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Radionics D2112 Installation Manual
Also see for D2112: User guideDiagnostic manualUser guide
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D2112/D2112E Installation ManualPage 1874-07111-000-D 196 © 1995 RadionicsThe D8108A is attack resistant. It is intendedprimarily for UL commercial burglar alarm andmercantile safe and vault applications requiring alocal bell. You can use the D8108A in any burglarapplication where the D8103 or D8109 enclosure issuitable. The D8108A is approved by FactoryMutual, California State Fire Marshal, and the NewYork City Materials and Equipment AcceptanceSystem.The D8109 is normally used for fire alarmapplications. The D8109 is approved by FactoryMutual, California State Fire Marshal, and the NewYork City Materials and Equipment AcceptanceSystem.Standby Battery RequirementsHousehold Burglary and Commercial BurglaryFour hours of standby battery capacity required.Standby Battery Calculation forFire Alarm ApplicationsNFPA 72 Household Fire Warning EquipmentThe NFPA 72 Household Fire Warning EquipmentStandard requires 24 hours of standby plus fourminutes (.067 hrs) of alarm operation at the end ofthe 24 hour period.You must use battery ampere hour (Ah) calculationsto verify compliance. The formula below includes a10% contingency factor for depletion of batterycapacity with age.NFPA 72 Ampere-Hour Calculation Formula(Total B ___ x 24 Hrs) + (Total C ___ x .067 Hrs) +(10% Contingency) = Total Ah required.Total Ah requirements must not exceed Ah capacityof batteries.Current Rating Chart for Standby Battery CalculationsAll currents are in milliamperes (1 ampere=1000 milliamperes).AC Power On AC Power Off In AlarmNormal Current Minimum Current Maximum CurrentModel Number Each Each EachNumber Used Unit Total Unit Total Unit TotalD202 ____ 45 _____ 45 _____ 125 ___________ ____ ____ _____ ____ _____ ____ ___________ ____ ____ _____ ____ _____ ____ ___________ ____ ____ _____ ____ _____ ____ ___________ ____ ____ _____ ____ _____ ____ ___________ ____ ____ _____ ____ _____ ____ ___________ ____ ____ _____ ____ _____ ____ ___________ ____ ____ _____ ____ _____ ____ ___________ ____ ____ _____ ____ _____ ____ ___________ ____ ____ _____ ____ _____ ____ _____Total A 1 = _____ Total B = _____ Total C2= _____1 If Total A exceeds 860 mA, a stand-alone power supply is required to provide additional current.2 If Total C exceeds 860 mA for fire systems, a stand-alone power supply is required to provide additionalcurrent. |
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