Sequence Of Operation - ESAB EPP-400 Manuel D'instructions

sectIon 4

4.3 sequence of operation

4.3 Sequence of Operation
PILOT
ARC
Apply Power
PANEL
REMOTE
HIGH
LOW
ACTUAL AMPS
PRESET AMPS
Begin
Cutting
1. Apply power by closing the line (wall) switch. (The EPP-400
does not have an on / off switch). The main power light will
illuminate and the fault light will flash and then go out.
2. Select the Panel / Remote setting.
3. Set pilot arc High / Low switch. (Refer to cutting data in the
torch manual.)
4. If using panel mode, view preset amps with the ACTUAL /
PRESET AMPS switch. Adjust current until the approximate
desired value is shown on the ammeter.
5. Begin plasma cutting operation. This may include manually
setting up other options, depending on the total plasma
package.
6. If using panel mode, after cutting has begun, adjust current
to desired amount.
7. Check for fault light. If a fault light illuminates, refer to trouble-
shooting section.
The fault light flashes when the contactor is first
turned on signifying the DC Bus powered up nor-
112
operatIon
note:
mally.