentcircuitprotectionthatcomplieswiththelocalcodes.Forspecifications,refertothe
SpecificationsandFeatures
section.
FunctionalUnit'sCurrents(Allcurrentsareinampere)
ModelNumber Description Qty Standby Total
Standby
Alarm Total
Alarm
FW201/FW201C AMI 1 × 0.143 0.146
FW391 PTU 1 × NA NA
FW397 PCU 1 × 0.065 0.065
FW327 ALU× 0.027 0.027
FW337 NOU× 0.036 0.054
FW347 ROU 1 × 0.035 0.035
FW357 XNU× 0.027 0.027
FieldDevicesCurrents(Allcurrentsareinampere)
Thetotalquantitiesofeachloopmust<=252.Thetotalcurrentoffielddevicesperloopis100mA@standby,
and220mA@alarm.
FW511 OpticalSmokeDetector × 0.00014 0.001
FW521 HeatDetector× 0.0001 0.001
FFW721 ManualStation× 0.0001 0.001
FW721C ManualStation(Canada) × 0.0001 0.001
FW811 InputModule× 0.00017 0.00079 
FW821 Input‐OutputModule× 0.00015 0.00026 
FW831 RelayModule× 0.00015 0.00026 