
14
NFW-50X Manual —
P/N LS10129-001NF-E:C 7/25/2018
Product Description
Controls and Indicators
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.
Key Panel
Mounted on the main circuit board, the key panel includes a window for the LCD display
and LED indicators as listed below. The key panel, which is visible with the cabinet door closed, has 30 keys, including a 16 key alpha-
numeric pad similar to a telephone keypad.
TB5
TB8
TB11
Figure 1.1 Current Availability
po
w
er
di
s
te
s50.
wm
f
Refer to the battery calculations section for additional information.
Special Application
Nonresettable or
Resettable Power
NAC #1
NAC #2
Remote Synchronization
Output
1.0 amp max
per circuit
2.5 amps max
per circuit
Alarm
3.0 amps max
per panel
0.35 amp max
per circuit
2.5 amps max
per circuit
Standby
2.0 amps max
per panel
SYSTEM NORMAL
10:00A 010118