techem radio frequency smoke alarm 2, Operating Instructions Manual, Page: 23 / 218

23
Technical data
Version:
with an integrated radio module for integration in the Techem radio
system data III and Techem Smart System, transmission frequency
868.95 MHz, transmission rating < 25 mW e.r.p.
Sensor systems: photo-optical diffused light process
Signal evaluation:
thanks to process-controlled setpoint tracing, sensitivity also re-
mains constant when the smoke boxes are soiled or dusty over the
course of the years, which cannot be avoided
Check: • manual: Actuation of the user key
• automatic: the result is transmitted by radio
• automatic testing can hardly be heard
Environment and permeabil-
ity monitoring: regular and automatic tests whether smoke can penetrate the
detector unhindered
• Penetrability of the smoke intake openings
• Covers/Taping over
• relevant obstacles in the surroundings of 60 cm around the RWM
Acoustic alerting: • in case of fire alarm at least 85 dB(A)
• for manual check: approx. 75 dB(A)
• for fault notification: approx. 75 dB(A)
Display: LED red for fire alarm and failure
User key: • for manual checking
• for switching off of an acoustic fault message for 3 days
• to switch off the alarm for 15 min.
Power supply: • fixed installation Lithium battery
• 10 years battery service life + 1 year spare
• acoustic and optical signalisation if the battery is flat
Installation: • on ceilings and inclined roofs
• 6 m max. room height
• 60 m² max. monitoring area
• Wall mounting for special applications
Conformity: • DIN EN 14604 2005 + AC 2008
• CE1772-CPD-100459
Authorisations: • KRIWAN 1772-CPR-100459
• vfdb 14-01
IP protection class: IP 32
Operating temperature:
+5 °C to +45 °C, temporarily -10 °C to +60 °C
Dimensions (D x H): 129 mm x 59 mm