Extinguishing
Configuring flooding zone control
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Building Technologies
A6V10210424_j_en_--
Fire Safety
2018-08-29
Standard 'Causes' functions
The table below describes 'Causes' functions, which are created automatically in
the 'Causes' zone with the creation of an 'Extinguishing sector control' element.
Designation
Description
'Automatic release'
Assignment of causes for the automatic triggering of extinguishing in the flooding
zone. This is performed by an assignment with a 'Zone' element or a 'Section'
element in 'Detection tree'.
The causes function must be contained in a configuration and configured
accordingly. It cannot be deleted.
'Manual release'
Assignment of causes for manual triggering of extinguishing in the flooding zone;
e.g., the input for a manual call point on the extinguishing card.
The causes function must be contained in a configuration and configured
accordingly. It cannot be deleted.
'Emergency hold'
Assignment of causes for the interruption of the pre-warning time in the event of
activated extinguishing in the flooding zone. This could be the input for an
'Emergency hold' switch on the extinguishing card, for example. This is the
standard function for interrupting the pre-warning time.
Alternatively and if permitted, a switch which does not need to be pressed
continuously can also be configured. You will find information about this further
down under the 'Emergency stop' function.
The causes function does not need to be in the configuration and can be deleted.
Additional standard 'Causes' functions
Designation
Description
'Emergency stop reset'
Assignment of causes to reset an 'Emergency stop' function.
You will find information about the 'Emergency stop' function further down in this
section.
'Mechanically blocked'
Assignment of causes which make the site switch to the 'Mechanically blocked'
state. This could be a monitored input on the extinguishing card, for example,
which monitors the position of a manual shut-off valve in the extinguishing agent
pipe.
'Pressure switch'
Assignment of a pressure switch for the confirmation of an extinguishing agent
flow. This can be installed optionally and enables a defined transition into the
''Released' phase' state of the extinguishing system for the flooding zone in
question.
During conventional activation via automatic fire detectors or a manual call point,
the respective flooding zone automatically goes into the ''Released' phase' state if
the pressure switch has detected a flow of extinguishing agent after the valves in
the extinguishing agent cylinders have been opened.
Exception: The flooding zone goes into the ''Activated' phase' state if the pressure
switch has detected a flow of extinguishing agent despite the flooding zone being
in the 'Quiet' state. The 'Emergency hold' and 'Emergency abort' functions cannot
be activated in such cases.
If a pressure switch has not been installed to confirm the extinguishing agent flow,
then the flooding zone automatically switches from the previous state to the
''Released' phase' state in the event of an activation after a defined period of time
has elapsed.
'Dual function'
Assignment of causes for the activation of the operation mode 'Block manual
release' or 'Block aumanual release'. It is a double function which triggers
one or the other operation mode depending on the input value.
