Transcription of ESL 429/449 & 428/448 SERIES Self-Diagnostic Photoelectric ...
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ESL 429/449 & 428/448 SERIES Self-Diagnostic Photoelectric ...
Two-Wire CompatibilityThe ESL 429 SERIES two-wire, smoke detectorsoffer the widest range of two-wire compatibilityin the industry. Refer to ESL s CompatibilityIndex for compatible control panel listings.+ firealarminitiatingcircuitmodels 429AT, 429C, 429CT,429 CST, 429 CSST model 429 CRTEND OF LINEDEVICECOMPATIBLELISTEDCONTROL UNIT*firstdetectorlastdetectorpower++--a uxiliarycontactspower++--not used429 & 428 SERIES Wiring DiagramDiagram 2 GENERAL DESCRIPTIONThe ESL 429/449 and 428/448 SERIES low-profile, Self-Diagnostic , two-and four-wire smoke detectors work on the light scattering principle. Apulsed infrared light-emitting diode serves as the light source, and ahigh-speed photo-diode as the sensing element.
Self-Diagnostic Photoelectric Smoke Detectors Installation Instructions Part Number 14153 California State Fire Marshal Approved MEA (New York City) Approved UL LISTED 429/449 U N D E R W R I T E R S LA B O RT I OF C A A D L IS TEDBY 428/448 + – DC power circuit fire alarm initiating circuit models 449 & 448 AT, C, CT, CST, CSST alarm contact ...
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