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Bosch Building Technologies

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    How to use the G Series Battery supervision and Discharge - Recharge Schedule.

    Discharge Cycle

    AC Off

    AC Fail Report when AC fails, if the control panel is programmed to report AC failure at occurrence.

    13.9 VDC

    Charging float level.

    13.8 VDC

    Charging status LED on.

    12.0 VDC

    Low Battery and AC Fail Reports if programmed. Low battery LED on.

    10.0 VDC

    Battery load shed (processing functions continue if AC is present).

    Recharge Cycle

    AC On

    Load shed relay reset; battery charging begins; Battery Trouble and AC Restoral Reports are sent.

    13.7 VDC

    Battery Restoral Reports are sent. Low battery LED off.

    13.9 VDC

    Changing status LED off; battery float charged.

     

                                                         Charging Status and Low Battery LEDs

    Type

    LED

    Action

    Color

    State

    Charging Status LED

    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, but the red Low Battery LED is flashing.

     

    Yellow

    On

    Battery float charge is below 13.8 VDC. If AC is present, the battery is charging. Indicates the combined current draw from all outputs exceeds 1.4 A. This is normal under alarm conditions for non-fire systems with sirens or bells drawing more than 1.4 A. If the LED lights regularly for extended periods or does not go out, check the current draw for devices connected to the power outputs.

     

    Yellow

    Flash once per minute

    System is checking the battery.

    Low Battery LED

    Red

     

    Shows the condition of the battery.

     

    Red

    Off

    Battery is fully charged.

     

    Red

    On

    Battery voltage dropped to between 12.0 VDC and 11.8 VDC.  LED turns off when voltage reaches 13.7 VDC.

     

    Red

    Flash

    Battery is missing or shorted.

     

    Version history
    Revision #:
    5 of 5
    Last update:
    ‎09-11-2018 10:47 PM
    Updated by:
     
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