LST HFM/153-27D Smoke Alarm User Manual


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ABuilding Safety. Building Security.
fi g. A
fi g. C
fi g. B
• Manual call points for different
applications
• High range of radio transmission
• 2 frequency bands (868MHz and
434MHz)
• Fault message when door is opened
• Case according to EN 54-11/B
• Communication with radio interface
FUIF511-27D
Description
The red Manual Call Point HFM/153-27D (fi g. A) and
the blue Manual Call Point HM/152-27D with lettering
„HAUSALARM“ (fi g. B) communicate with the RF Inter-
face FUIF511-27D via a secured radio protocol. The
plastic case, which is designed in accordance with
EN 54-11/B, is provided with an integrated antenna and
accommodates the 3.6V lithium battery.
4 data channels in the frequency band 868MHz as well
as 20 channels in the frequency band 434MHz are avai-
lable for the bidirectional data transmission. The avai-
lability of the channel is checked regularly. During the
learning phase of the detector, i.e., when the detector
is registered at the radio interface, a unique key, based
on a choice of several million codes, is created, which
allows the unambiguous identifi cation of the detector.
Regular status messages, monitoring of the battery vol-
tage and the long life of the included batteries ensure
the high reliability of the system.
A built-in LED optically indicates the activated condition
of the detector. The hinged door can be opened up to
an angle of 180° and it is provided with a replaceable
pane of glass. If the detector has been activated, an
integrated locking device prevents the closing of the
door. When the door is opened, the detector sends a
fault message to the radio interface.
Specifi cations
Operating voltage 3.6V (lithium battery, battery life approx. 1.5 years)
Ambient temperature 0°C to +60°C
Dimensions W × H × D 125 × 125 × 37 (mm)
Range of radio transmission (free air) 400m
Frequency band 868MHz or 434MHz
Manual Radio Call Points
HFM/153-27D, HM/152-27D