Installation guide

EN | 33
D9124 | Operation & Installation Guide |
Bosch Security Systems | 11/03 | 39352E
7. Power Supplies
Table 13: Battery Discharge and Recharge Cycles
Discharge Cycle Recharge Cycle
Float Voltage (VDC) Indication Float Voltage (VDC) Indication
13.9
•
Battery is fully charged.
•
Charging Status LED is off.
AC is on.
•
Load Shed relay resets.
•
Battery charging begins.
•
Battery Trouble and AC Restoral
Reports sent.
13.8
•
Charging Status LED is on. 13.7
•
Battery Restoral Report sent.
•
Low Battery LED is off.
12.1
•
Battery Trouble and AC Fail
Reports, if programmed.
•
Low Battery LED is on.
13.9
•
Charging Status LED is off.
•
Battery is fully charged.
10.2
•
Battery Load Shed
(processing continues if AC
present.)
Table 14: Charging Status and Low Battery LEDs
Type LED Color LED State Indicates
Yellow Shows the charging status of the battery.
Yellow Off Battery is fully charged.
If the battery is missing, shorted, or reversed, the Charging Status LED is
off. The red Low Battery LED is flashing.
Charging
Status
LED
Yellow On Battery float charge is below 13.8 VDC. If AC is present, the battery is
charging.
Combined current draw from all outputs exceeds 1.4 A (normal under
alarm conditions for non-fire systems when sirens of bells draw more than
1.4 A).
If the LED illuminates regularly for extended periods or does not go out,
check the current draw for devices connected to the power outputs. See
Section 8.0 Power Outputs
for instructions.
Red Shows the battery condition.
Red Off Battery is fully charged.
Red On Battery voltage is below 12.1 VDC. LED goes off when voltage reaches
13.7 VDC.
Low
Battery
LED
Red Flashes (same rate
as Green LED)
Battery is missing or shorted. (Green LED is the Operation Monitor LED.)