93-530-70 Issue 0 Page 24 of 44 © Protec Fire Detection PLC 2007
14.5 Programming Coincidence Zones
With the 3300 it is possible to program two, or more zones as coincidence zones. This mode is useful
on sites where the consequence of a false alarm is onerous (for example if the panel is connected to
an extinguishing system).
If only one coincidence zone activates the panel will flash the relevant zone indicator, fast
intermittently sound the internal sounder and wait for one of the following to occur.
• A second coincidence zone to activate.
• An in built 2 minute time out on the first coincidence zone to expire.
• A manual call point activation on any non-disabled zone to occur.
The 3300 will then activate its alarm outputs, global fire contacts and fire link interface (if fitted).
If the cause of the first activation is found to be legitimate the ‘Sound Alarms’ button can be pressed at
access level 2 or 3 to activate the alarm outputs. If the cause is found to be a false alarm the ‘Silence
Alarms’ then ‘Reset Panel’ buttons can be pressed.
The procedure for programming a zone into a coincidence group is given below.
1. From access level 1 enter the 5 digit engineer code 1 3 4 2 4. The ‘Supply Present’ indicator
will flash indicating level 3 has been accessed and all programming features are available.
2. Scroll to the ‘Level 2 Accessed’ indicator by repeatedly pressing button 2. Any zones currently
programmed as coincidence will be displayed on row 1 of the display. Accept the option by
pressing button 3.
3. The ‘Level 2 Accessed’ indicator will flash to indicate this option has been accepted.
4. Scroll to the detector zone to be set as coincidence by pressing button 2.
5. Press button 1 to set / un-set that zone as a coincidence zone (the relevant row 1 indicator will be
illuminated when the zone is set as coincidence).
6. Program any other zones required into coincidence (by following steps 5 and 6).
7. Press button 3 to return to the selection menu.
8. Press button 4 to accept and program the coincidence set-up and return to access level 2.
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