Fire-Lite MS-9050UDC Addressable Fire Alarm Control Panel - Manual (Page 15)

MS-9050 Series Manual — P/N 52413:G 4/14/2014 15
Controls and Indicators Product Description
Special Application Primary ANN-BUS Power - TB3
Nominal Operating Voltage: 24 VDC
Maximum Current (Terminals 1 & 2): 500 mA
Power-limited, supervised
Special Application Secondary ANN-BUS Power - ANN-SEC - TB1
Nominal Operating Voltage: 24 VDC
Maximum Current (Terminals 1 & 2): 500 mA
Power-limited, supervised
The following figure illustrates the maximum current that is possible for each major panel output
circuit and the total current available from the FACP.
1.3 Controls and Indicators
LCD Display
The FACP uses an 80-character (4 lines X 20 characters) high
viewing angle LCD display. The display includes a long life
LED backlight that remains illuminated. If AC power is lost
and the system is not in alarm, the LED backlight will turn off
to conserve batteries.
LED Indicators
LED indicators are provided to annunciate the following conditions:
TB3
TB1 TB1
TB1
5 5
6 6
7 7
8 8
NAC #1
NAC #2
2.5 amps max
per circuit
2.5 amps max
per circuit
Alarm
2.5 amps max
per panel
Primary
ANN-BUS
Standby
1.0 amp max
per panel
0.5 amp max
per circuit
ANN-SEC
Option Card
0.5 amp max
per circuit
Figure 1.1 Current Availability
po
we
rd
is90
50
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Refer to the battery calculations section for additional information.
Nonresettable/
Resettable Power
#1
#2
1.0 amp max
per circuit
1.0 amp max
per circuit
OR
SYSTEM ALL NORMAL
10:00A 092105