ESAB EPP-400 Manuel D'instructions page 103

sectIon 3
WarnIng
The EPP-400 does not have an ON/OFF switch. The main power is controlled through the line (wall) disconnect switch.
WarnIng
work
2 - 4/0 600V
positive leads
to workpiece
electrIc shock can kIll!
exposeD electrIcal conDuctors can Be hazarDous!
Do not leave electrIcallY "hot" conDuctors exposeD. When
DIsconnectIng the seconDarY poWer source froM the prI-
MarY, verIfY the correct caBles Were DIsconnecteD. Insu-
late the DIsconnecteD enDs.
When usIng onlY one poWer source In a parallel confIgu-
ratIon, the negatIve electroDe conDuctor Must Be DIscon-
necteD froM the seconDarY poWer source anD the pluMBIng
Box. faIlure to Do thIs WIll leave the seconDarY electrI-
callY "hot".
Do not operate the epp-400 WIth covers reMoveD.
hIgh voltage coMponents are exposeD IncreasIng shock
hazarD.
Internal coMponent MaY Be DaMageD Because coolIng
fans WIll lose effIcIencY.
EPP-400
Secondary Power
Source
electrode
Disconnect negative
connection from sec-
ondary power source
and insulate to con-
vert from two to one
power source
EPP-400
Primary Power
Source
work
103
InstallatIon
electrode
2 - 4/0 600V
negative leads
in arc starter box
(h.f. generator)