INSTALLATION AND MAINTENANCE INSTRUCTIONS Series

3825 Ohio Avenue, St. Charles, Illinois 601741-800-SENSOR2, FAX: AND MAINTENANCE INSTRUCTIONSP hotoelectric Smoke DetectorModels: 2W-B, 2WT-B, 4W-B, 4WT-BSeriesBEFORE INSTALLINGP lease read thoroughly System Sensor s Applications Guide for System Smoke Detectors (SPAG91), which provides detailed information on detector spacing, placement, zoning, wiring, and special applications. This manual is available online at sNOTICE: This manual shall be left with the owner/user of this : This detector must be tested and maintained regularly following NFPA 72 requirements. At a minimum, cleaning should be performed DESCRIPTIONM odels 2W-B and 2WT-B are 2-wire photoelectric smoke detectors; models 4W-B and 4WT-B are 4-wire photoelectric smoke detectors. All models in-corporate a state-of-the-art optical sensing chamber and an advanced micro-processor.

4. Direct mount or to ceiling using drywall fasteners. (See Figure 2.) FIGURE 1: MOUNTING OF DETECTOR S0121-00 The i3 Series heads and bases are keyed so that a 2-wire head will only mount to a 2-wire base, and a 4-wire head will only mount to a 4-wire base. The heads and bases are clearly identified as either 2-wire or 4-wire. When mount -

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