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2 1 D273 Photoelectric Smoke and Smoke and Heat Detectors <br /> When a D132B Reversing Relay Module is used, the Parts included <br /> LED does not latch on alarm. <br /> Functions Quant. Component <br /> 1 Detector <br /> Chamber Calibration Tests <br /> Check the sensitivity and calibration of any of these 1 Literature pack-Installation Manual,Technical Service <br /> detectors using a visual check, a magnet test, or a Note on installation <br /> voltage measurement test. Refer to the D263ID273 Technical specifications <br /> Families Installation Guide for specific instructions to <br /> perform these sensitivity tests. Environmental Considerations <br /> Certifications and approvals Relative Humidity: Up to 93%,non-condensing <br /> Region Certification Operating and Storage +32'F to+120°F(O'C to+40'C) <br /> Temperature: <br /> USA UL UROX:Smoke-Automatic Fire Detectors <br /> (UL268 and A),UROX7:Smoke-Auto- Radio Frequency No alarm or setup on critical frequencies <br /> matic Fire Detectors Certified for Cana- Interference(RFI) in the range of 26 MHz to 950 MHz. <br /> da(cULus) Immunity <br /> CSFM see our website Mechanical Properties <br /> NYC 274 93 E,Vol.VII MEA Dimensions(Diameterx H): 5 in.x 2 in.(12.7 cm x 5.1 cm) <br /> MSFM Material: High impact,fire retardant ABS <br /> Hong Kong HKFSD J-005/C/023 _ plastic <br /> Power Requirements <br /> Instal lation/conf igu ration notes <br /> Power-up Time: 22 sec maximum <br /> Use smoke detectors for detection circuits that <br /> protect people. Use heat detectors for circuits that RMSRipple: 25%of DC input maximum <br /> protect property. Voltage(stand-by): 10VDCto30VDC <br /> Compatible Products Current Draw(alarm)at 30 VDC <br /> The following products are compatible with the D273 <br /> Family detectors: D273,D273TH: 18 mA maximum <br /> Category Product ID Product Description D273THC: 33 mA maximum <br /> Control These detector models are compatible with UL Listed D273THE,D273THR: 36 mA maximum <br /> Panels four-wire control panels.Refer to the manufacturer's D273THS: 78 mA maximum <br /> installation instructions to select the correct EOL resistor. <br /> Modules D132B Reversing relay module D273THCS: 90 mA maximum <br /> D273THES: 96 mA maximum <br /> Loop Supervision <br /> For loop supervision, install a Bosch Security Systems D2731S: 100mAmaximum <br /> D275 Power Supervision Module and an EOL resistor <br /> Current Draw(standby) <br /> after the last device on the loop. <br /> Mounting D273,D273TH,D27THC, 0.1 mA maximum <br /> The detector has a mounting plate that attaches to a D273THCS,D273THS: <br /> standard four-inch back box. D2731S: 15mA <br /> For commercial and industrial installations in <br /> accordance with NFPA 72, space each detector 30 ft D273THE,D273THES: 15 mA <br /> (9.2 m) apart. D273THR: 18 mA maximum <br /> Wiring <br /> The terminal block accepts up to 12 AWG (ISO Ordering information <br /> 2.5 mm2) wire.You can remove the terminal block D273 Four-Wire Smoke Detector <br /> from the detector for easier wiring. The terminal block Four-wire smoke detector. <br /> snaps in and out of the detector. Order number D273 <br />