GE 429CT Installation Instructions And Use

Contents

1ESL 429/449DescriptionThe ESL 429/449 Series low-profile, self-diagnostic, two-wire andfour-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. This design hassuperior protection against false alarms caused by dust, insects,RF, and ambient light.These smoke detectors are especially suited for residentialoccupancies, including hotels, motels, and dormitories, as well asother commercial and industrial fire-system applications. Thisseries is designed for two-wire and four-wire connection to 6-24VDC fire alarm control panels, UL Listed for commercial orhousehold fire protection.FeaturesSelf-diagnostics including automatic sensitivity testing. Eachdetector in the series continually monitors its own sensitivity andoperational status (see Maintenance).A wide range of optional features are offered as shown in theProduct Selection Guide. To provide for almost any application,these options include a built-in sounder, an auxiliary relay, anintegral heat detector, and an isolated heat detector.ESL 429/449 SeriesSelf-Diagnostic PhotoelectricSmoke DetectorsInstallation InstructionsSelecting a LocationSelecting a suitable location is critical to the operation of smokealarms. This equipment should be installed in accordance with theNational Fire Protection Association’s (NFPA) Standard 72. SeeFigure 1.A-11-8.3.a Where to Locate the Required Smoke Alarms inExisting Construction.The major threat from fire in a family living unit occurs at nightwhen everyone is asleep. The principal threat to persons insleeping areas comes from fires in the remainder of the unit.Therefore, a smoke alarm(s) is best located between the bedroomareas and the rest of the unit. In units with only one bedroom areaon one floor, the smoke alarm(s) should be located as shown inFigure 1 A.In family living units with more than one bedroom area or withmore than one floor, more than one smoke alarm is required, asshown in Figure 1 B.In addition to smoke alarms outside of the sleeping areas, theinstallation of a smoke alarm on each additional story of the familyliving unit, including the basement, is required. These installationsare shown in Figure 1 C. The living area smoke alarm should beinstalled in the living room or near the stairway to the upper level,or in both locations. The basement smoke alarm should be installedin close proximity to the stairway leading to the floor above. Whereinstalled on an open-joisted ceiling, the alarm should be placed onthe bottom of the joists. The alarm should be positioned relative tothe stairway to intercept smoke coming from a fire in the basementbefore the smoke enters the stairway.Where to Locate the Required Smoke Alarms in New Construc-tion.All of the smoke alarms specified for existing construction arerequired and, in addition, a smoke alarm is required in eachbedroom.California State Fire Marshal ApprovedMEA (New York City) Approved FMAPPROVEDDiningRoomBasementBedroom BedroomLivingRoom= Required smoke alarms= Additional smoke alarms required for new constructionFigure 1 . Detector LocationC.DiningRoomKitchen BedroomBedroomBedroomLiving RoomA.TV Room DiningRoom Kitchen BedroomBedroomBedroomLiving RoomB.g