AL800ADA Power Supply Board*
Terminal Legend
Function/Description
L, G, N
Connect 120VAC to these terminals: L to hot, N to neutral.
- DC +
24VDC @ 8 amp in alarm non-power limited output.
Form "C" dry contacts used to instantaneously signal the loss AC to local annunciation devices,
AC FAIL
with AC present terminals marked NO and C are open, NC and C are closed. When loss of AC
NO, C, NC
occurs terminals marked NO and C are closed, 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. When loss of AC
NC, NO, C
occurs terminals marked NO and C are closed, NC and C are open.
Form "C" dry contacts used to signal 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 condition
NO, C, NC
terminals marked NO and C are closed, and NC and C are open (Fig. 2, pg. 7).
+ BAT -
Stand-by battery input (leads provided) (Fig. 2, pg. 7).
*Power Board Parameter Specifications:
• AC Fail condition will report approximately 30 seconds after loss of AC. To delay report for 2.5 to 3 hours cut
jumper AC DELAY on the Power Supply Board (AC trouble output delay option). If this mode is selected the Power
Supply Board must be reset by removing all power to it for 30 seconds.
• Low battery condition will report at approximately 21VDC.
• Battery presence detection will report within 180 seconds after battery remains undetected (missing or removed).
A restored battery will report within 30 seconds.
AL800ADA - Power Supply Board
Red (DC)
Green (AC) Power Supply Status
ON
ON
ON
OFF
OFF
ON
OFF
OFF
AL800LGK9E - Logic Board
LED
OFF
ON
Normal
ON
Normal
OFF
Normal
OFF
Normal
Input 1
Normal
Input 2
Normal
Fault
Normal
* Indicates current trouble condition. When trouble (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. Loop trouble will report within 30 seconds.
** Indicates trouble condition memory. When a trouble condition restores, the unit's red output LED [OUT1-OUT4]
will blink with a shorter and distinctly a different duration. The green input LEDs will be off (normal condition).
To reset the memory depress the reset button (Fig. 2c, pg. 7). The LED(s) will extinguish.
Note: If indicating circuits have been restored, memory reset is not required for normal operation of the unit.
- 6 -
Terminal Identification Table:
LED Diagnostics:
Normal operating condition.
Loss of AC, Stand-by battery supplying power.
No DC output.
Loss of AC. Discharged or no stand-by battery. No DC output.
ON
BLINK (LONG)*
Alarm Condition
Trouble Condition
Alarm Condition
Trouble Condition
Alarm Condition
Trouble Condition
Alarm Condition
Trouble Condition
Alarm Condition
Trouble Condition
Alarm Condition
Trouble Condition
Alarm Condition
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BLINK (SHORT)**
Trouble Condition Memory
Trouble Condition Memory
Trouble Condition Memory
Trouble Condition Memory
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AL802ULADA
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