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df-50673:Rev•F-850 <br /> 302 Series � FIre•Lffe=ALarms <br /> Rate-Anticipation Beat Detectors <br /> by Honeywell <br /> EX <br /> ,,,?E?`�;%F �.'K'i'`.;"' .''N�:;Si;:�n,.c�:` ;:'"--""-.'�;�:;"?".Y;:z�fi"as'�'�_g.T;,r. ;�¢Pu"s,+.-zxl,.E s�`;;mrz•.'�:;x�a :%. r•,,.r�p�• �, <br /> gr;;�u.,-r',�1q-.&.,v..>33^;q:�tsv,;. ;;x.:s;�i�-s' e`=i;ru<<'�" :;��f;:.?3- i�'g�::�,.�J;�;�_,.,. ''4y'fri.',°�r.= '." �4"ie.• �•'�4�i�' ®, '.T.c,4 . <br /> �� „��,-��'1;e .`2�# N sK',. ,`f,3 �.5.f?:� <.".J M x�z.•ti3b... �4,apx-; 5 k' =!fie <br /> General <br /> The Thermotech 302 Series rate-anticipation heat detectors <br /> operate within a controlled range of two to three degrees of <br /> their set points, regardless of the speed or rate of temperature <br /> rise. These detectors are available in either 135°F(57.2°C)or Mode1302 Model0 <br /> 194°F(90°C) ratings. <br /> The 302 Series are normally-open devices designed espe- <br /> cially for fire detection and alarm systems. <br /> Features <br /> • Immediate response. The 302 Series activate whenever <br /> ambient air temperature reaches a detector's setting, elimi- <br /> nating the thermal time lag inherent in conventional heat <br /> detectors. Model 302-EIPM Model <br /> • Eliminates false alarms. The 302 Series do not respond <br /> to momentary temperature fluctuations below the selected <br /> temperature. <br /> • Universal application. The 302 Series can be used in all <br /> areas for any type of occupancy. <br /> • Self-restoring. <br /> • Hermetically sealed. Shock resistant, corrosion resistant, <br /> and tamper-proof. 1271pho1.,pg <br /> Principles Of Operation Agency Listings and Approvals <br /> The 302 Series rate-anticipation heat detectors respond and These listinas and approvals apply to the modules specified in <br /> activate the fire alarm immediately whenever the ambient tem- this document. In some cases,certain modules or applications <br /> perature reaches the preset temperature setting. Under rapid may not be listed by certain approval agencies, or listing may <br /> heat rise conditions, the rate-anticipation feature enables the be in process.Consult factory for latest listing status. <br /> detector to respond one to three degrees ahead of the setting. <br /> At the same time, however, it does not respond to momentary • UL Listed: S539 (302-AW-135/-194; 302-ET-135/-194; <br /> temperature fluctuations below the selected protection level, 302-135-194) <br /> thus eliminating false alarms. When temperature drops back • FM Approved: (302-AW-135/-194; 302-ET-135/-194; <br /> down below the protection level, the detector automatically 302-135/-194) <br /> resets itself. • CSFM:7270-0021:001 <br /> Dimensions (Model 302) <br /> Total overall length: 4-1/8"(10.48 cm). <br /> Base diameter: 2"(5.08 cm). <br /> Electrical Ratings I.E <br /> VolVoltaae Current <br /> FINE LVER <br /> 6-125 VDC 5 amps CONTACTIPOIN iS <br /> SION STRUTS <br /> 6-25 VDC 1 amp <br /> HIGH EXPANSION <br /> 125 VDC 0.5 amp NG SHELL 0040 <br /> IZED ALUMINUM <br /> Application Information ANTICIPATION <br /> ROLSLEEVE <br /> 302 Series detector have a smooth ceiling UL rating of 50' x NG SCREW <br /> 50'(15.24 x 15.24 meters)and are the only type of heat detec- R HERMETIC SEAL <br /> tors having such a rating on both fixed temperature and rate <br /> anticipation. Cut-Away View <br /> df-50673:Rev•02/03/09—Page 1 of 2 <br />