Smoke Detector Wire Diagram. A 4 wire system is wired normally open no on the sensor circuit no power is required to maintain the no state. A bc547 npn transistor is used to to drive buzzer whenever it detects smoke.
Apollo orbis smoke detector wiring diagram wiring diagram is a simplified good enough pictorial representation of an electrical circuit. You are able to usually rely on wiring diagram as an essential reference that will. 429 428 series wiring diagram diagram 2 general description the esl 429449 and 428448 series low profile self diagnostic two and four wire smoke detectors work on the light scattering principle.
All mains powered alarms and accessories need a mains supply that is taken from a permanent live feed for example a lighting circuit.
All mains powered alarms and accessories need a mains supply that is taken from a permanent live feed for example a lighting circuit. Hard wired smoke and carbon monoxide alarms sound simultaneously on all levels. A hard wired smoke or carbon monoxide co alarm is wired to a v household electrical circuit and is connected to other detectors throughout your home. Installation wiring diagram ea318 photoelectric smoke detector manualzz.