ESAB EPP-360 - Parallel installation; Connections for Two EPP -360 s in parallel

© ESAB AB 2010
-21-
bp12a1
Front access panel opened
7.6 Parallel installation
Two EPP-360 power sources may be connected together in parallel to extend the
output current range.
7.6.1 Connectio n s for Two EPP -360’s in parallel
Primary power source has the electrode (-) conductor jumpe-
red. The supplemental power source has the work (+) jumpe-
red.
NOTICE
1. Connect the negative (-) output cables to the arc starter box (high frequency
generator).
2. Connect the positive (+) output cables to the workpiece.
3. Connect the positive ( +) and negative (-) conductors between the power
sources.
4. Connect the pilot arc cable to the pilot arc terminal in the primary power source.
The pilot arc connection in the supplemental power source is not used. The pilot
arc circuit is not run in parallel.
5. Connect a power source paralleling control cable between the two power
sources.
6. Connect the CNC control cable to the primary power source.