JP1 - Setting for 120 V ac
032-0207-EN Rev 0
4-4
Jumper Settings
JP1 - Setting for 120 V ac
Note! The unit is shipped with the jumper configured for 220 V ac. Systems using
120 V ac with the line cord option requires moving the “AC Input Select”
jumper from the 220 V setting to the 120 V setting, and cutting the JP1
jumper to enable the neutral line fuse.
Ensure that you follow the procedure referenced in the following step.
This equipment must always be electrically disconnected from the
mains electrical supply (external power source) before beginning any
procedure.
1. Follow the steps outlined in Opening the Master Control, starting on
page 1-2 to open the Master Control.
2. Locate the AC Input Select jumper.
3. Unplug the jumper from the 230 V ac and plug it into the 120 V ac
setting
Figure 4-3 Locating the AC Input Select Jumper
(Continued)
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