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D8024/D10024A
Troubleshooting
Per NFPA 72 1999, paragraph 3-8.3.2.3.3.
Reference 'double knock' and 'cross zoning' NAC / NAC options.
Systems that require the operation of two automatic detection devices to initiate the alarm
response shall be permitted, provided:
a) They are not prohibited by the authority having jurisdiction
b) There are at least two automatic detection devices in each protected space.
c) The Alarm Verification Function is not used.
No other Smoke Detectors shall be shall be connected, via Initiating Device Circuits (IDC), unless
approved by the Local Authority Having Jurisdiction.
11.4.1
Commissioning Verification Mode
•
Press 3 to select Verification mode from the 'Day Modes Menu.
The display will prompt
whether the mode is to be
used.
•
Press No to inhibit the mode and return to the 'Day Mode' menu.
•
Press Yes to enable the mode.
The display will then prompt
the start and end times for the
day period.
•
Press Yes to accept and step on.
•
Press No to change and then
enter the required start time
using the number buttons.
•
Press Yes to accept and step on.
•
Press No to change and then enter the required end time using the number buttons.
The display then prompts how
long to delay the alarm.
•
Enter the desired delay (see above guidelines for maximum times).
When the event log is set to "Normal" the panel will record the high, analog output signal from the
detector that initiated the verification timer. If the detector is still in alarm at the end of the
verification delay, a fire alarm will be recorded in the log. With the event log in "Diagnostic" the
panel will record all analog signals received from the detector until the smoke level drops back to
normal.
50616B
D8024/D10024A Operation and Installation Guide
Page 44
© 2002 Radionics
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