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The Micro Welder Experts
and then to apply the Sunstone recommended settings. The PA250i will then adjust settings automatically for
that application. Settings can be changed if needed.
Note: The top material refers to the material that comes into contact with the electrode. For battery welds, as an
example, the top material is the tab connecting battery cells, and the bottom material is the battery cell (or can).
Select Materials
Under Material, touch the down arrow buttons to select the metal materials from a drop down list. Both top and
bottom materials will need to be selected before the Preset Settings can be applied.
Select Metal Thicknesses
Under Thickness, touch the down arrow buttons to select the thickness of the two metals using the drop down
menus. Different materials will have different thicknesses available; select the material before selecting the
thicknesses. Both top and bottom metal thicknesses must be selected before Preset Settings can be applied.
Apply Preset/Preset Loaded
Once materials and thicknesses are selected, press the Apply Preset Button to load Sunstone’s recommended
settings.
After the preset is loaded the button text will turn orange and display Preset Loaded.
The button
will remain in this state until settings are changed, at which point it will revert to the gray Apply Preset text.
Waveform Drop-down
Use the Waveform drop down menu to select which waveform shape you would like to use for welding. For more
information on the strengths of each waveform, see the Waveforms section on page 21.
Agitation Drop-down
Use the Agitation drop down menu to select which agitation option you would like to use for welding. Please
note that in classic mode, Sustained Agitation is disabled above 132 Ws, and Sloped Agitation is disabled above
231 Ws. For more information on the benefits of agitation, please see the Agitation section on page 22.
Power/Energy Slider
This slider adjusts the amount of energy that is being applied in the weld to achieve desired results for your
application. If you need more precision, press the Keypad Icon to open the keypad mode. More information
regarding this slider can be found in the Power/ Energy Slider section on page 22.
Length Slider
Use the Length Slider to adjust the length of the weld discharge. See page 23 to learn more about lengths.
Weld Head Control
The Retract and Extend Buttons are used to check that there is an appropriate length of electrode extending
beyond the collet. Once the electrode is in the collet, extending between ½” and 1” beyond the collet, put the