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SGW-250SS DC WELDER/AC GENERATOR — PARTS & OPERATION MANUAL — REV. #2 (08/08/01) — PAGE 29
SGW-250SS — WELDER OPERATING INSTRUCTIONS
CAUTION :
NEVERNEVER
NEVERNEVER
NEVER
switch the CV/CC
SelectorSelector
SelectorSelector
Selector
SwitchSwitch
SwitchSwitch
Switch
during any welding operation.
When switching a selector switch, fully
rotate it to the right or left position.
1. Turn the CV/CC
Selector SwitchSelector Switch
Selector SwitchSelector Switch
Selector Switch
(Figure 10) to the
CVCV
CVCV
CV
position, and adjust voltage using
the
VV
VV
V
oltage Control oltage Control
oltage Control oltage Control
oltage Control
knob.
2. Turn the CV/CC
Selector SwitchSelector Switch
Selector SwitchSelector Switch
Selector Switch
(Figure 11) to the
CCCC
CCCC
CC
position.
Figure 11. Welding Current Adjustment
NOTE
When the CV/CC
Selector Switch Selector Switch
Selector Switch Selector Switch
Selector Switch
is in the CV position,
the
Current Control Current Control
Current Control Current Control
Current Control
,
and
Current Range SelectorCurrent Range Selector
Current Range SelectorCurrent Range Selector
Current Range Selector
SwitchSwitch
SwitchSwitch
Switch
functions are inoperative.
NOTE
When the CV/CC
Selector Switch Selector Switch
Selector Switch Selector Switch
Selector Switch
is in the CC position,
the
VV
VV
V
oltage Control oltage Control
oltage Control oltage Control
oltage Control
function is inoperative.
NOTE
When using the
Current ControlCurrent Control
Current ControlCurrent Control
Current Control
knob to adjust the current
output, the outer scale is for the high range, and the inner
scale is for the low range.
3. Set the
CCCC
CCCC
CC
Current Range Selector Switch Current Range Selector Switch
Current Range Selector Switch Current Range Selector Switch
Current Range Selector Switch
to the
desired position (Low/High).
4. Adjust current output, by setting
Current Control Current Control
Current Control Current Control
Current Control
knob
to desired current output.
Auxiliary AC Power
The Auxiliary AC power in most cases will not be affected
by the CV/CC Selector Switch or any controls (Figure 12)
on the front panel, and will supply a stable constant AC
voltage except when the welding mode is activated.
Figure 10. Welding Voltage Adjustment
NOTE
When welding, remember that the output of the AC
AUXILIARY POWER is affected by the welding
operation. See next page for generator output voltage
conditions when welding.
Figure 12. Auxilliary AC Power