Bosch B9512G Installation Manual page 37

Control panels
10 D1255RB operating instructions
This keypad is a system controller and annunciator. The
illuminated keypad has a 16-character vacuum fl uorescent
display (VFD) and a sounder that emits distinct condition
tones to alert you to fi re alarm, fi re trouble, or fi re supervisory
events as they occur. In conjunction with the VFD and the
sounder, four status LEDs provide the following system status
indications: Fire, Silenced, Supervisory, and Trouble.
Required: Mount this document in view of the fi re
keypad.
Overview
Status indicators
The Status indicators provide a quick visual reference of the system status.
Fire: Lights when a fi re alarm condition exists; turns off when all fi re alarm points return to normal.
Silenced: Lights after a fi re alarm is silenced; turns off when a PIN and ESC is entered. This clears the alarm
or trouble memory from the keypad display, when all points are in a normal state.
Supervisory: Lights when any point programmed as supervisory is not normal; turns off when all supervisory
points return to normal.
Trouble: Lights when any system trouble or point trouble exists; turns off when the system and all points
return to normal.
Alphanumeric display
Built-in sounder
The built-in sounder emits the
following warning tones:
Fire signal: pulsed, high-pitched
bell tone during fi re alarm.
Trouble signal: two-tone warble
during a trouble event.
Invalid key buzz: buzz tone when
invalid key is pressed.
Keypad encoding tone: muted
beep tone as each key is
pressed.
Navigation keys
Use ESC/Menu to enter the command menu, to complete a command entry, or to return to idle text.
Use PREV to return to the previously viewed menu item.
Use NEXT/Acknowledge to acknowledge an alarm or off -normal condition, or to move to the next menu item.
Use ENT/Yes to complete a PIN entry, or to select a menu item.
Operation
Normal operation
When the system is operating normally and is disarmed, the display shows the programmed idle text. The default system
normal message is * FIRE SYSTEM *.
Fire Alarm operation
When an alarm occurs, the Fire LED activates, and the keypad emits a pulsing high-pitched fi re tone. The tone sounds for a
pre-programmed length of time. A display message appears that describes the fi rst point that entered an alarm. Press the
NEXT key to acknowledge the alarm. To view and acknowledge additional points that are in alarm, press NEXT repeatedly.
The display shows Ax ## FIRE ALARM (x = the area number; ## = the number of fi re alarms in Area x).
Fire Trouble operation
When a trouble condition occurs (such as wiring for a point is cut, AC power fails, and so on), the keypad sounder activates
briefl y approximately every six seconds. The Trouble LED illuminates and Ax ## FIRE TRBL or the highest priority system
trouble appears in the display. Press the NEXT key to acknowledge the trouble. To view and acknowledge additional system
or point troubles, press NEXT repeatedly.
Fire Supervisory operation
Fire Supervisory Operation. When a supervisory condition occurs, the sounder activates briefl y approximately every six
seconds. The Supervisory LED illuminates and Ax ## FIRE SUPV appears in the display. Press the NEXT key to acknowledge
the supervisory condition. To view and acknowledge point supervisory conditions, press NEXT repeatedly.
Silence and reset
Alarm silence. Enter PIN (if required) and press ENT.
Trouble silence. Press the COMMAND bar and select 4.
Detector reset. Press the COMMAND bar and select 4 + 7.
Annunciating reset. Enter PIN (if required) and press ESC. This clears alarm or trouble memory from the keypad display,
when all points are in a normal state.
Bosch Security Systems B.V.
Local Service Representative
Name
Address
Phone
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7
0
COMMAND
UL Installation manual
D1255RB operating instructions | en
Number keys
Use one or two in combination
with the COMMAND bar to
perform a function, or use to enter
a PIN before pressing the ENT key.
COMMAND bar
Use in combination with one or
two numeric keys to perform a
function.
2019-12 | 06 | F.01U.304.001
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