Miller XMT 304 Manuel du propriétaire - Page 26

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6-1. Front Panel Controls

Power Switch

The fan motor is thermostatically

controlled and only runs when cooling is

needed.

Voltmeter (see Section 6-2)

Ammeter (see Section 6-2)

V/A (Voltage/Amperage) Adjustment

Control

Mode Switch

The Mode switch setting determines both the

process and output On/Off control (see Sec-

tion 6-3). Source of control (panel or remote)

for the amount of output is selected on the V/A

Control switch.

For Air Carbon Arc (CAC-A) cutting and goug-

OM-2208 Page 22

SECTION 6 − OPERATION

ing, place switch in Stick position. For best re-

sults, place Inductance/Dig control in the

maximum position.

V/A (Voltage/Amperage) Control Switch

For front panel control, place switch in Panel

position and use the V/A Adjust control.

For remote control, make connections to Re-

mote 14 receptacle, and place switch in Re-

mote position. In most modes, remote control

is a percent of V/A Adjust control setting (val-

ue selected on V/A Adjust is maximum avail-

able on remote). In the MIG mode, remote

control provides full range of unit output re-

gardless of V/A Adjust control setting

Inductance/Dig Control

Control adjusts Dig when Stick or CC mode is

selected on mode switch. When set towards

minimum, short-circuit amperage at low arc

voltage is the same as normal welding

amperage.

When set towards maximum, short-circuit

amperage is increased at low arc voltage to

assist with arc starts as well as reduce stick-

ing while welding (see volt-ampere curves in

Section 4-6).

Select setting best suited for application.

Control adjusts inductance when MIG or

V-Sense Feeder position is selected on the

mode switch. Inductance determines the

"wetness" of the weld puddle. When set to-

wards maximum, "wetness" (puddle fluidity)

increases.

When Pulsed MIG or one of the TIG modes is

selected, this control is not functional.

Ref. ST-175 086