Led Diagnostics - Altronix AL1042ULADA Installation Manual

Power Supply Board
Red (DC) Green (AC)
ON ON
ON OFF
OFF ON
OFF OFF
AL842LGK - Logic Board
LED OFF
ON Normal
ON Normal
OFF Normal
OFF Normal
Input 1 Normal
Input 2 Normal
Fault Normal
* Indicates existing trouble condition. When a trouble condition (open, short or ground) occurs on a specific
output, the corresponding red output LED [OUT1] - [OUT4] will blink.
The corresponding green input LED will blink as well.
** Indicates trouble condition memory. When a trouble condition restores, the units red output LEDs,
[OUT1] - [OUT4] will blink with a shorter and distinctly different duration.
The green input LEDs will be off (normal condition).
Power Supply Board*
Terminal
Function/Description
Legend
L, N Connect 120VAC to these terminals: L to Hot, N to Neutral.
+ DC – 24VDC @ 10A continuous, 10A in alarm non power-limited output.
Form "C" dry contacts indicate the loss of AC, with AC present terminals marked [NO] and [C] are
AC FAIL
open, [NC] and [C] are closed. When loss of AC occurs terminals marked [NO] and C] are closed,
NO, C, NC
[NC] and [C] are open.
Form "C" dry contacts used to instantaneously signal the loss AC to local annunciation devices,
AC LOCAL
with AC present terminals marked [NO] and [C] are open, [NC] and [C] are closed.
NC, NO, C
When loss of AC occurs terminals marked [NO] and [C] are closed, [NC] and [C] are open.
Form "C" dry contacts indicate low battery voltage or loss of battery voltage. Under normal
BAT FAIL
conditions terminals marked [NO] and [C] are open, [NC] and [C] are closed. During a trouble
NO, C, NC
condition terminals marked [NO] and [C] are closed, and [NC] and [C] are open (Fig. 8, pg. 11).
– BAT + Stand-by battery input (leads provided) (Fig. 8, pg. 11).
*Power Board Parameter Specifications:
• AC Fail condition will report approximately 2 hours after loss of AC. To set AC Delay to 1 minute, power
the unit down (AC supply and Battery) prior to changing switch position.
Turn "AC Delay" switch ON for 1 minute or OFF for 2 hours, respectively.
• Low battery condition will report at approximately 20VDC.
• Battery presence detection will report within 180 seconds after battery remains undetected (missing or
removed). A restored battery will report within 30 seconds.
AL1042ULADA / R1042ULADA Installation Guide

LED Diagnostics:

Power Supply Status
Normal operating condition.
Loss of AC. Stand-by battery is supplying power.
No DC output.
Loss of AC. Discharged or no stand-by battery. No DC output.
ON
Alarm Condition
Alarm Condition
Alarm Condition
Alarm Condition
Alarm Condition
Alarm Condition
Alarm Condition
Terminal Identification Table:
BLINK (LONG)*
Trouble Condition
Trouble Condition
Trouble Condition
Trouble Condition
Trouble Condition
Trouble Condition
–
BLINK (SHORT)**
Trouble Condition Memory
Trouble Condition Memory
Trouble Condition Memory
Trouble Condition Memory
–
–
–
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