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DETECTION CIRCUITS MANUAL RELEASE AND ABORT CIRCUITS <br /> The Detection Circuits support Conventional 700 Series, Both the Manual Release and Abort Circuits accept <br /> CPD-705x Ionization Smoke, PSD-715x Photoelectric Normally Open contact closure type devices. Activation <br /> Smoke and THD-705x Heat Detectors as well as of the Agent Release Circuits can either be <br /> Normally Open contact closure type devices. Two circuits instantaneous or delayed up to 30 seconds (maximum) <br /> are dedicated to the main suppression function and can upon receipt of Manual Release input. Agent release can <br /> be programmed to activate the release circuits by either be temporarily delayed by activating the Abort Circuit. <br /> single-shot or cross-zone input. The user configuration The Abort input can be programmed for 6 modes of <br /> allows automatic release via detection to be delayed from operation. These include the UL 10-second mode, the <br /> 0 to 60 seconds in 10-second intervals and also allows a full-delay mode, the IRI mode, two NYC modes, or the <br /> choice of which of the two Agent Release Circuits to abort can be disabled. Aborts can also be programmed to <br /> activate. be applicable for either one (ARC 1) or both Agent <br /> The third Detection Circuit is programmable for either Release Circuits thereby allowing use with Deluge/Pre- <br /> Waterflow or as an independent Detection circuit. When Action systems. <br /> programmed for Waterflow, Notification Appliance NOTIFICATION APPLIANCE CIRCUITS (NAC) <br /> Circuits can be programmed as Non-Silenceable as The three Notification Appliance Circuits are rated 1.5 <br /> required by certain jurisdictions. Additionally, the Amps each and accept polarized 24 VDC Notification <br /> Supervisory 1 circuit can be configured to be the fourth Appliances. Each circuit is driven independently and is <br /> detection circuit. user configurable for First Alarm, Pre-Release, and <br /> SUPERVISORY CIRCUITS Releasing as well as for 60 BPM, 120 BPM, Temporal, or <br /> The Supervisory Circuits accept Normally Open contact Continuous pattern. <br /> closure type devices such as pressure switches on the The control unit supports appliances that provide the <br /> agent cylinders or on the water or air pipe network. The option to use silenceable horns and non-silenceable <br /> system configuration enables the supervisory input to be strobes on the same NAC. Multiple NAC circuits <br /> a participant in the suppression function. For example, (connected to audible devices only) programmed with the <br /> low air supervisory can be included with detection for same master code pattern are synchronized, regardless <br /> release of pre-action systems as required by certain of any differing starting times that preceded their <br /> jurisdictions. concurrent operation. The NACs configuration includes a <br /> user-selectable intelligent synchronization feature which <br /> allows a silenceable horn to be shut off while the strobe <br /> continues to flash in synchronized fashion. <br /> SUPERVISORY I/ MANUAL WATERFLOW/ <br /> SUPERVISORY2 DETECTOR4 ABORT RELEASE DETECTOR3 DETECTOR2 <br /> ® <br /> RS-232 <br /> ®® ®®® ; �® ®® ®® ®® E <br /> TB7 TB6 / O TB5 TB4 TB3 TB2 <br /> TROUBLE TB8 <br /> RELAY 3 TBS <br /> TBI ® DETECTOR 1 <br /> ^� <br /> RELAY2 n�TB10 DeLox O0—IELIIE OKidde <br /> eivicEo <br /> pxEL�E�� Fire Systems <br /> RELAY 1 Q Eos.++¢u•ese Y <br /> nJTB11 Onus+ 0nus2reL <br /> QwruumussQn.—I QAxc2 reL ous SEs <br /> n 0wwuM1-0-2— 0:nE­ <br /> pxnx.0 <br /> EL p,2ex.EL psx� <br /> BATT OUT { ® TB12 0-- OneoeTea L0xec2 aL o_Te.— NONE <br /> s ■■.■ <br /> O:uE p=vE exc pE= <br /> Ou Os' Oxe Qe <br /> AC SUPPLY SELECT SWITCH(S6) <br /> c® TB19 <br /> E[ NAC 1 <br /> ACIN _ ® :44o/TB14 TB15 TB16 TB17 TB18 ® r NAC 2 <br /> 120 ®® ®® ®® ®® <br /> ®TB13 : ® <br /> RELEASE 1 RELEASE 2 AUX NAC 3 <br /> ARC 1 ARC 2 24 VDC <br /> Figure 1. Printed Circuit Board (PCB) <br /> - 2 - <br />