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Connecting the Charger to a Load
ADT-CHG-120 Instruction 05/01/98 PN 50938:A
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each charger output—with a maximum current draw of 45 A of alarm current from the
charger. To draw additional current from the charger, you can connect a load directly to the
batteries as shown in Figure 10:
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Figure 10 Typical Connections for Drawing Additional Current
To connect a charger as shown in Figure 10, follow these steps:
Step
Action
1
Connect the Battery+ and Battery– terminals of the power supply to the charger
Battery output (TB2: Batt 1+ and Batt 1–) as shown in Figure 10.
2
Connect the Battery+ and Battery– terminals of the first AA-120 to the charger
output circuit (TB2: Out 2+ and Out 2–) as shown Figure 10.
3
Connect the Battery+ and Battery– terminals of the first AA-30 to the charger
output circuit (TB2: Out 1+ and Out 1–) as shown in Figure 10.
4
Connect the Battery+ and Battery– terminals of the second AA-30 to the Battery+
and Battery– terminals of the first AA-30 as shown in Figure 10.
5
Connect the Battery+ and Battery– terminals of the second AA-120 to the
batteries as shown in Figure 10.
6
Connect the batteries to the charger.
You can draw 10 A maximum from
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