56 NFS2-640 Operations P/N 52743:L4 06/10/19
Appendix A: Special Zone Operation
A.1 Overview
This section contains information for operating the control panel as detailed in the topics listed
below:
A.2 Releasing Zones (R0-R9)
A.2.1 Purpose of Releasing Zones
The control panel provides ten Releasing Zones (R0-R9). These are special zones that you can use
for up to ten independent releasing operations. This section contains descriptions of each Releasing
Function option and an example of how Releasing Zone options work.
For instructions on programming Releasing Functions, refer to the NFS2-640 Programming Man-
ual.
Each Releasing Zone includes the following releasing options:
Section Special Zone Refer to Page
A.2, "Releasing Zones (R0-R9)" R0-R9 page 56
A.3, "Time, Date, and Holiday Functions" F5, F6, F7 page 59
A.4, "NAC Coding" F8 page 61
A.5, "Presignal and Positive Alarm
Sequence (PAS) Operation"
F0 page 62
WARNING: WHEN USED FOR CO
2
RELEASING APPLICATIONS, OBSERVE PROPER
PRECAUTIONS AS STATED IN NFPA 12. DO NOT ENTER THE PROTECTED SPACE UNLESS
PHYSICAL LOCKOUT AND OTHER SAFETY PROCEDURES ARE FULLY COMPLETED.
DO NOT USE SOFTWARE DISABLE FUNCTIONS IN THE PANEL AS LOCKOUT.
Option Description
Cross Zone Cross Zones let you program the control panel to activate a Releasing
Zone when two or more detectors or modules are alarmed. Cross Zone
selections are:
Y Two or more detectors are alarmed that are mapped to one of the ten
Releasing Zones (R0-R9)
Z Two or more detectors are alarmed that are mapped to two different
Software Zones and mapped to one of the ten Releasing Zones (R0-R9).
H At least one smoke detector mapped to one of the ten Releasing Zones
(R0-R9) is alarmed and at least one heat detector mapped to the same
Releasing Zone as the smoke detector is alarmed.
N Cross Zones not used
Delay Timer Select a 0–60 second delay before activating a zone.
Abort An Abort Switch Type Code used to abort activation of a zone.
Manual Release Allows immediate zone activation by overriding the abort function,
cross-zone function, and delay timer.
Soak Timer Automatically shuts off the releasing device after a preprogrammed period
of time. Select 0001-9999 seconds for a Soak Timer or 0000 seconds for
no Soak Timer.
Table A.1 Releasing Options
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