The 2W-MOD2 installation manual may be downloaded from the System Sensor web site at www.systemsensor.com. FIGURE 3B: WIRING DIAGRAM, 4WTR-B, 4WTA-B, 4WTAR-B, AND 4WITAR-B. Conventional Initiating Devices System Sensor's i3TM Series photoelectric and photoelectric/ thermal smoke detectors represent a significant advancement in conventional detection, incorporating three key features: installation ease, intelligence, and instant inspection.
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The 2WTA-B is a 2-wire, photoelectric i3 smoke detector with thermal sensor and built-in sounder. System Sensor i3 series smoke detectors represent significant advancement in conventional detection. The i3 family is founded on three principles: installation ease, intelligence, and instant inspection. Installation ease.. System Sensor 2WTA-B Smoke Alarm with Sounder, Relay and Isolator Options; Form C Relay; Isolated Thermal Sensor; Plug-in Design, Base Included; Removable Cover and Chamber; Dual-color LEDs