Fire Alarm Control Panels - Bosch Security Systems

Fire Alarm Control Panels Overview | en 15Device Quantity Standbyexisting/deviceTotalstandbyAlarm existing/deviceTotal alarmD7053 MUX I/ OModule Fire0.70 mA 0.70 mASmoke DetectorsBells, Horns, andso onOther SensorsOtherGrand TotalStandby ExistingGrand TotalAlarm Existing1The 24 VDC existing requirements for the D7030X, FMR-7033 and D7035 are shown at 75%of the 12 VDC level shown on the specification sheets for these models. The FPD-7024regulates 24 VDC power from the battery to 12 VDC for these accessories.2Add 30 mA for each relay activatedTable 2.4: Standby battery capacity calculationsThe units shown in the following table are Amp hours (Ah), and the calculations include a 20%derating factor.Grand Total Standby Existing (in amps)Total Hours of Standby Required(usually 24 or 60):Total Standby Capacity (multiply CS x HS)CSHSTS= CS x HSGrand Total Alarm Existing (in amps)Total Hours of Alarm Time Required(usually 0.083 o 0.25):Total Standby Capacity (multiply CA x HA)CAHATA= CA x HATotal Capacity Required (add TA + TS):TC = TA + TSRequired Capacity with 20% Derating(TC x 1.2)C = TC x 1.2Table 2.5: Required battery size calculationiNotice!The required battery size to support the system can be calculated using the tables for Standbyload battery size, 16 and Alarm load battery size, 16.Bosch Security System, Inc. Installation and Operation Manual 2012.08 | 04 | F01U008458