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INSTALLATION AND MAINTENANCE INSTRUCTIONS
Series
3825 Ohio Avenue, St. Charles, Illinois 60174
Photoelectric Smoke Detector
1-800-SENSOR2, FAX: 630-377-6495
Models: 2W-B, 2WT-B
www.systemsensor.com
4W-B, 4WT-B
Before Installing
Two LEDs on the detector provide a local visual indication of the
Please read thoroughly System Sensor manual A05-1003,
detector’s status:
Applications Guide for System Smoke Detectors, which provides
detailed information on detector spacing, placement, zoning, wir-
Table
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( ) 5 RA – (5) COM (4) RA + (4) NO ( ) 3 – IN/OUT (3) – IN/OUT (2) + OUT ( ) 2 + OUT ( ) 1 + IN (1) + IN (5) RA – (5) COM ( ) (4) NO 4 RA + (3) – IN/OUT (3) – IN/OUT ( ) ( ) 2 + OUT 2 + OUT ( ) 1 + IN (1) + IN Figure 1: Mounting of Detector Wiring Installation Guidelines All wiring must be installed in compliance with the National Electrical Code, applicable state and local codes, and any special requirements of the local Authority Having Jurisdiction. Proper wire gauges should be used. The cond
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3. If the detector is within the listed sensitivity limits, the 2-Wire i3 Detector Wired in Style D Configuration: detector’s red LED should light within five seconds. CAUTION Figure 5: Recessed Test Switch Opening and SENS-RDR 3 Any 2-wire i smoke detector (2W-B, 2WT-B, 2WTA-B, or 2WTR-B) Position wired in the Style D initiating device circuit (IDC) configuration requires the use of a 2W-MOD2 module. This is because fire POSITION SENS-RDR AT AN ANGLE ON THE OVAL AREA OR AT THE alarm control pa
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1. Remove the detector cover by turning counterclockwise. (See Figure 6: Removing/Replacing Screen/Sensing Chamber Figure 6.) REMOVABLE 2. Vacuum the cover or use canned air to remove any dust or DETECTOR COVER debris. 3. Remove the top half of the screen/sensing chamber by lifting straight up (Figure 6). SCREEN/SENSING 4. Vacuum or use canned air to remove any dust or particles that CHAMBER are present on both chamber halves. (TOP HALF) 5. Replace the top half of the screen/sensing chamber by a
