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7 I TrueA%arm Sensors � - � •r: . Sealed against rear air flow entry TrueAlarm heat sensors are self-restoring and provide rate ` Interchatigeable mounting compensated, fixed temperature sensing, selectable with EMI/RFI shielded electronics or without rate-of-rise temperature sensing.Due to its Heat sensors: small thertnal mass,the sensor accurately and quickly Selectable rate compensated,fixed temperature measures the local temperature for analysis at the fire • sensing with or without rate-of-rise operation alarm control panel. • Ratedi 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 � Setting Spacing remperature settiny per minute.Fixed temperature sensing is independent of � rate-of-rise sensing and programmable to operate at 135°F� so ft x so ft z0 ft x 20 ft(6.1 m)for fixed 135°F(57.2°C) or 155°F(68°C). In a slow developing (57.2°C) (18.3 m) temperature only;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 feature. However, an alarm will be (6s°C) (1z.z m) selection;RTI=ultra Fast initiated when the temperature reaches its rated fixed Smoke Sensors: temperature setting. • Photoelectric 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 warnings or alert to HVAC system ,I problems.Refer to speciftc panels for availabiliry. � 1 • • � - - • � 4-7/8"(124 mm) TrueAlarm photoelectric sensors use a stable,pulsed infrared LED light source and a silicon photodiode II"'�LED status indicator receiver tio provide consistent and accurate low power 2-3/s" smoke sensing. Seven levels of sensitivity are available (so mm) for each individual sensor,ranging from 0.2%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%,3.0%, and 3.7%.Application type and sensitivity are selected and 4098-9733 Heat Sensor with Base then mon�itored at the fire alarm control panel.* � The sens�or head design provides 360°smoke entry for WARNING: In most f res, hazardous levels of smoke optimum response to smoke from any direction.Due to its and toxic gas can build up before a heat detection photoele¢tric operation,air velocity is not normally a device would initiate an alarm. In cases where Life factor, e icept for impact on area smoke flow. Safety is a factor,the use of smoke detection is highly recommended. �� 4-7/8"(124 mm) � �'`�-LED status indicator . , . , _ 2-1/8" I (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 Ala�•m and Signaling Code. On smooth ceilings, smoke 4098-9714 Photoelectric Sensor with Base sensor spacing of 30 ft(9.1 m)may be used as a guide.* "For detailed application information including sensitivity ; selection, refer to Installation Instructions 574-709 � I � � 3 S4098-0019-20 1/2015 f�