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<br />A Product of Sentrol, Inc. <br /> <br />Part number 12040 Rev. A <br /> <br /> <br /> <br />INSTAllATION <br />INSTRUCTIONS <br /> <br />;L 429/449 SERIES <br />Self-Diagnostic Photoelectric <br />Smoke Detectors <br /> <br />~ California State Fire Marshal Approved ~ <br />LISTED MEA (New York City) Approved _. <br /> <br />GENERAL DESCRIPTION <br />The ESL 429/449 Series low-profile, self-diagnostic, two- and four- <br />wire smoke detectors work on the light scattering principle, A pulsed <br />infrared light-emitting diode serves as the light source, and a high- <br />speed photo-diode as the sensing element. This design has superior <br />protection against false alarms caused by dust, insects, RF and <br />ambient-light. <br /> <br />Plug-in terminal block <br />Diagram 1 <br /> <br /> <br />/ <br /> <br />The 429/449 Series smoke detectors are especially suited for <br />residential occupancies, including hotels, motels and dormitories, as <br />well as other commercial and industrial fire-system applications, The <br />429 and 449 Series are designed 'for 2-wire and 4-wire connection, <br />respectively, to 6-24 V DC fire alarm control panels, UL Listed for <br />commercial or household fire protection, <br /> <br />429 Series Wiring Diagram <br />Diagram 2 <br /> <br />models 429AT, 429C, 429CT, <br />429CST, 429CSST <br />power <br />~ <br />- - + + <br /> <br /> <br />last <br />detector <br /> <br />Two-Wire Compatibility <br />The ESL 429 Series two-wire, smoke detectors <br />offer the widest range of two-wire compatibility <br />in the industry, Refer to ESL's Compatibility <br />Index for compatible control panel listings. <br /> <br />first <br />detector <br /> <br />COMPATIBLE <br />LISTED <br />CONTROL UNIT' <br /> <br />fire { <br />alarm + <br />iniliating <br />circuit - <br /> <br />~ <br /> <br />END OF LINE <br />DEVICE <br /> <br />449 Series Wiring Diagram <br />Diagram 3 <br /> <br />first <br />detector <br /> <br /> <br />model 449CSRH <br /> <br />LISTED <br />CONTROL <br />UNIT <br /> <br />fire { <br />alarm <br />initiating ..- <br />circuit <br /> <br />I I <br /> <br /> <br />DC {+ <br />power <br />circuit - <br />