Model : | 3SFW |
Power Supply : | 230V mains |
Temperature Range : | 0ºC to +40ºC |
Humidity Range : | Up to 93% Relative Humidity (RH) non-condensing |
Storage and Transport : | -20ºC to +60ºC and 5–95% relative humidity (RH) non-condensing |
Alarm Dimensions : | 135 x 135 x 70mm (including ‘Slick’ mounting base) |
Alarm Weight : | 274g |
Warranty : | 10 years |
Approvals : | BSI certified to BS5446 Part 2:2003 |
: | CE tested and certified |
Associated Standard : | BS 5839 Part 6 Grade D |
Sensor : | Thermistor (Thermal resistor) within detection unit |
Sensitivity : | Complies with BS 5446 Part2:2003, as a Class A2 device, alarms between 54ºC and 70ºC |
Button Test : | Simulates the effect of heat at the sensor, checks electronics and sounder |
: | Automatic Self-test Circuitry is tested every 40 seconds and unit beeps if fault is detected |
Supply Voltage : | 230V AC, 50 Hz (nominal UK voltage) |
Power Consumption : | Maximum 80mA |
Battery Back-up : | User-replaceable alkaline 9V battery (MX1604) |
Battery Monitoring : | Battery is monitored and unit emits a single chirp every 40 seconds if a fault is present |
Low Battery Warning : | 30-day low battery indicator |
Power-on Indicator : | Continuous green LED |
Alarm Sounder : | Electronic piezo-electric sounder (T3 pattern sound - three pulses - space - three pulses) |
Sound Output : | 85dB (A) minimum at 3 metres |
Alarm Frequency : | 3.2 kHz typical |
Alarm Status : | Red LED flashes rapidly, typically once every 2/3 seconds = unit sensing a fire event |
: | Red LED double flashes every 30 seconds = unit is triggering unit (press test button to unlatch) |
: | Red LED flashes once every ten seconds = in hush condition (auto-reset after 7 minutes) |
: | Red LED flashes once every 35 seconds = normal quiescent operation |
Interconnection : | Up to 24 units (smoke, heat and CO) can be hardwire interconnected using SMART® interconnect system with optional control (see below) |
: | Up to 15 units can be wireless interconnected using appropriate Wireless Base RF-SFTP |
Optional : | Controls Wireless Base Remote Test and Hush Unit (KN-RTH-RF) when used with Wireless Base |
Fixing : | ‘Slick’ mounting deep base as supplied |
Base : | Cable Connect. Screwless Terminal Block with slot release feature for conductor |