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INSTALLATION AND MAINTENANCE INSTRUCTIONS SY'STEM <br /> Innov hex SE NSOR C) <br /> D4120 Duct Smoke Detector <br /> D4S Sensor Component 3825 Ohio Avenue,St.Charles,Illinois 60174 <br /> 1-800-SENSOR2,FAX:630-377-6495 <br /> D4P120 Power Board Component www.systemsensor.com <br /> NOTE:The D4120 duct detector consists of D4P120 Power Board component and the D4S Sensor component. <br /> SPECIFICATIONS <br /> Operating Temperature: D4120&D4S: -4° to 158° F (-20° to 70° C) D4P120: -40° to 158° F (-40° to 70° C) <br /> Storage Temperature: D4120&D4S: -22° to 158° F (-30° to 70° C) D4P120: -40° to 158° F (-40° to 70° C) <br /> Humidity: 0% to 95% Relative Humidity Non-condensing <br /> Air Velocity: 100 to 4000 ft./min. (0.5 to 20.3 m/sec.) <br /> D4120 Footprint Dimensions: Rectangular- 14.38 in L x 5 in W x 2.5 in D (37cm L x 12.7cm W x 6.36cm D) <br /> Square-7.75 in L x 9 in W x 2.5 in D (19.7cm L x 22.9cm W x 6.35cm D) <br /> D4S/D4P120 Footprint Dimensions: 7.75 in L x 5 in W x 2.5 in D (19.7cm L x 12.7cm W x 6.35cm D) <br /> D4120 Weight: 2.5 pounds; 1.14 kg <br /> Electrical <br /> Power supply voltage: 20-29 VDC 24 VAC 50-60-Hz 120 VAC 50-60 Hz <br /> Input capacitance: 270 pF max. 270 pF max. N/A <br /> Reset Voltage: 3.0 VDC min. 2.0 VAC min. 10 VAC min. <br /> Reset Time (with RTS451/RTS151): .03 to 0.3 sec. .03 to 0.3 sec. .03 to 0.3 sec. <br /> Reset Time (by power down): 0.6 sec. max. 0.6 sec. max. 0.6 sec.max. <br /> Power Up Time: 35 sec. max. 35 sec.max. 35 sec. max. <br /> Alarm response time: 15 sec. 15 sec. 15 sec. <br /> Sensitivity Test: See detector label See detector label See detector label <br /> Current Requirements (Using No Accessories) <br /> Max. standby current 21 mA @ 24 VDC 65 mA RMS @ 24VAC 60Hz 20 mA RMS @ 120 VAC 60 Hz <br /> Max. alarm current 65 mA @ 24 VDC 135 mA RMS @ 24 VAC 60 Hz 35 mA RMS @ 120 VAC 60 Hz <br /> CONTACT RATINGS ACCESSORY CURRENT LOADS AT 24 VDC <br /> Alarm initiation contacts(SPST) 2.OA @ 30 VDC(resistive) DEVICE STANDBY TROUBLE ALARM <br /> Alarm auxiliary contatcs(DPDT) 10A @30 VDC(resistive) APA151/APA451 12.5mA n/a 30mA Max. <br /> 1 OA 03250 VAC(resistive) MHR/MHW OmA n/a 29mA Max. <br /> 1/2 HP @240 VAC RA40OZIRAlOOZ OmA n/a 12mA Max. <br /> RTS451/RTS151 OmA n/a 12mA Max. <br /> 1/4 HP @ 120 VAC <br /> RTS451KEY/RTS151KEY 12mA n/a 12mA Max. <br /> NOTE:Alarm auxiliary contacts shall not be connected to initiating circuits of RTS2 3mA Max. 16mA Max. 30mA Max. <br /> control panels.Use the alarm initiation contact for this purpose. RTS2-AOS 3mA 16mA Max. 55mA Max. <br /> Supervisory Contacts(SPDT) 2.0A @ 30 VDC(resistive) NOTE:Any combination of accessories may be used such that the given accessory <br /> 2.0A @ 125 VAC(resistive) loads are:110mA or less at the Aux output,and 50mA or less at the Alarm output. <br /> TABLE OF CONTENTS PAGE IMPORTANT:This detector must be tested and maintained regularly following <br /> [1] Limitations of Duct Smoke Detectors.. . . .. . . .. . . .. . . . . . . . . . . . . 1 NFPA 72 requirements.The detector must be tested an maintained regularly fol- <br /> [2] Exploded View of Duct Smoke Detector Components . . . . . . . . . . . ..2 lowing NFPA 72 requirements. According to NFPA,the detector should be visu- <br /> [3] General Description .. . . .. . . .. . . .. . . .. . . .. . . .. . . . . . . .. . . ..2 ally inspected semiannually and functionally tested at least once a year. This <br /> [4] Contents of Duct Smoke Detector Kit.. . . .. . . .. . . .. . . . . . . . . . . ..2 may need to be more frequent depending on the air quality of the duct supply air. <br /> [5] Detector Installation.. . . .. . . .. . . .. . . .. . . .. . . .. . . .. . . .. . . ..2 [i]LIMITATIONS OF DUCT SMOKE DETECTORS <br /> [6] Sampling Tube Installation. . . .. . . .. . . .. . . .. . . .. . . .. . . .. . . ..3 <br /> [7] Measurement Tests. . . . . . . . . .. . . .. . . .. . . .. . . .. . . .. . . .. . . ..3 AWARNING <br /> [8] Field Wiring Installation Guidelines. .. . . .. . . . . . . .. . . .. . . .. . . ..4 The National Fire Protection Association has established that DUCT DETEC- <br /> [9] Unit Configuration. .. . . .. . . .. . . . . . . . . . . . . . . .. . . . . . . . . . . ..5 TORS MUST NOT BE USED AS A SUBSTITUTE FOR OPEN AREA DETECTOR <br /> [10] Detector Status Indication. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 PROTECTION as a means of providing life safety.Nor are they a substitute for <br /> [11] Interconnection(Multiple Fan Shut Down). . . . . . . . . . . . . . . . . . . ..6 early warning in a building's regular fire detection system. <br /> [12] Verification of Operation.. . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . ..6 System Sensor supports this position and strongly recommends that the user <br /> [13] Detector Cleaning Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 read NFPA Standards 90A,72,and 101.The D4120 Air Duct Smoke Detectors <br /> [14] Sensor replacement.. . . .. . . .. . . .. . . .. . . .. . . .. . . .. . ... . .. .7 are listed per UL 268A. <br /> [15] Optional Accessories. . . .. . . .. . . .. . . .. . . .. . . .. . . .. . . .. . .. .7 This device will not operate without electrical power. Fire situations may <br /> Wiring Diagrams. .. . . . . . . .. . . .. . . .. . . . . . . . . . . . . . . . . . . . . . . .5-7 cause an interruption of power. The system safeguards should be discussed <br /> Warranty. . . . . . . . . . . . . . . .. . . .. . . .. . . .. . . .. . . .. . . .. . ... . .. 8 with your local fire protection specialist. <br /> BEFORE INSTALLING <br /> Read System Sensor's Applications Guide for Duct Smoke Detectors This device will not sense smoke unless the ventilation system is operating <br /> and the cover is installed. <br /> (HVAG53), which provides information on detector spacing, placement, <br /> zoning, wiring, and special applications. This manual is available online at For this detector to function properly,it MUST be installed according to the in- <br /> www.systemsensor.com. NFPA Standards 72 and 90A should also be refer- structions in this manual.Furthermore,the detector MUST be operated within <br /> enced for detailed information. ALL electrical and environmental specifications listed in this manual.Failure <br /> to comply with these requirements may prevent the detector from activating <br /> NOTICE:This manual shall be left with the owner/user of this equipment. when smoke is present in the air duct. <br /> 1 I56-2967-008R <br /> 06-10 <br />