Bosch B9512G - Household Fire Warning Equipment

Control Panels Approved applications | en 117
Bosch Security Systems, Inc. Installation Manual 2018.07 | 10 | F.01U.303.996
Police Station Connected (Bank) 72 30 (CUL)/15 (UL)
Police Station Connected (Mercantile) 24 30 (CUL)/15 (UL)
Local Burglary (Bank) 72 30 (CUL)/15 (UL)
Local Burglary (Mercantile) 24 30 (CUL)/15 (UL)
Holdup 8 N/A
Residential Fire 24 5 (CUL)/4 (UL)
Access Control 4 N/A
Table19.11: Minimum standby and alarm times
Type Required capacity Calculations
Household Burglary and
Commercial Burglary
4 hours
Bank Safe and Vault 72 hours (UL 365). Auxiliary power current for all devices,
including keypads, must be limited to 250 mA or less to meet
this requirement.
Central Station or Local
Fire Alarm
24 hours + 5 minutes of alarm operation.
Remote Station or
Auxiliary Fire Alarm
60 hours + 5 minutes of alarm operation.
Household Fire Warning
Equipment
24 hours + 4 minutes of alarm operation.
Access Control (Level iV
Standby Power)
4 hours
Table19.12: Standby battery requirements
Notice!
Because of changing regulations, verify the necessary time with your local authority having
jurisdiction (AHJ).
19.4.1 Household Fire Warning equipment
The Household Fire Warning Equipment Standard requires 24 hours of standby current plus 4
minutes of alarm operation at the end of the 24-hour period. Use battery Ah calculations to
confirm compliance. The formula shown below includes the calculation for 4 minutes of alarm
operation at the end of the 24-hour period, and a 15% contingency factor that allows for
depletion of battery capacity with age.
Total B
1
Hours Total C
1
Alarm Operation
2
Contingency Total Ah
3
( ________ x 24 ) + ( ________ x 0.083) + 15% = _________
1
Refer to previous table.
2
Value = Minutes of alarm operation/60
3
Total Ah requirements must not exceed the Ah capacity of batteries:
– One D126 Battery = 7 Ah