Connecting AC Power to the Charger
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ADT-CHG-120 Instruction 05/01/98 PN 50938:A
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Caution: Before connecting AC power to the charger—make sure to set the Voltage Select
Switch (SW1) on the charger (Figure 2) to match your AC power source (120 VAC or 240
VAC). Figure 3 shows the voltage selection positions for SW1:
Figure 3 Using SW1 to Select AC Voltage
Figure 4 shows the steps for connecting the charger to the main AC power source.
Figure 4 Connecting AC Power to the Charger
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Step 1: Remove the plastic insulating cover
from TB1.
Step 2: Connect the Earth ground line to
TB1.
Step 3: Connect the Primary Neutral line to
TB1.
Step 4: Connect the Primary Hot line to TB1.
Check all connections, then replace the
plastic insulating cover.
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