Fire-Lite MS-10UD Series FACP - Manual (Page 97)

MS-5UD & MS-10UD Series Manual — P/N 52626:C4 3/7/2014 97
Normal Operation Operating Instructions
Fire Alarm
This red LED flashes when one or more alarms occur. It illuminates steady when the Acknowl-
edge/Step or Alarm Silence key is pressed. The Fire Alarm LED turns off when the Reset key is
pressed. The LED will remain off if all alarms have been cleared.
Supervisory
This is a yellow LED that flashes when one or more supervisory conditions occur, such as a sprin-
kler valve tamper condition. It illuminates steady when the Acknowledge/Step or Alarm Silence
key is pressed. It turns off when the Reset key is pressed and remains off if all supervisory alarms
have been cleared.
Trouble
This is a yellow LED that flashes when one or more trouble conditions occur. It stays on steady
when the Acknowledge/Step or Alarm Silence key is pressed. The LED turns off when all trouble
conditions are cleared. This LED will also illuminate if the microprocessor watchdog circuit is
activated.
Alarm Silenced
This is a yellow LED that turns on after the Alarm Silence key is pressed while an alarm condition
exists. It turns off when the Drill or Reset key is pressed.
4.3 Normal Operation
With no alarms or troubles in the system, the display message is System All Normal along with the
current time and date as shown below. To set the time and date, refer to the appropriate section in
this manual.
The FACP performs the following functions at regular intervals in Normal mode:
 Monitors AC input voltage and battery voltage
 Monitors and reports status option cards and control panel
 Refreshes LCD display and updates time
 Scans control panel keypad for key presses
 Tests memory
 Updates and reads all communications busses (EIA-485, etc.)
 i 3 smoke detectors will be polled for maintenance and freeze conditions on initial entry into
Normal mode. Thereafter, each device will be polled every hour for freeze and every four
hours for maintenance conditions
4.4 Trouble Operation
With no alarms in the system, the detection of a trouble will cause the following:
• The piezo to pulse 1 second On and 1 second Off
• The system Trouble LED to flash one second On and one second Off
SYSTEM ALL NORMAL
10:00A 070707
NOTE: To ensure that the system is functioning properly, the FACP will perform a freeze check
five minutes after the panel is reset, followed by a maintenance check. If there is no freeze or
maintenance condition, the panel will continue to monitor for freeze conditions every hour and
maintenance conditions every four hours.