Installation Instructions

- 4 - AL400ULX Series Installation Guide
Fig. 1a
Fig. 1b
Fig. 1c
L G N
BAT FAIL NC C NO NC C NO
AC FAIL
AC
+ BAT -
+ DC -
DC BAT
F1
Off - 24V On - 12V
SW1
ON
Switch Position:
24VDC = SW1 OFF
12VDC = SW1 ON
Battery & AC
Supervision Circuit
(power-limited)
J1
AC Delay
Power
Distribution
Module(s)
Green
Lead
115VAC power mains
non power-limited
Class 1
power limited
Battery connection
(non power limited)
CAUTION: When power supply board is set for 12VDC use only one (1) 12VDC stand-by battery.
Keep power-limited wiring separate from non power-limited. Use minimum 0.25" spacing.
For 12VDC Operation
use hook-up in the
inset on the right
12VDC Rechargeable Battery
(optional)
12VDC Rechargeable Battery
(optional)
OFF - 24V
ON - 12V
SW1
ON
1
CAUTION: De-energize unit prior to servicing. For continued protection against risk of electric
shock and fire hazard replace fuse with the same type and rating. Do not expose to rain or moisture.
Battery & AC
Supervision Circuit
(power-limited)
NC C NO NC C NO
J1
AC Delay
Fig. 1 - AL400ULX Series