How to Program a Releasing Zone Appendix A: Releasing Applications
NFS-640 Programming Manual P/N 51333:B 10/03/2003 63
Figure 11 Illustrated Example of Cross Zone Programming
A listing of each Cross Zone option and the conditions required to activate the Releasing Zone,
according to the example shown above.
Select a time for the Releasing Zone Delay Timer (refer to“How to Program a Delay Timer” on page 54.)
Press at this point to save the Cross Zone value if no other fields on the screen are changing. To
change another field on the screen, move the cursor into position by pressing the arrow keys on the
keypad.
Cross Zone
Selection (Cross=)
Condition(s) Required to Activate the Releasing zone
Cross=N An alarm from any detector activates the releasing circuit.
Cross=Y An alarm from any two detectors activates the releasing circuit.
Cross=Z An alarm from two detectors mapped to different Software Zones,
but mapped to the same Releasing Zone.
• An alarm from 2D101 and 2D103
• An alarm from 2D102 and 2D104
• An alarm from 2D101 and 2D104
• An alarm from 2D102 and 2D103
The two detectors listed in each set above are each mapped to
different zones, but both list ZR1 in their CBE.
Cross=H Activation of heat detector 2D104 and one smoke detector (2D101,
21D102, or 2D103).
To P rog r a m Do t his
Cross Zones Type N, Y, Z, or H in the
CROSS= field, or press the NEXT or PREVIOUS
keys, or , until N, Y, Z or H appears in the that field.
Releasing
Zone ZR1
Software
Zone Z02
Software
Zone Z01
Smoke
Detector
2D102
Heat
Detector
2D104
Smoke
Detector
2D103
Smoke
Detector
2D101
REL
B03
CBE list = Z02 ZR1
CBE list = Z01 ZR1
CBE list = Z01 ZR1
Xzone1.cdr
CBE list = ZR1
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