Siemens Industry, Inc. A6V10356958_en--_n
Smart Infrastructure
Introduction
The FS920 system is a life safety network that is modular, networkable fire detections system that can consist of FC922,
FC924Fire control panels and FT924 Fire terminal. It comprises of all the components required for the detection,
evaluation and annunciation of life safety event such as fire and smoke conditions. By using optional modules, copper
wiring and/or Fiber Optic cables are used to network the panels together.
The FC922 is capable of supporting up to 252 devices and FC924 is capable of supporting up to 504 devices. Both panels
have a PMI with optional LED module, 2 Class B or 1 Class A NAC (expandable to 4 Class B, 2 Class A NACs), 4 control
relays, Battery Charger, Aux Power connection and optional capability for connection to Leased Line or City Tie. Both
panels support DACT, connection to Remote Printer / Remote Annunciators and Releasing Application as optional
feature. Both panels use 170W power supply or optional 300W power supply for more power capability.
The PAD-5 is an addressable booster power supply which offers additional NAC expansion with flexible configuration for
each individual circuit. The PAD-5 also includes releasing circuits and conventional zone inputs.
The FV922 and FV924 Fire voice control panels have all the capabilities and features of the FC922 and FC924 plus voice
evacuation capabilities that support Mass Notification and Emergency evacuation. Both panels have Voice Card Cage,
which, can support up to 3 amplifier circuits which, can be configured as Class A or Class B (3 primary and 1 backup, or 2
primary and 2 backup), connection LED/Switch module and optional capability for connection to remote/local microphone,
remote LED/Switch module and low level input/output audio. It has the ability to originate and broadcast voice
announcements through connected speakers and transfer voice announcement among interconnected systems. Both the
FV922 and the FV924 are powered by either a single or two cascaded 300W power supplies. For Mass Notification
Application, it has the security level stated below:
- Communication Security Level 1 (Security function not employed)
- Stored Data Security Level 0 (Passwords are employed)
- Access Control Security Level 1 (Passwords are employed with programmable time-out feature)
- Physical Security Level 1 (keylocks are employed to control physical entry to the panel)
The FT924 is a network terminal capable of displaying events for the entire system or can be programmed to control and
display a specific panel.
The VR2005 Remote microphone is a remote voice station that utilizes remote terminal board and can have microphone
and LED/switch modules connected to the FV922 or FV924 to enable fire safety personnel to originate voice
announcements remotely. The FV922/FV924 can power and control up to four VR2005 remote microphone stations per
node. Refer to the VTA2001-A1 installation instructions, Document ID A6V10405564, for installation information.
The FT924 panel and remote microphone can be combined in a 2HU enclosure (2HU Remote Station) by utilizing its
respective interface units and remote switch module. Refer to Figure 5 for connection and recommended wiring routes.
The FV922/FV924 Voice Systems, when used in conjunction with Siemens Hi-Fidelity speakers, meet the requirement for
low frequency signal tone as described in the section for Determination of Low Frequency Signal Format, in UL464,
Standard for Audible Signal Appliances, suitable for sleeping areas as required by NFPA 72 Chapter 18.4.5 (2013
Edition). Refer to Document ID A6V10333532 for compatible speakers.
The FV922/FV924 also supports Background music and Convenience paging functionalities using Global analog audio
input that is configured for lowest priority. Refer to the FS920 Configuration manual, Document ID A6V10333423, Section
11.6.5 and the FS920 Operation Manual, Document ID A6V10333380, Section 8.7 for proper configuration and operation.
For a complete FS920 system overview, refer to the FS920 System Description, Document ID A6V10333401.
Legacy Migration
The FC922/FC924 fully supports Siemens legacy systems and technology. With the use of the FCL2004-U1 module, the
Cerberus PRO panel offers full compatibility with legacy MXL and MXL-IQ system peripheral devices. Each Cerberus
PRO system will support up to two FCL2004-U1 modules. Each module has two ALD circuits for a total of 240 MXL
compatible devices (120 per module), in addition to the Cerberus PRO peripherals already available. Also available are
the MXL-IQ mechanical migration kits. The kits support existing MXL-IQ backboxes MSE-3L and MSE-3M. Reuse the
existing enclosure and replace the electronics with new Cerberus PRO system panel electronics.
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