WebWiring Wire the RTS2 as shown in Figure 3, for InnovairFlex 4-wire conventional duct smoke detectors. Limit wire runs to 25 ohms or less per interconnecting wire. nOTe: 1. If polarity of Acc. (+) and Acc. (—) are reversed, an Amber LED on sensor 2 of the duct smoke detector power board will exist indicating a trouble condition. 2. WebThe D4120 4-wire duct smoke detector has the ability to power two sensors from one power board. With its 2:1 sensor-to-power board capability, the power board of the D4120 may be used to monitor a second D4S sensor simultaneously. This is perfect for applications
D4120 System Sensor Gas & Specialty Sensors - Kele
WebFIRE ALARM SIGNAL INC. D4120 4-Wire Photo Duct Smoke Detector4 Wire Photo Duct Doc#HFS-0247 04/10/09 Wiring for 4-wire Duct Smoke Detector and Accessories Important Notes on 2:1 Sensor-to-Power Capability •2.1 sensor-to-power capability can be enabled using one D4120 and one D4S, or two D4S and one D4P120. Important … WebDuct Smoke Detector; D4120 System Sensor – Installation and Maintenance Instructions. Related Products... System Sensor DST1 ... 4-wire photoelectric sensor component only $ 198.64 Quick View Add to cart; System Sensor DST5 Metal sampling tube duct widths 4 ft... $ 32.19 Quick View Add to cart; blood plasma thawing devices
D4120 Duct Smoke Detector Regulator Automation
Web1. Factory mounted for single point field wiring connection. 2. Shipped loose for field installation. see DSD5-D4120 If the detector is shipped loose for field installation refer to … WebThe InnovairFlex Duct Smoke Detectors provide superb immunity to false alarms and easy, labor saving installation options. Its flexible configurations allow an easy replacement to … WebSmoke introduced into an air duct system will be distributed throughout the entire building. Smoke detectors designed for use in air duct systems are used to sense the presence of smoke in the duct. Model D4120W. Duct Smoke Detectors utilize 4-wire photoelectric technology for the detection of smoke. This detection method, when combined with an blood plasma therapy how does it work