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(j�Smoke Detector Specifications
<br /> Smoke detector shall be a System Sensor i'Series model number hsted ro Underwriters Laborarories Ul 268 for Rre Protection Signaling Systems.The
<br /> detector shall be a photoelectric type(Model 2W-8,4W-B)or a combinauon photoelectridthermal(Model 2WT-B,4WT-6)wrth thermal sensor rared at 135°F
<br /> (SZ2°Q.The detector shall include a mounting base for mounung ro 3'/z-inch and 4-inch octagonal,single-gang,and 4-mch square back boxes with a plaster
<br /> ring,or direct mount to the ceiling using drywall anchors.Wiring connections shall be made by means of SEMS screws.The detector shall allow pre-wiring of the
<br /> base and the head shall be a plug-in type.The detector shall have a nominal sensitivity of 2.5 percent-per-foot nominal as measured in the UL smoke box.The
<br /> detector shall be capable of auromatically adjusting its sensitivity by means of drih compensation and smoothing algorithms.The detector shall provide dual-
<br /> color LED indication that blinks to indicate power up,normal standby,out of sensitivity,alarm,and freeze trouble(Model 2WT-B,4WT-B)conditions.When used
<br /> in con�unction with the 2W-MOD2 module,2-wire models shall indude a maintenance signal to indicate the need for maintenance at the alarm control panel
<br /> and shail provide a loop testing capability to verify the circuit without testinq each detector individually.
<br /> Operating Vottage Nominal: 12/24 V non-polarized
<br /> Minimum: 8.5 V
<br /> Maximum:35 V
<br /> Maximum Rippie Voftage 3046 peak to peak of applied voltage
<br /> Standby Current 2-wire:50 NA maximum average;4-wire:50 NA maximum average
<br /> Maximum Alarm Current 2-wire:130 mA limited by control panel;4-wire:20 mA @12 V,23 mA @ 24 V
<br /> Peak Standby Current 2-wire:100 NA,4-wire:n/a
<br /> Alarm Contact Ratings 2-wire:n/a;4-wire:0.5 A@ 30 V AUDC
<br /> Dimensions(including baseJ 53 inches(127 mm)diameter,2.0 inches(S1 mm)height
<br /> Weight 63 oz(178 g)
<br /> Operating Ternperature Range 2W-B and 4W-8.32°F to 120°F(0°C to 49°C);2VJT-B and 4WT-B:32°F to 100'F(0°C to 37.8°Q
<br /> Operating Humidity Range 0 to 954'o RH non-condensing
<br /> Thermal 5ensor 135°F(57 2°Q fixed
<br /> FreezeTrouble 2N/t-D and 4WT-B only 41"F(;°Q
<br /> Sensitivity 2.5%/h nominal
<br /> InputTerminals 14 to 22 AWG
<br /> Mounting 3�/z-inch octagonal back box
<br /> 4-inch octagonal back box
<br /> Singie-gang back box
<br /> 4-inch square back box with a plaster ring
<br /> Direct mount to ceiling
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<br /> LED Mode Green LED Red LED Condition Duration
<br /> Power up Blink every 10 seconds Blink every 10 seconds Initial LED status indication 80 seconds
<br /> Normal(standby) Blink every 5 seconds off
<br /> Out of sensitivity off Blink every 5 seconds
<br /> Freeze trouble off Blink every 10 seconds
<br /> Alarm off Sohd
<br /> Ordering Information
<br /> 2W-B No 2-wire 130 mA max.limi[ed by control panel
<br /> 2WT-B Yes 2-wire 130 mA max.limited by control panel
<br /> 4W-B No 4-wire 20 mA @ 12 V,23 mA @ 24 V
<br /> 4WT-B Yes 4-wire 20 mA @ 12 V,23 mA @ 24 V
<br /> Accessories
<br /> 2W-MOD2 2 wire loop test/maintenance module RT Removal/replacement tool
<br /> SENS-RDR Sensitiviry reader A77-A82 Revofit adaprPr bra�kPr,6 6 inch(16 76 cm)diameter
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