Hobart Welding Products 150 STI Operation, Remote 6 Receptacle Information, Front Panel Controls

4-6. Remote 6 Receptacle Information

Ref. 803 351-D

6	Socket	Socket Information
	1	Contactor control +13.8 volts DC.
15 VOLTS DC
OUTPUT	2	Contact closure to 1 completes contactor control
		circuit and enables output when Lift-Arc TIG re-
CONTACTOR
		mote is selected.
	3	Output to remote control; +10 volts DC output to
		remote control.
REMOTE	4	0 to +10 volts DC input command signal from
OUTPUT
		remote control.
CONTROL
	5	Remote control circuit common.
CHASSIS	6	Chassis common.

SECTION 5 − OPERATION

5-1. Front Panel Controls

1 Ready Light

Light comes on approximately two seconds af- ter power switch is placed in On (I) position if Lift-Arc or Stick has been selected. The light in- dicates that the unit is energized and ready for welding. A flashing light indicates unit is not ready, or that there is a functional error.

4

8

5

Ref. 803 375 / Ref. 218 320

1

2

3

6

7

.The fan motor is thermostatically controlled.

2 High Temperature Light

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.

3Amperage Adjustment Control This control adjusts welding amperage.

4Process Select Switch See Section 5-2.

5Positive 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 Lift-Arc TIG, output may be adjusted from min to max of the front panel setting with a re- mote control. Also enables output in Lift-Arc re- mote process (see Section 4-6).

8 Power Switch

Place switch in On (I) or Off (0) position as needed.

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