System Sensor i3 Series Photoelectric Smoke Detector INSTALLATION AND MAINTENANCE INSTRUCTIONS

1 Remove 6 Removing Replacing Screen Sensing Chamber AND MAINTENANCE INSTRUCTIONS Vacuum the cover or use canned air to remove any dust or Remove the top half of the screen sensing chamber by lifting Vacuum Replace the housing Press down firmly until the screen sensing Replace Reinstall Notify Volts Volts mA Specifications 2 wire 4 wire Nominal 12 24 12 24 130 mA Amp sec HALF Specifications 135 41 the panel alarm verification reset time is 10 seconds or less Should the alarm verification reset exceed 10 seconds use the maximum initial start up time refer to insert for the Limitations of Fire Alarm Systems Limited Warranty Sensor warrants its enclosed smoke detector to be free from defects in from date of manufacture System Sensor makes no other express war for this smoke detector No agent representative dealer or employee of repair or replacement of any part of the smoke detector which is found to three year period commencing with the date of manufacture After phon System Sensor toll free number 800 SENSOR2 736 7672 for a Return number send defective units postage prepaid to System Sensor Department RA 3825 Ohio Avenue St Charles IL 60174 or implied whatsoever even if the loss or damage is caused by the Statement This Smoke Detector 2W B 2WT B 4WT B Installing read thoroughly System Sensor manual A05 1003 Guide for System Smoke Detectors which provides This manual shall be left with the owner user of this following NFPA 72 requirements At a minimum cleaning Description 2W B and 2WT B are 2 wire photoelectric smoke detec models 4W B and 4WT B are 4 wire photoelectric smoke and an advanced microprocessor The microprocessor the detector to automatically adjust its sensitivity back the factory setting when it becomes more sensitive due to settling in its chamber In order for this feature work properly the chamber must never be opened while is applied to the smoke detector This includes cleaning screen sensing chamber is field replaceable Models 2WT B 4WT B also feature a restorable built in fixed temperature used with an i3 Series compatible control panel or the i3 2W B and 2WT B are capable of generating a signal The 2W MOD can indicate a need for cleaning or a freeze condition 2WT B only at the control of the 2W B 2WT B 4W B and 4WT B detectors is the system allowing the detector to be easily installed or