Section 2 - 2
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Fire and Fault Events - What to do
Operating Manual
2.1.3 Day Mode Operation
If a Day Mode program has been configured and is currently active
(the DAY MODE LED is lit), the sensitivity of sensors will be changed
automatically as configured when the panel was commissioned.
In most cases the sensitivity of sensors is reduced to avoid the
incidence of false alarms when the building is occupied. In the event
a real fire condition is detected the panel responds in the normal
way but after a short alarm condition verification period. At the end
of this verification period activation of the required outputs, such as
ringing the alarm bells and calling the fire brigade, occurs.
Note:
The authorised person (key holder) needs to have been made
aware that the panel has been configured that such a delay is
imposed before a full fire condition is indicated by the panel.
2.1.4 Delays - What do I Need to do?
If the panel has been configured to delay the operation of sounders,
etc. the detection of a fire may indicate a zone fire condition but
without the FIRE LED being lit. This indicates that a fire condition
has been detected, but the panel is waiting for another device to
enter the fire condition before a fire is fully recognised. The condition
of having more than one fire indication before activating outputs is
known as coincidence.
It is also possible that the panel has been configured to delay the
activation of any outputs when a fire has been detected. In this
case, a detected fire alarm condition starts the first of two configured
timers allowing the authorised person (key holder) a reasonable
period in which to react to permit the delay to be extended, thereby
allowing a proper search to be conducted. This is achieved using the
EXTEND DELAY key (only available at user access Level 2). The
second timer period, normally set to be longer than the first period,
starts its countdown; the first timer has now been overriden by the
second timer. Press the END DELAY key (can be available at user
access Level 1) to end any delays and enable the full fire condition
to be entered.
EXTEND DELAY key
END DELAY key
KEYSWITCH
(to enable user Access Level 2)
DAY MODE LED
