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DF-52384:D•E-160 SD355(A) Series � FII''�•LITemALarl'Y1S Addressable Photoelectric Smoke Detectors b�/ �""�OI'le�/We�� . General The SD355(A), SD355T(A), and SD355R(A) addressable, low-profile plug-in photoelectric detectors use a state-of-the- art photoelectric sensing chamber with communications to provide open area protection and are used exclusively with Fire•Lite's Addressable Fire Alarm Control Panels (FACPs). The SD355T(A)adds thermal sensors that will alarm at a fixed ( � a temperature of 135°F (57°C). Since these detectors are �" z addressable, they will help emergency personnel quickly � locate a fire during its early stages, potentially saving precious � � / m' rescue time while also reducing property damage. Two LEDs on each sensor light to provide a local, visible sensor indica- "� tion. Remote LED annunciator capability is available as an " optional accessory, PN RA100Z(A). The SD355R(A) is a SD355(A) in B210LP(A) Base remote test capable detector for use with D355PL(A) or DNR(A)/DNRW duct smoke detector housings. Features OPTIONS • Remote LED output connection, PN RA100Z(A). SLC LOOP • Two-wire loop connection. App�ICat1011S • Unit uses base for wiring. Use photoelectric detectors in life-safety applications to pro- ADDRESSING vide a broad range of fire-sensing capability, especially where smoldering fires are anticipated. lonization detectors are often • Addressable by device. better than photoelectric detectors at sensing fast, flaming • Rotary, decimal addressing: 01 –99 with MS-9200UD(LS), fires. and 01 –159 with MS-9600UD(LS). ARCHITECTURE Construction • Unique single-source, dual-chamber design to respond These detectors are constructed of off-white fire resistant plas- quickly and dependably to a broad range of fires. tic. SD355(A) series plug-in, low-profile smoke detectors are Sleek, low-profile design. designed to commercial standards and offer an attractive � appearance. • Integral communications and built-in type identification. • Built-in tamper-resistant feature. �nstallation • Removable cover and insect-resistant screen for simple SD355(A) series plug-in detectors use a detachable mounting field cleaning. base to simplify installation,service and maintenance. OPERATION Mount base (all base types) on an electrical backbox which is • Withstands air velocities up to 4,000 feet-per-minute(20 m/ at least 1.5" (3.81 cm)deep. For a chart of compatible junction sec.)without triggering a false alarm. boxes,see DF-60059. • Factory preset at 1.5% nominal sensitivity for panel alarm NOTE:Because of the inherent supervision provided by the SLC threshold level. loop, end-of-line resistors are not required. Wiring "T-taps" or • Visible LED "blinks"when the unit is addressed (communi- branches are permitted for Style 4 (C/ass B) wiring. SD355R(A) cating with the fire panel)and latches on in alarm. mounts in a D355PL(A)or DNR(A)/DNRW duct detector housing. MECHANICALS Operation • Sealed against back pressure. Each SD355(A) series detector uses one of 99 possible • Direct surface mounting or electrical box mounting. addresses on the MS-9200UD(LS) and up to 318 (159 on • Mounts to: single-gang box, 3.5" (8.89 cm) or 4.0" (10.16 each loop) on the MS-9600UD(LS) Signaling Line Circuit cm)octagonal box,or 4.0" (10.16 cm)square electrical box (SLC).It responds to regular polls from the system and reports (using a plaster ring—included). its type and status. OTHER SYSTEM FEATURES The addressable photoelectric sensor in the SD355(A) series has a unique unipolar chamber that responds quickly and uni- • Fully coated circuit boards and superior RF/transient pro- formly to a broad range of smoke conditions. It can withstand tection. wind gusts up to 4,000 feet-per-minute (20 m/sec.) without • 94-VO plastic flammability rating. sending an alarm level signal. Because of its unipolar cham- • Low standby current. ber, the SD355(A) series is approximately two times more responsive than most photoelectric sensors. This makes it a more stable detector. DF-52384:D•2/11/2015—Page 1 of 2