Velocity Operation Manual
www.velocitydetection.com
44
Alarm Verification
The panel is equipped with an Alarm verification feature that is used to reduce unwanted false alarms. If alarm verification is selected,
an addressable smoke detector's alarm is ignored for a Retard time of up to 30 seconds and the detector’s alarm condition is
automatically reset. There will be no alarm indication at the Velocity MMP panel during the Retard period, only an indication that an
alarm is being verified. A confirmation period that is configurable of a time between 1-60 seconds follows, during which a subsequent
alarm from the same detector will cause the panel to immediately activate the appropriate outputs and indicate the alarm condition at
the panel. If a different detector alarms any time during the first detector's verification period, the panel will immediately activate all
appropriate outputs and indicate the alarm condition. If no additional detector alarms occur within 90 seconds of the first alarm (30
second Retard plus 60 second Confirmation), the timer resets and the panel is ready to verify any new detector alarms which may
occur.
Alarm verification on the Velocity MMP panel is accomplished on a system wide basis.
Local indication of verification.
If a local indication of the verification is required, a base sounder (VDOT-SB) can be used. The sounder base should be configured to be
the next address after the detector.
EG. The smoke detector at address 83 sees smoke and starts the verification. If there is a sounder base at address 84, it will operate
during the verification
Alarm verification timing diagram
Alarm Verification Setup
Alarm verification can be set up as follows:
Go to the engineer menu, and select the Delays Icon
NOTE:
Alarm Verification is available only for addressable smoke detectors. Cannot be used with addressable heat
detectors, or any conventional detectors.
