104 NFS2-3030 Programming Manual — P/N 52545:K1 03/20/2012
Releasing Applications Abort Switches
B.3.5 Cross Zones
Purpose of Cross Zones
Programming the Cross Zone releasing function can set the control panel to activate a releasing
zone and any output mapped to that releasing zone only after a predetermined sequence of events
occurs.
A summary of the types of Cross Zones and the conditions for activating a releas
ing zone:
How Cross Zones Work
Below is an illustrated example of how Cross Zones work, using five Cross Zone selections (four
detectors and an SLC output module mapped to Releasing Zone ZR01):
Figure B.8 Illustrated Example of Cross Zone Programming
NOTE: The FACP considers only the Primary Zone (the first zone in a point’s zone map) to
determine whether conditions have been met for Cross Zone type Zone.
CAUTION: MAPPING OF ANY INPUTS THAT ARE NOT ASSOCIATED WITH A PRIMARY
ZONE COULD CAUSE IMPROPER OPERATION OF CROSS ZONE TYPE ZONE.
Type Activates when
No A Cross Zone has not been selected. An alarm from any initiating device mapped to the releasing zon
e
activates it.
Yes Two or more initiating devices are in alarm that are map
ped to the same releasing zone.
Zone Two or more initiating devices are in alarm that are mapped to two di
fferent Primary Zones and that are also
mapped to the same releasing zone. Note that the FACP considers only Primary Zones to determine
whether releasing zone activation should occur.
Heat At least one smoke detector mapped to a releasing zone
is in alarm
and at least one heat detector mapped
to the same releasing zone is in alarm.
Releasing
Zone ZR01
General
Zone
Z002
General
Zone
Z001
Smoke
Detector
L02D102
Heat
Detector
L02D104
Smoke
Detector
L02D103
Smoke
Detector
L02D101
REL
L02M107
Zone map = Z002 , ZR01
Zone map = Z001 , ZR01
Zone Map = ZR01
indicates a
Primary Zone
Zone map = Z001 , ZR01
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