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base are compatible with the YBO-BS.
Only install in suitable environments, the
following in particular should be avoided:
Excessive ambient temperature.
o
Where excessive condensation or
o
moisture is present.
Hazardous areas.
o
A high voltage tester must not be used
with this base sounder.
Ensure that the base sounder is securely
fixed to the mounting base.
For proper wiring supervision ensure that
the cables are wired as shown in the
diagram below.
Tones and Volumes
Table 1 below shows the full range of sound
outputs available from the YBO-BS and the
amount of current drawn when operated. When
the YBO-BS is selected to be a base sounder
(sensor on top) the default sound output will be
85dB(A).
The YBO-BS is also capable of
utilising
a
number
Approved tones; these are listed in Table 2.
The tone of the sounder and the volume level
is selected and controlled by the control panel,
therefore
check
manufacturer for options and default values
available.
of
different
with
the
control
EN54-3
‡
@ 1m distance.
panel
* Refer to AP083 (available from our website)
for complete EN54-3 A-weighted sound levels.
Installation
The base sounder is designed to be mounted
on the Standard Mounting Base (YBN-R/3) or
the Short-Circuit Isolator Mounting Base (YBO-
R/SCI, from batch code 6044 only) in the same
method as a Sensor. The terminals on the
mounting base hold the YBO-BS and in turn
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