Installation Instructions

- 4 - AL1024NK1 Installation Guide
LED Diagnostics:
AL1024ULXB2 - Power Supply/Charger
Red (DC) Green (AC/AC1) Power Supply Status
ON ON Normal operating condition.
ON OFF Loss of AC. Stand-by battery supplying power.
OFF ON No DC output.
OFF OFF Loss of AC. Discharged or no stand-by battery. No DC output.
Terminal Identification:
AL1024ULXB2 - Power Supply Board
Terminal Legend Function/Description
L, N Connect 115VAC to these terminals: L to hot, N to neutral (Fig. 1a, pg. 4).
+ DC – Factory connected to VR6 (Fig. 1d, pg. 4).
AC Fail
NC, C, NO
Used to notify loss of AC power, e.g.connect to audible device or alarm panel.
Relay normally energized when AC power is present. Contact rating 1A @ 28VDC.
AC or brownout fail is reported within 1 minute of event.
To delay reporting for up to 6 hrs., cut “AC Delay” jumper and reset power to unit
(Fig. 1f, pg. 4).
Bat Fail
NC, C, NO
Used to indicate low battery condition, e.g. connect to alarm panel.
Relay normally energized when DC power is present. Contact rating 1A @ 28VDC.
A removed battery is reported within 1 minute.
Battery reconnection is reported within 1 minute.
Low battery threshold: approximately 21VDC (Fig. 1b, pg. 4).
– BAT + Stand-by battery connections. Maximum charge current 3.6A (Fig. 1c, pg. 4).
VR6 - Voltage Regulator
Terminal Legend Function/Description
+ IN – Power input from AL1024ULXB2, factory installed.
+ OUT – 5VDC @ 6A or 12VDC @ 6A, depending on SW1 setting.
Fig. 1 - AL1024ULXB2 Board Configuration
1a 1b
1d
1c
1e
1f
L
G
N
BAT FAIL
AC FAIL
NC
C
NO NC
C
NO
AC
DC
- BAT +
+ DC -
AC DELAY