ESL 521 smoke

P R O D U C T I N F O R M A T I O N B U L L E T I N CleanMe remote maintenance reduces false alarms Smart dual fixed rate of rise heat with photo chamber to catch faster Built in drift compensation reduces alarms Field replaceable optical chamber servicing a snap Small low profile design blends in any environment SERIES Profile Two Photoelectric Detector CleanMe Model numbers 521B 521BXT 521CRXT Model numbers 528B 528BXT State Fire Marshal Approved ESL 521 Series self diagnostic two wire detectors are the industry first conventional smoke detectors with analog features such remote maintenance trouble reporting CleanMe compensation and multi criteria detection 521 Series continually monitor their own sensi and operational status and provide a visual and trouble condition if they drift out of the sensitiv range or fail internal diagnostics This meets NFPA field sensitivity testing requirements without the for external meters The 521 has a unique feature it to send a signal CleanMe to the ESL 505 sold separately when it has drifted outside of UL Listed sensitivity range or has failed its internal test The 505 is an interface module that signal a 24V panel via relays when the 521 is dirty 12V and 24V control panels have the CleanMe built in eliminating the need for the 505 When CleanMe is not desired simply leave switch on the 521 off and it will work as a normal wire detector CleanMe allows the installer time to a service call and avoid a false alarm between cleaning detectors is dramatically because of the 521 built in drift compensa This feature usually only available in analog allows the detector to automatically adjust its over time as it becomes dirty increasing the of the detector when the 521 has told you that cleaning is it literally a snap with ESL patented field optical chamber Series ESL Photoelectric Smoke Detectors multi criteria model 521BXT CRXT photoelectric smoke rate of rise heat detector includes fast algorithms for a quick response to both flaming smoldering fires Fast response algorithms allow the detectors to work intelligently together with the photo smoke detector As soon as the heat sensor detects rapid rise in temperature the sensitivity of the photoelec sensor increases allowing it to detect smaller particles of faster and Engineering Specifications ESL 521 Series photoelectric smoke detector is a low self diagnostic two wire detector that monitors its sensitivity and operational status This detector meets 72 field sensitivity requirements without the need for meters Built in drift compensation automatically the sensitivity as the detector gets dirty Normal occurs every 9 seconds This rate doubles when a exceeding the alarm threshold value is sensed Two successive signals above the threshold level will an alarm installation instructions for information about correct and maintenance proprietary optical sensing chamber is field replaceable quick and easy cleaning and maintenance Data Dip switch 1 6.5 33VDC polarity sensitive Dip switch 1 8.5 33VDC polarity sensitive ripple pk to pk 10 Vp p average standby current 24V 70 alarm current 24V up to 60mA max not limited by control panel Contacts 500mA 36VDC resistive Relay contacts 1A 30VDC photoelectric 3.1 0.50 1.00 temperature 32 to 100 0 to 37 humidity range 0 to 95 Non condensing Immunity 20V m minimum 0 1000MHz wiring size 12 24 AWG detector specifications Rate of rise 15 and 105 8.3 40.6 Fixed 135 57 two wire compatibility identifier Dip switch 1 S09A Dip switch 1 S10A S11A compensation adjustment 1.0 ft max time 1 second minimum head dimensions Diameter 5 12cm Height 2 5cm dimensions Diameter 4.75 12.5cm Height 0.3 0.8cm White head and base packaging 10 detectors per carton UL ULC CSFM Model No 521B 521B 10PK 521BXT 521BXT 10PK 521CRXT 528B 528BXT 401 SM 200 211 Rev B 1101 photoelectric 6 24VDC with CleanMe UL listed pack of 521B not individually boxed photoelectric 6 24VDC with CleanMe multi criteria algorithms fixed rate of rise smart dual heat listed pack of 521BXT not individually boxed photoelectric 12 24VDC with CleanMe auxiliary relay multi criteria algorithms fixed rate of rise dual heat UL listed photoelectric 6 24VDC ULC listed photoelectric 6 24VDC with CleanMe multi criteria algorithms fixed rate of rise smart dual heat listed that interprets the 521 CleanMe signal for the panel and can convert 2 wire 521 Series to 4 wire on panel magnet in plastic shell for pole mounting in a Can canned smoke for functional testing of smoke detectors optical chambers set of 10 503.692.4052 Canada 800.547.2556 Service 800.648.7424 FaxBack 800.483.2495 www sentrol com www interlogixsecurity com Caddx ESL ITI and Sentrol are trademarks of Interlogix Inc