INSTALLATION AND MAINTENANCE INSTRUCTIONS ... - …
3825 Ohio Avenue, St. Charles, Illinois 601741-800-SENSOR2, FAX: AND MAINTENANCE INSTRUCTIONSPhotoelectric Smoke Detector2-Wire: 2WTR-B (Form C Relay), 2WTA-B (Sounder)4-Wire: 4WTR-B (Form C Relay), 4WTA-B (Sounder) 4WTAR-B (Form C Relay, Sounder), 4WITAR-B (Isolated Thermal, Form C Relay, Sounder)SeriesBEFORE INSTALLINGPlease 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.
Only the fixed-temperature heat sensor will cause the 4WITAR-B to initiate an alarm at the panel and the relay to change its state. NOTE: In order for all i3 sounder detectors on a loop to sound when the panel alarms, the supply voltage polarity must be reversed. A reversing relay, System Sensor model number RRS-MOD, must be used.
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