93-530-70 Issue 0 Page 25 of 44 © Protec Fire Detection PLC 2007
14.6 Programming Non-Latching Zones
With the 3300 it is possible to program one, or more of the detector zones to operate as non-latching.
In this mode the zone activates as normal, but when the cause of the activation is removed the 3300
will reset.
The Global Fire contacts and fire link (if fitted) do not operate on a non-latching zone activation.
This feature is of use when connecting fire alarm systems together, and ensures a latch up situation
cannot occur where each panel triggers the other due to latched zone activations.
The procedure for programming a zone as non-latching 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 ‘Fire link Operated’ indicator by repeatedly pressing button 2. Any zones currently
programmed as non-latching will be displayed on row 1 of the display. Accept the option by
pressing button 3.
3. The ‘Fire Link Operated’ indicator will flash to indicate this option has been accepted.
4. Scroll to the detector zone to be programmed as non-latching by pressing button 2.
5. Press button 1 to set / un-set that zone as non-latching (the relevant row 1 indicator will be
illuminated when the zone is non-latching).
6. Press button 3 to return to the selection menu.
7. Press button 4 to accept and program the non-latching set-up and return to access level 2.
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