Remote 6 Receptacle Information; Section 4 − Operation; Front Panel Controls And Gas Connection - Miller Maxstar 150 STH Manual Del Operador

3-6. Remote 6 Receptacle Information

4-1. Front Panel Controls And Gas Connection

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12
1 Ready Light (LED)
Light comes on approximately two seconds af-
ter power switch is placed in On (I) position if
Lift-Arc On or Stick has been selected. If TIG
Impulse is selected, ready light comes on only
after output is enabled. 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
controlled.
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.
15 VOLTS DC 15 VOLTS DC
OUTPUT
CONTACTOR
REMOTE REMOTE
OUTPUT
CONTROL
CHASSIS
SECTION 4 − OPERATION
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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 set-
ting with a remote control.
Socket Socket Information
6
1 Contactor control +13.8 volts DC.
2 Contact closure to 1 completes contactor control
circuit and enables output when Lift-Arc TIG re-
mote is selected.
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.
6 Chassis common.
4
M a x s ta r 1 5 0 S T H M a x s ta r 1 5 0 S T H
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5
7
8 Power Switch
Place switch in On (I) or Off (0) position as
needed.
9 Gas Fitting
Fittings have 5/8-18 right-hand threads (3/8-19
BSPP on CE units).
10 Cylinder Valve
Open valve slightly so gas flow blows dirt from
valve. Close valve.
11 Regulator/Flowmeter
12 Flow Adjust
Typical flow rate is 15 cubic feet per hour (7.1
liters per minute).
Connect customer supplied gas hose between
regulator/flowmeter and gas fitting .
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2
3
6
Ref. 803 375 / 208 547-A
OM-2242 Page 9