Altronix Maximal77E Installation Instructions - Manual (Page 6)

- 6 - Maximal Expandable Power Systems
NO NC C NO
+
B
A
T
-
-- 24V - OPEN
12V - CLOSED
AC FAIL
RL3
SW1
AC Delay
BAT FAIL NC C NO NC C NO
+
B
A
T
---
DC
AC FAIL
AC
24V - OPEN
12V - CLOSED
SW1
Fig. 1a
AL400ULXB Power Supply Board Fig. 1c
AL600ULXB Power Supply Board
Fig. 1b
OPEN SWITCH
CLOSED SWITCH
Switch Detail
Power Supply Board LED Diagnostics:
LED
Power Supply Status
Red (DC) Green (AC)
ON
ON Normal operating condition.
ON OFF Loss of AC, Stand-by battery supplying power
OFF ON No DC output. Short circuit or thermal overload condition.
OFF OFF No DC output. Loss of AC. Discharged battery
Power Supply Board Output Voltage Settings:
Fig. 1 Fig. 1