MULTIQUIP DLW400ESA4 Operation Manuals page 37

5. Next, set the current/voltage regulator control knob
(Figure 33) in accordance with the selected electrode
size as referenced in Table 16.
Figure 33. Current/Voltage Regulator
Control Knob (Current Adjust)
6. The selected current (amps) will be displayed on the
DC weld meter. The example shown in Figure 34 is for
a constant current value of 135 amps.
Figure 34. DC Weld Meter (135 Amps)
7. Set the welding regulation control knob (Figure 35) to
the desired setting.
Figure 35. Welding Regulation
NOTICE
The welding regulation control knob is an adjustment used
to control the length and strength of the welding arc. In
addition this control can be used to fine tune the arc based
on the specific application being used.
DLW400ESA4 WELDER/GENERATOR • OPERATION MANUAL — REV. # 0 (03/14/18) — PAGE 37
Control Knob
DUAL MODE WELDING (CC)
NOTICE
NEVER switch the single dual selector switch when
welding. The possibility exists of contact failure which
could cause arcing thus causing a fire and damage to
the equipment.
1. Place the welding mode selector switch (Figure 36) in
the dual mode position.
Figure 36. Single-Dual Selector Switch
(Dual Position)
2. Follow steps 2 through 6 as outlined in the Single Mode
Welding (CC) section and reference Table 20 instead
of Table 19.
Table 20. Current Range/Engine Speed
(Dual Mode Operation)
e Mode
Low
Selector
2300 rpm
Switch
A+B Total
Variable/
30~200A
Low
See Note
High/Low See Note
High —
Note: Reference notes 1, 2 and 3 as specified in Table 19.
OPERATION
Variable High
2300~3600 rpm 3600 rpm
A+B Total
200~400A —
No Load
A+B Total
—
30~400A
A+B Total
— 30~400A
See Note