System Sensor 1412B and 1424 Manual

INSTALLATION AND MAINTENANCE INSTRUCTIONS 3825 Ohio Avenue St Charles Illinois 60174 FAX 630 377 6495 and 1424 Direct Wire Smoke Detectors 5.5 inches 14 cm 3.12 inches 8.0 cm 0.7 lb 310 gm Temperature 0 to 49 32 to 120 Humidity 10 to 93 Relative Humidity Non condensing Alarm Reset by momentary power interruption Contact Ratings or Inductive 60 power factor load A 2.0A 30VAC DC C 0.6A 110VDC 2.0A 30VDC 1.0A 125VAC 2.0A 30VAC Canadian installations relay contact rating is 2.0A 30VAC DC Ratings 1412 1424 Voltage 12 24 DC 4V Maximum Ripple Voltages 11.3 20 VDC Minimum 17.3 29 VDC Maximum Voltages 73 8 VDC Minimum Current 100 100 Maximum Currents 35.2 21.3 mA Minimum 77.0 40.6 mA Maximum alarm and auxiliary relay operate within the specified voltage ratings Time 0.3 0.3 Seconds Time 30 30 Seconds Installing thoroughly read the System Sensor manual A05 Applications Guide for System Smoke Detectors provides detailed information on detector spacing zoning wiring and special applications Copies this manual are available at no charge from System For installation in Canada refer to CAN ULC Standard for the Installation of Fire Alarm Systems CEC Part 1 Sec 32 Description Sensor 1412 and 1424 dual chamber ionization detectors utilize state of the art unipolar sensing These detectors are designed to provide open protection and to be used with UL listed 4 wire con panels The 1412 for 12 volt panels operates at 12VDC the 1424 for 24 volt panels operates at 24VDC The operation and sensitivity can be tested in place detectors are listed to UL 268 and are latching type detectors When latched in alarm the detectors be reset by a momentary power interruption LED on the detector provides a local indication of the status If power is applied to the detector and detector is functioning properly in standby the status will blink every 10 seconds In alarm the LED will be on continuously until the detector is reset detector contains one Form A SPST NO contact for to the alarm initiating circuit and one Form SPDT NO NC set of auxiliary contacts Supervision detector power is accomplished by installing a Power End of Line Relay Module A77 716 at the end the detector power loop When power is applied to and the detectors the EOL Power Supervisory Module energized Its relay contacts close and provide a closed circuit in the control panel alarm initiating loop A failure or a break in the detector power loop de ener the EOL Module The relay contacts open and trigger trouble signal at the control panel 1 I56 280 05R 1 Flush mounting of detector on 4 inch box 2 Detector mounting bracket MAKE DETECTOR TAMPER RESISTANT OFF TAB EXTENSION SCRIBED LINE 1412 and 1424 detector is supplied with a mounting kit that permits the detector to be mounted Directly to a 31 inch or 4 inch octagonal 11 inch deep Refer to releasing device manufacturer installa instruction for proper connections Contacts are shown in stand by mode and will in alarm condition box or To a 4 inch square electrical box by using a plaster ring the supplied mounting bracket kit of 30 ft on a smooth ceiling as per NFPA 72E conditions or response requirements vary other may apply Installation Guidelines wiring must be installed in compliance with the National Code and the applicable local codes and any spe requirements of the local authority having jurisdiction wire gauges should be used The conductors used connect smoke detectors to control panels and accessory should be color coded to prevent wiring mistakes connections can prevent a system from respond properly in the event of a fire system supervision for terminals 1 2 7 and 8 do not looped wire under terminals Break wire run to provide supervision of connections signal wiring the wiring between interconnected it is recommended that the wire be no smaller 18 gauge Wire sizes up to 12 gauge wire may be For best system performance the power and wires should be twisted pair and installed in separate conduit to protect the loop from extraneous elec interference detectors and alarm system control panels have for allowable loop resistance Consult the panel manufacturer specifications for the total resistance allowed for the particular model control being used before wiring the detector loops 3 Wiring diagram for models 1412 and 1424 detectors used with Class A or B four wire control panels 1 C A 2