NF DP420LS Instruction Manual page 34

Programmable ac power source
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 Connection procedure
1. Connect the connector L1 of the System Cable to the SYSTEM I/O connector of the cabinet
which is to be L1 phase. Also connect the L2 and L3 connectors in the same way.
2. Remove the resin-molded output terminal cover of each cabinet.
3. Connect the output terminal to the load with a cable. Connect a voltage line to the Hi output
terminal of each cabinet. The neutral line can be connected to the Lo terminal with two methods
described below. The neutral line can be grounded. If the load has a ground terminal, connect it
to the chassis terminal of each output terminal. Be sure to tighten the screws firmly.
DP420LS/DP480LS
2.5 Output and System Cable Connection
15

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