Tweco 400 MSTP Arcmaster - Manual (Page 29)

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WARNING 6
When the welder is connected to the Primary supply voltage, the internal electrical components may be at
500V potential with respect to earth.
7. Input Cable
The input cable connects the Primary supply voltage to the equipment.
8. Voltage Input Select Switch (Smart Logic Switch)
User selectable switch.
A manual slide switch selects the proper input voltage range. If this slide switch is not set to the position that
matches the input line voltage, the Smart Logic will inhibit the welding power source from turning on and a warning
indication will be displayed
WARNING 7
Do not alter the position of the Voltage Input Select Switch when the ON/OFF Switch is in the ON position
and the unit is powered up.
9. 14/19 Pin Remote Control Select Switch
User selectable switch.
Position this switch for the remote control device socket to be utilized. The unselected Remote Control Socket is
disabled at this time and cannot be utilized. Do not alter the position of this switch while one of the Remote Control
Sockets is being utilized.
10. 24VAC Remote Device C/B
Push to reset. Controls the 24VAC power source for the wire feeders controlled through the Remote Control
Sockets.
11. 115VAC Remote Device C/B
Push to reset. Controls the 115VAC power source for the wire feeders controlled through the Remote Control
Sockets.