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The 1771-PS7 requires input from a 120V ac or 220V ac source. As a
safety precaution, the 1771-PS7 is shipped with the input voltage selector
switch set to 220V.
To connect power to the 1771-PS7:
1.
Make sure the power switch is set to OFF.
2.
Use a 1/8" slotted screwdriver to set the input voltage selector switch
for 120V ac or 220V ac as required for the input voltage available at
installation.
ATTENTION: To avoid damaging the power supply, do
not place the screwdriver blade more than 1/4" into the
switch slot.
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