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UTC (Formerly GE Security/ESL) 449CST Heat and Smoke Detector UL listed, 4-wire, Photoelectric Heat and Smoke Detector with dual fixed temperature and GE 449CT - ESL Smoke/Heat Detector, manual related issues. Get free help, solutions & advice from top GE experts. 449/448 SERIES. Self-Diagnostic, Four-. Wire, Photoelectric. Smoke Detectors. Model numbers: 449AT, 449C, 449CT, 449CRT, 449CST, 449CSTE,. 449CSRT GE Security's 449CT is a UL listed, 4-wire 12/24VDC Photoelectric Heat and Smoke Detector with dual fixed temperature and rate-of-rise heat sensor conditions. 12 Nov 2016 449 Series Self-Diagnostic Photoelectric Smoke Detector. MANUFACTURED BETWEEN MARCH 25th, 2013 AND February 28th, 2014. 400 series detectors with the below model numbers and with date 449CRT, 449CST, 449CT for instructions how to check the manufacturing date on your detector. 2. Esl 429/449 series self-diagnostic photoelectric smoke detectors. The ESL 429/449 Series low-profile, self-diagnostic, two-wire and. Contacts Contacts (uA) (mA) (mA) 429AT *see S09A 429C *see S10A 429CT *see S10A 429CRT *see S11A 429CST *see S11A 449C 449CT 449CRT 449AT 449CST four-wire smoke detectors work on the light scattering principle. A . For instructions on removal of terminal block and circuit board, call technical .. Terminal block for 4-wire smoke detectors 449CTE, 449CSTE, 449AT, 449C, 449CT,449CST. 25 Jul 2018 tos.cloudz.pw/read?file=449ct+manual. 449cst recall. 4 wire smoke detectorsentrol smoke detector beeping. esl 449ct replacement.The ESL 429 Series two-wire, smoke detectors offer the widest . Refer to NFPA 72 for further mounting instructions. . Sentrol reserves the right to change 28 Apr 2014 Self-Diagnostic Photoelectric Smoke Detector needs to be replaced. 449 Series Figure 2, on page 2, depicts model 449CT. The physical