Bosch RFSM-A Specsheet
Intrusion Alarm Systems | RADION smoke
RADION smoke
www.boschsecurity.com
u Externally visible LED that indicates smoke detector
status
u A built-in sounder for alarm alerts
RADION wireless from Bosch provides the range,
scalability and exceptional battery life required to
ensure reliable performance and superior quality.
Advanced diagnostics and multiple device enrollment
options make installation and maintenance simple and
cost effective. With a complete line of peripherals,
RADION provides the flexibility for virtually any
application requirement.
System overview
RADION smoke is a photoelectric (RFSM-A version also
includes “dual fixed/rate-of-rise on” functionality)
wireless detector that transmits alarm signals to the
wireless receiver when smoke is detected.
Functions
Alarm Mode
The detector’s built-in 85 dBA sounder initiates an
alarm signal and an RF signal indicating the alarm
condition is sent when the detector goes into alarm
mode. The receiver signals the control panel
identifying the specific detector in alarm. Alarm
conditions are non-latching so if the alarm condition
goes away (smoke dissipates), the detector returns to
a normal state.
u Supervised for low-battery, tamper, and removal
from mounting surface tamper conditions
u Operational up to 5 years using two user
replaceable CR123A Lithium batteries
The photoelectric smoke detector continuously
acquires ambient obscuration data as it monitors the
surrounding environment. The red LED blinks every
time a sample is taken. If any one sample is above the
calibrated alarm threshold, two more samples are
taken at 4 second intervals. If all three samples are
above the calibrated alarm threshold, the detector
goes into alarm mode.
Status indicator
The LED and sounder indicate the status of the
detector but not of the RF signaling circuitry. Under
normal conditions, the red LED flashes regulary while
the sensor monitors the surrounding environment.
When the sensor detects smoke, the LED changes
from flashing to steady ON and the sounder produces
a loud, continuous tone.
Test Silence button operation
A Test Silence button allows for performance of the
sounder and sensitivity tests and silencing of alarm
sounder and trouble chirp.
Drift compensation
The detector has built-in drift compensation that
allows the alarm to adjust sensitivity automatically as
it becomes dirty over time. The drift compensation
2 | RADION smoke
feature dramatically increases the time between
cleanings, as well as reducing the chance of a nuisance
alarm.
Certifications and approvals
Region Certificate
US UL 268 Smoke Detectors for Fire
Alarm Systems
Region Certification
EU_CPR 1134-CPR-039 [optical smoke alarm
device component]
Europe CE 2004/108/EC EMC Directive (EMC);
2006/95/EC Low-Voltage Directive
(LVD); 1999/5/EC Radio equipment and
Telecommunications Terminal Equipment (R&TTE); 2011/65/EU Restriction
of the use of certain hazardous substances in electrical and electronic equipment
USA CSFM 7272-1615:0249 7272 -- SMOKE DE-
TECTOR-SYSTEM TYPE-PHOTOELECTRIC
FCC Part 15 Security/Remote Control Trans-
mitter 433.42 MHZ [433.42 MHZ]
Canada IC 1249A-RWSSFT [-A model numbers]
Brazil ANATEL 0770-14-1855
Installation/configuration notes
Mounting considerations
Mount smoke detectors on interior ceilings preferably
at, or near the center of the ceiling. When mounting in
the center of the ceiling is not practical, mount on the
ceiling no closer than 10 cm (4 in) to walls or corners,
or on an inside wall between 10 cm (4 in) and 15 cm
(6 in) from the ceiling, near the middle of the wall.
Notice
Do not mount smoke detectors on drop ceiling
tiles. Mount to a metal runner. Because
installation on metal surfaces can affect the RF
propagation pattern of the radio transceiver, verify
the suitability of the installation site before
detector installation.
Technical specifications
Properties
Dimensions 142 mm x 61 mm (5.6 in x 2.4 in)
Power
Power/Voltage Two CR123A Lithium battery, 3
VDC
Battery life Up to 5 years
Environmental considerations
Sensitivity 0.14+/- 0.04 bM/m (0.5%/ft –
RFSM-A only)
Temperature 0ﾟC to +49ﾟC
(+32ﾟF to +120ﾟF)
Relative humidity Up to 93% non-condensing
Cover and wall tamper switch Transmits a tamper switch signal
when the unit is removed from its
base, or the unit is pulled away
from the mounting surface.
Drift compensation adjustment -1.64%/m (0.5%/ft) maximum
Sounder 85 dBA at 3 m
Frequency 433.42 MHz
Use Intended for indoor use
Heat alarm specifications (applies to RFSM-A only)
Rate of rise: 15ﾟF (8.3ﾟC/min >40.6ﾟC)
Fixed 135ﾟF +/- 5ﾟF (57.2ﾟC +/- 2.8ﾟC)
Compatibility
Receivers: B810 wireless receiver
(compatible with RFSM-A only)
Ordering information
RFSM-A (433.42 MHz)
Photoelectric and dual fixed/rate-of-rise detector. For
use in North and South America.
Order number RFSM-A
Parts included
Quantity Component
1 Smoke detector
2 Lithium battery (CR123A)
1 Dust cover
1 Hardware pack
1 Literature pack
RFSM (433.42 MHz)
Photoelectric detector. For use in Europe, Africa, and
Australia.
Order number RFSM
RFSM-CHI (433.42 MHz)
Photoelectric detector. For use in China only.
Order number RFSM-CHI
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