Enable/Disable Arc Initiation Conditions; Adjust Arc Initiation Timer - ESAB EPP-400 Manuel D'instructions

sectIon 4

4.4.1 enable/Disable arc Initiation conditions

1
1. Remove access panel on the upper-right corner of the front panel. Be sure to replace this panel after adjustments have
been made.
2. Locate SW1 and PCB1 and push both rocker switches down to disable. To enable push both switches up. (If one switch
is up and the other is down, arc initiation time is considered on.)
4.4.2 adjusting arc Initiation timer
on
off
Minimum Start Current
Controlled by selection of positions 5 through 8 of SW2. When a switch is pushed on, its value is added to the factory set
minimum value of 3A.
Switch #5 = 25A min. start current
Switch #6 = 12A min. start current
Switch #7 = 6A min. start current
Switch #8 = 3A min. start current
Default setting is with 5, 6 and 8 on 3A + 25A + 12A + 3A = 43A
Dwell Time
Controlled by selections of positions 1 through 4 of SW2 on PCB1. When a switch is pushed on, its value is added to the
minimum dwell time of 10 msec.
Switch #1 = 10 msec dwell time
Switch #2 = 20 msec dwell time
Switch #3 = 40 msec dwell time
Switch #4 = 80 msec dwell time
The default setting is with switch #3 on. 40 msec + 10 msec (minimum) = 50 msec
Factory default setting shown.
2 3 4
on
off
SW2
Factory default settings shown
1 2 3
5 6 7
1 2 3
SW1
4 5 6
SW2
114
operatIon
8
4 5 6
SW2
7 8
7 8