Alarms
General Operation of RLDS - UI • 43
The
Alarm Detail screen
displays more
comprehensive information about the nature of the
alarm including:
• Complete location information
• Gas type and current concentration (CONC
NOW)
• Peak concentration and peak time
• Type of alarm, alarm time, and date
This screen provides the following navigation options
at the bottom of the display:
•
ACK
- using the left arrow key, ACK will
acknowledge the alarm as described in the next
section.
•
SETUP
- using the right arrow key, navigate to
the
Zone Setup screen 1
(
). This
enables review of the zone setup parameters
and accesses the
Trend screen
.
Use the
ESC
button on the RLDS unit to go back to
the previous menu.
7.6.4. Acknowledging Alarms
Each pending alarm may require, depending upon
selected alarm mode, acknowledgment before the
system returns to normal operation
Alarm Acknowledge (Ack) - Mode
. To acknowledge
an alarm, navigate to the
Alarm Detail screen
and
select the
ACK
option as previously described. You
will then be returned to the
Alarm Summary screen
and the box associated with that alarm will no longer
be blinking, indicating that the alarm has been
acknowledged. Repeat this procedure to acknowledge
any remaining alarms.
Once all the alarms associated with a given RLDS are
acknowledged, its red LED will turn off, and any
external alarms connected to the RLDS relays will
deactivate.
Keep in mind that the system will continue to generate
new alarms if PPM values above the alarm thresholds
are detected.
7.6.5. Silencing an Alarm
When alarms are active, the
ESC
key functions as a
silence key. During an active alarm and with the main
screen displayed, press the
ESC
key. This will
generate a prompt to “PRESS ENTER TO
CONFIRM SILENCE”. When
ENTER
is pressed,
the LEAK relay will open and the internal audible
alarm (if enabled) will turn off. In this way, when the
LEAK relay is used to operate strobes and horns, they
can be quickly silenced without effecting the SPILL
or EVAC, which may be controlling fans or
ventilation equipment. This “silence” mode will be
indicated by a reverse flashing “S” in the alarm
window. “Silence mode” will be automatically
canceled if the alarm condition of any zone changes
by clearing or elevating to a higher level.
Figure 7-5
- Alarm Summary Screen - Acknowledge Mode
Содержание GW-810-3760
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