Special functions
89
Building Technologies A6V10257473_e_en_--
Fire Safety 2015-03-04
17 Special functions
The functions described in this chapter must be used only during commissioning
and/or maintenance. It is not allowed to use these functions during normal
operation. The following access code shall not be delivered to the customer.
17.1 Anticipated Silence Sounders
This function is used to stop/start the Sounders during the pre-discharged warning
time.
Procedure
1. Enable operating access level 2,
2. Press and hold down "Silence buzzer" key (6), then enter the code 2 1 1 2 4 3
on the numeric keypad:
è the sounders stop
3. Press the "Silence/Re-sound Sounders" key (5)
è the sounders start again
17.2 Anticipated Reset
This function is used to reset the system without having to wait the end of the
programmed flooding time.
Procedure
1. Enable operating access level 2
2. Press and hold down the « Silence buzzer » key (6), then enter
the code 2 4 4 2 1 3 on the numeric keypad:
è "Pre-discharged warning time" ends immediately and the reset can be carried
out
17.3 Extract fan
This function allows starting / stopping the extract fan. The extract fan provides a
means to vent a room of extinguishing gases but prevents the gases from being
vented during a discharge. The extract fan can be de-activated only with the
“Reset” key.
1. Enable operating access level 2
2. Enter the code 1 2 3 1 on the numeric keypad:
è Extract fan starts
3. Press the "Reset" key (7)
è Extract fan stops
– Extract fan cannont be started during the pre-discharged warning time and during the flooding time
– Extract fan is automatically switched off as soon as an extinguishing process is started
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