ZETTLER LOOP 500 - Emergency Alarm Key Function; Activating Emergency Alarm

LOOP 500
9
4. Emergency alarm key - activating an emergency alarm
The EMERGENCY ALARM key is only active in the case of an alarm from the 2nd operator control level.
After pressing the EMERGENCY ALARM key, the following outputs are activated:
− Fire main output
− Sounder main output
− Outputs to Control lines 1 and 2 and to Control lines 3 and 4 (if the expansion board is fitted)
− Outputs of the Alarm board
Indications
− 5 red FIRE LEDs flash
− internal audible signal sounds intermittently
− activation of the Fire main output is indicated by red ACTIVATION LED in the PRIMARY ALARM field
− yellow FIRE BRIGADE COMING LED or red CALL FIRE BRIGADE LED will illuminate in the PRIMARY
ALARM field
− red ACTIVATION LED in the EXT.AUD.ALARM field will illuminate
the following message will appear on the display:
E m e r g e n c y a l a r m L 2 *
An Emergency Alarm can also be activated in the case of a failure of the central computer by the loop
computer if one of the detectors is activated.
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