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� ` TrueAlarm Sensors � � , � . . � Sealed against rear air flow entry TrueAlarm heat sensors are self-restoring and provide rate ' Interchangeable mounting compensated,fixed temperature sensing,selectable with EMURFt shielded efectronics or without rate-of-rise tern�erature sensing.Due to its small thermal mass,the sensor accurately and quickty Heat sensors: measures the local temperaiure for analysis at the fire • Selectable rate compensated,fixed temperature alarm conirol�anel. sensing with or without rate-of-rise operation • Rated spacing distance between sensors: Rate-of-rise temperature detection is selectable at the control panel for either 15°F(8.3°C)or 20°F(11.1°C) Fixed Temp. UL 8 ULC FM Spacing,Either Fixed per minute.Fixed temperature sensing is independent of Setting Spacing Temperature Setting rate-of-rise sensing and programmable to operate at 135'F so ft x so tt 20 ft x 20 ft{6.1 m)for fixed 135°F(572°C)or 155°F(68°C).In a slow developing (57.2`C) (18.3 m) temperature oniy;RTI=Quick 50 ft x 50 ft(15.2 m)for fixed fire,the temperature may not increase rapidly enough to 155°F 40 ft x 40 ft temperature with either rate-of-rise operate the rate-of-rise feahue.However,an alann will be (ss'C) (�2z m) se�ection;RTI=Uitra Fast initiated when the temperature reaches its rated fixed Smoke Sensors: temperature setting. • Photoelechic technology sensing TrueAlarm heat sensors can be programmed as a utility • 360°smoke entry for optimum response device to monitor for temperature extremes in the range Built-in insect screens from 32°F to 155°F(0°C to 68°C).This feature can � provide freeze wamings or alert to HVAC system problems.Refer to specific panels for availability. � i ' • • • • . . - . , _ -7/8'(124 mm TrueAlarm photoelectric sensors use a stable,pulsed infrared LED light source and a silicon photodiode �''�LED sta#us indicator receiver to provide consistent and accurate low power 2-3/8• smoke sensing. Seven levels of sensitivity are available (so mm) ' for each individnal sensor,ranging from 02%to 3.7%per foot of smoke obscuration. Sensitivities of 0.2%,0.5%, and 1%are for special applications in clean areas. " Standard sensitivities are 1.5%,2.0%,2.5%a,3.0%,and 3.7%.Application type and sensitivity are selected and 4098-9733 HeaY Sensor with Base then monitored at the fire alarm control panel.* The sensor head design provides 360°smoke entry for WARNING:In most fires,hazardous levels of smoke optimum response to smoke from any direcrion.Due to its and toxic gas can build up before a heat detection photoelectric operation,air velocity is not normally a device would initiate an alarm.(n cases where Life factor,except for impact on area smoke flow. Safety is a factor,the use of smoke detection is highly recommended. -7/8"(124 mm d��LED status indiratoY . � , , 2-1/8" (54 mm) Sensor locations should be determined only after careful consideration of the physical layout and contents of the area to be protected.Refer to NFPA 72,the National Fire Alarm and Signaling Code.On smooth ceilings,smoke 4098-9714 Photoelectric Sensor with Sase sensor spacing of 30 ft(9.1 m)may be used as a guide.* *For detailed application information including sensitivity selection, refer to lnstallation Instructions 574-709. • 3 S4098-0019-18 6/2014