Miller Electric Dimension 1000 Manuel d'utilisateur télécharger pdf (Page 29)

OM-2223 Page 25

SECTION 5 − OPERATION

5-1. Controls

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1 Arc Force (Dig) Control

Control increases SMAW short-circuit

amperage which allows the operator to use

a very short arc length without sticking the

electrode.

Set control at 0 for normal welding amper-

age. Turn clockwise to increase short-circuit

amperage.

2 Process Selector Switch

• Sub Arc Mode − For SAW (Sub Arc) ap-

plications. NOTE: Use the (+) High Induc-

tance (Submerged Arc) terminal.

• CC Mode − For SMAW (Stick), GTAW

(TIG) − scratch start only, or SAW (Sub-

Arc) applications. NOTE: For best results,

use the Positive (+) High Inductance (Sub-

merged Arc) weld output terminal.

• CV Mode − For FCAW (Flux Cored) ap-

plications.

3 Amperage/Voltage Adjustment Control

When Process Selector switch is in the

Constant Current position, turn control

clockwise to increase amperage. Read am-

perage from outer scale of control. When

Process Selector switch is in the Constant

Voltage position, turn control clockwise to in-

crease voltage. Voltmeter value changes as

control knob is turned. Control can be ad-

justed while welding.

4 Digital Meters

With Process Selector switch in the

Constant Current position, digital meters will

read 0 (zero) with contactor off. Digital me-

ters will display actual output voltage and

amperage with contactor on.

With Process Selector switch in the

Constant Voltage position, voltmeter dis-

plays preset voltage with contactor off. Volt-

meter and ammeter display actual output

voltage and amperage with contactor on.

5 Power Switch With Indicator Light

6 High Temperature Shutdown Light

7 Remote Amperage/Voltage Control

Switch

• For front panel control, place switch in

Panel position. With Control switch in the

Panel position and Process switch in the

CC position, Hot Start is energized for

ACA (Air Carbon Arc Gouging) and

SMAW (Stick) welding. When Hot Start is

energized, higher short-circuit amperage

helps arc starting. After arc starts, the Am-

perage/Voltage control setting determines

weld amperage.

• For remote control, place switch in Re-

mote position, and connect remote device

(see Section 4-11). NOTE: Hot Start is not

energized when switch is in the Remote

position.

8 Output Switch (Contactor)

For front panel control of output, place switch

in Panel position. For remote control of out-

put, place switch in Remote position, and

connect remote device (see

Section 4-11).

! Weld output studs are energized only

when Output switch is in On position,

or while welding.

! Turn Off power before connecting re-

mote device.

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