AL842ADA220 Installation Guide
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Power Supply Specifications:
AC Input:
220VAC, 50/60Hz, 2.5A.
Output:
Four (4) regulated supervised NAC output circuits, 24VDC, 2.5A maximum current.
One (1) aux. special application 24VDC power output circuit 1A, non-supervised.
Total output current must not exceed current 8A in Alarm Condition.
Battery
Use two (2) 12VDC / 12AH or two (2) 12VDC / 7AH batteries
connected in series.
Stand-by/Alarm
Current Consumption:
90mA/175mA
EOL Resistor (end of line):
2.2K (2200 Ohm), Altronix Model # AL-EOL22 (included).
Ground fault maximum
test impedance:
1000 Ohm.
Stand-by Specifications:
Stand-by Batteries
Stand-by Time Total
(A/Minutes)
Alarm Output
Current
Aux. Output
24VDC/7AH
24 Hours
8A/5 minutes
–
24VDC/12AH (use two 12VDC batteries in series)
24 Hours
8A/5 minutes
50mA
24VDC/36AH
24 Hours
8A/5 minutes
1A
Note: Unit is equipped with two (2) 1A max. auxiliary outputs: “AUX1” will automatically disconnect when
AC is lost. “AUX2” will remain battery backed up during power outage. For loads connected to “AUX2”
please, refer to battery “Stand-by Specifications” above for ratings. When loads are connected to the
“AUX1” and or “AUX2” outputs during alarm condition, the remaining outputs may not exceed 8A total
alarm current (example: AUX1 = 1A, AUX2 = 1A, outputs up to 8A).
Installation Instructions:
Wiring methods shall be in accordance with the National Electrical Code/NFPA 70/NFPA 72/ANSI, and with all
local codes and authorities having jurisdiction.
Product is intended for indoor dry use only.
Carefully review:
Application Guide for AL642ADA220, AL842ADA220, AL1042ADA220
Power Supply Specifications
(pg. 3)
Stand-by Specifications
(pg. 3)
Output Programming Selection Table
(pg. 4)
Sync Mode Selection Table
(pg. 4)
Terminal Identification Table
(pgs. 5-6)
LED Status Indication Table
(pg. 6)
1. Mount the unit in the desired location. Mark and predrill holes in the wall to line up with the top two keyholes
in the enclosure. Install two upper fasteners and screws in the wall with the screw heads protruding. Place
the enclosure’s upper keyholes over the two upper screws; level and secure. Mark the position of the lower
two holes. Remove the enclosure. Drill the lower holes and install two fasteners. Place the enclosure’s upper
keyholes over the two upper screws. Install the two lower screws and make sure to tighten all screws
(Enclosure Dimensions, pg. 12)
. Secure ground wire lead to earth ground lug
(Fig. 1, pg. 3).
Small terminal
block wire gauges range from 16 AWG to 24 AWG, all others range from 14 AWG to 24 AWG.
2. Connect the line (L) and neutral (N) terminals to a separate unswitched AC circuit (220VAC, 50/60Hz)
dedicated to the Fire Alarm System.
3. Measure output voltage before connecting devices.This helps avoiding potential damage.
4. Connect battery to the terminals marked [+ BAT –] on the Power Supply Board (battery leads included).
Use two (2) 12VDC batteries connected in series.
5. Set output selection switches marked [OUT1] through [OUT4] to follow corresponding Input [IN1] and
[IN2] and desired output signal type
(Output Programming Selection Table, pg. 4).
6. Connect FACP output to the desired AL842LGK logic board inputs, and notification appliances to the
desired AL842LGK logic board outputs
(see 42 Application Guide).
Fig. 1
L N
Line
Neutral
Ground Lug
