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Operation
11.0 Operation
The following chapter describes operation of the FX-2000 Series FACPs including:
• Single Stage Operation
• Two Stage Operation
• Pre-Signal Operation
• UUKL Feature
• Output Circuit Delay Operation
• Circuit Types
• Initiating (Detection) Circuit Type
• NAC (Signal) Circuits Types
• Evacuation Codes
11.1 Single Stage Operation
In a single stage system, all alarm inputs are treated in a similar manner. Alarm inputs include
any of the following: non-verified alarm, verified alarm, sprinkler alarm, water-flow alarm, and
general alarm circuits. Any of these alarm inputs occurring when the panel is not already in
alarm cause the following:
• The buzzer sounds steadily
• If fire drill is active, it is cancelled
• The Common Alarm LED turns on
• The Common Alarm relay activates if Aux disconnect is not active
• The Auto Signal Silence timer, if configured, starts
• The Signal Silence Inhibit timer, if configured, starts
• All non-disconnected NAC programmed to the input are activated provided that Aux
disconnect is not active
• Non-disconnected strobes associated with the input are activated
• Non-disconnected signals associated with the input are activated at the evacuation rate
• Subsequent alarms when the panel is already in alarm, cause the following:
• The alert buzzer sounds steadily
NOTICE TO USERS, INSTALLERS, AUTHORITIES HAVING JURISDICTION, AND OTHER INVOLVED PARTIES
This product incorporates field-programmable software. In order for the product to comply with the requirements in the
Standard for Control Units and Accessories for Fire Alarm Systems, UL 864, certain programming features or options
must be limited to specific values or not used at all as indicated below.
Program feature or option Permitted in UL 864? (Y/N) Possible settings Settings permitted in UL 864
Delay Output Timer YES
4 seconds maximum (due
to worst case loop delay of
6 seconds)
10 seconds
Monitor Buzzer NO
Sounding at the Fast Rate
or OFF
OFF
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