Structure and function
10
Siemens Building Technologies
007995_a_en_--.doc
Fire & Security Products
04.2004
4
Structure and function
This chapter describes the setup and function of the fire detection control unit. It
provides the reader with an overview of the possibilities offered by the fire detec-
tion control unit. An exact description of the different procedures is included in the
sections 'Operation' and 'Maintenance'.
4.1
Indicators and operating modules
The figure below shows the indicators and operating modules. Depending on the
type (number of zones), your control units comprises more or fewer zone keys. The
function of the zone keys is the same with all control unit types.
1
2
3
4
9 9 9 9
Gener
al LE
Ds
G
eneral keys
Zone ke
ys
Zon
e LEDs
Numerical keys
Indicator module
General key
s
Ge
neral LE
Ds
Fig. 2
Indicators and operating modules
The operating panel comprises the following elements:
Light emitting diodes (LED)
Keys
Indicator modules (on option)
Key switch (on option)
LED
Designation Function
General LEDs
Indicate the status of the entire system.
Zone LEDs
Indicate the status of the individual zones. One red and one
yellow LED is allocated to each zone.
Tab. 2
Function of the LEDs
General:
red LED = alarm
yellow LED = fault, or a part of the system is switched off
Keys
Designation Function
General keys
General entries, e.g. Acknowledge
Zone keys
Allocate selected functions to the zone; one key is allocated to
each zone
Numeric keys
Entry of numeric values
Tab. 3
Function of the keys
