Tweco 300 TS Arcmaster(Feb2006) - Manual (Page 27)

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8 SMART Logic Switch
Manual slide switch mounted on the back panel selects for proper input voltage. If this slide
is not set to the position that matches the input voltage from the electrical source the Smart
Logic circuit will inhibit welding power source output. The digital meter will show primary
input error code.
9 Gas Inlet
The Gas Inlet is a 5/8 – UNF female gas fitting.
4.02 Weld Process Selection for ArcMaster 300 TS
Weld Mode
Weld Process
Selection STICK
HF
TIG
LIFT
TIG Description
STD
Yes Yes Yes
2T operation in TIG Modes using remote devices to
control contactor & current.
SLOPE
No Yes Yes
4T operation in TIG Modes with crater fill using a
remote contactor device to control sequence.
REPEAT
No Yes Yes
4T operation in TIG Modes with repeat operation
and crater fill using a remote contactor device.
SPOT
No Yes No
2T operation spot welding in HF TIG using a
remote contactor device.
PULSE ON/OFF
No Yes Yes Pulse operation in TIG Modes.
Contactor ON/OFF
Yes No Yes Contactor operation in Stick and Lift TIG Mode.
Operation
PANEL/REMOTE
Yes Yes Yes Selects in Operation Panel Board or Remote.
Table 3 – Weld Process Selection verses Weld Mode for ArcMaster 300 TS