579-354 Rev. X
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to change without notice. Additional listings may be applicable, contact your local Simplex® product supplier for the latest status. Listings and
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is strictly prohibited. NFPA 72 and National Fire Alarm Code are registered trademarks of the National Fire Protection Association (NFPA).
1. SPM1 and SPM2 are combination Manual Release/Abort zones in Agent Release Dual Hazard applications only. A short is a Manual
Release and a current limit is an Abort condition.
2. A Manual Release starts the Manual Releasing Timer, and operates the NAC cadence pattern associated with the start of the Release
Timer in the I/O matrix for the application selected.
3. A Manual Release overrides an Abort. In an abort condition, the NACs operates in accordance with the active Stage 1, 2, and 3
operation in the I/O matrix for application selected and the specific Abort operation selected.
4. Optional operation is selectable for 20bpm or Temporal Code. When Temporal Code is selected for the Alarm NAC operation, the
Supervisory NAC signal is 20BPM. When 20bpm is selected for the Alarm NAC operation, the Supervisory NAC signal is temporal.
5. Where Temporal Code pattern is only allowed for evacuation signaling and the Audible NAC operation for 1st Alarm is changed from
the default of Temporal Code to 20bpm, NAC 2 should not be used for Supervisory signaling.
6. In Preaction/Deluge applications 5-8 configured for Class A/B (i.e. non-Style C), a short on any IDC is an immediate manual release.
7. In Preaction/Deluge applications configured for Style C operation, SPM2 activates a manual release of both hazards.
8. For application modes 9, 12, and 13, RAC2 is not used as a releasing circuit. Instead it becomes a third NAC.
9. Pre-discharge is any of the following: Cross-Zoned Alarm, Manual Alarm, or Pressure Switch Alarm. Note that this is not 1st smoke
detector alarm and not waterflow alarm.
10. Discharge tracks the operation of RAC1 and RAC2 and does not engage on waterflow, or pressure switch activation.
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