3-7. Remote 6 Receptacle Information
4-1. Front Panel Controls
Socket
Socket Information
1
Contactor c13.8 volts DC.
2
Contact closure to 1 completes contactor control
circuit and enables output when Lift-Arc TIG
remote or TIG impulse is selected.
REMOTE
OUTPUT
CONTROL
3
Output to remote control; +10 volts DC output to
remote control.
4
0 to +10 volts DC input command signal from
remote control.
5
Remote control circuit common.
CHASSIS
6
Chassis common.
Ref. 803 351-C
REMOTE 14
15 VOLTS DC
OUTPUT
CONTACTOR
SECTION 4 – OPERATION
1
Ready Light (LED)
Light comes on approximately two seconds
after power switch is placed in On (I) posi-
tion if Lift-Arc or Stick has been selected. If
TIG Impulse is selected, ready light comes
on only after there is a contact closure. The
light indicates that the unit is energized and
ready for welding. A flashing light indicates
unit is not ready, or that there is a functional
error.
The fan motor is thermostatically con-
trolled.
2
High Temperature Light (LED)
Light comes on if unit overheats. Once unit
has cooled down, welding can resume. If
this light flashes, take unit to an Authorized
Service Agent.
3
Amperage Adjustment Control
This control adjusts welding amperage.
4
Process Select Switch
See Section 4-2.
5
Positive Weld Output Receptacle
For Stick welding, connect electrode cable
to this receptacle. For TIG welding,
connect work cable to this receptacle.
6
Negative Weld Output Receptacle
For Stick welding, connect work cable to this
receptacle. For TIG welding, connect torch
cable to this receptacle.
7
Remote Receptacle
For TIG Impulse or Lift-Arc TIG, output may
be adjusted from min to max of the front
panel setting with remote control.
8
Power Switch
Place switch in On (I) or Off (0) position as
needed.
Ref. 803 375 / 223 269-A
OM-221 022 Page 9
Summary of Contents for MIGHT High Power TIG 150
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