Miller Electric Arc Welding Power Source Users Manual A AD1 2 Econotig

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Econotig

Issued April 2003 • Index No. AD/1.2

®

Quick
Specs

Arc Welding
Power Source

Light Industrial Applications

Processes

Rated Output at 20% Duty Cycle

Farm
Ranch
Hobby

TIG (GTAW)
Stick (SMAW)

TIG: 150 A at 15 VDC, 150 A at 15 VAC
Stick: 130 A at 25 VDC, 150 A at 25 VAC

Input Power

Amperage Range

AC High
TIG: 50 –165
Stick: 35 –165

1-Phase Power

Max. Open-Circuit Voltage
Weight

The Power of Blue .

®

Complete
Package!

Upgraded circuitry gives you finer TIG output
adjustment with the remote foot or fingertip
control. If you need more output while using
the remote control, simply increase the
setting of the front panel amperage control.

AC Low
20–50
20–50

DC
30–160
25–130

78

140 lb (64 kg)

Just supply Argon gas,
stick electrodes, filler rod,
gloves and helmet and
you are ready to weld!

Comes Complete With:
Power source with primary cord
(plug provided on 230 V model)
DB1712RDI TIG torch with backcap,
ceramic gas cup, 3/32 in (2.4 mm)
collet and collet body, and 2%
thoriated tungsten
International-style quick-connect torch
12 ft (3.7 m) work cable and clamp
Stick electrode holder with 15 ft
(4.6 m) cable
RFCS-14 foot-operated remote
control with 20 ft (6 m) cord
Gas regulator, flowmeter and
12-1/2 ft (3.8 m) shielding gas hose
“How-To” DVD (in English and
Spanish)

AC output for superior aluminum welding
and DC output for mild and stainless steel.
Four-position polarity
and range selector
switch offers two AC
current ranges, DC
electrode (–) for TIG,
and DC electrode (+)
for Stick.
Special arc starting
circuitry eliminates
high- frequency starts.
Built-in arc assist starter
for DC TIG.
Built-in arc assist stabilizer
for AC TIG on aluminum.

Preset automatic postflow timer protects
tungsten tip, workpiece and torch.

Process switch automatically
sets machine for TIG or Stick.

Automatic high temperature shutdown.
Unique “flow-through” shielding
gas TIG torch connection allows
removal of torch without tools.
Power source is warranted for 3 years, parts and labor.
Original main power rectified parts are warranted for 5 years.

Miller Electric Mfg. Co.

International Headquarters

Web Site

An Illinois Tool Works Company
1635 West Spencer Street
Appleton, WI 54914 USA

Phone: 920-735-4505
USA FAX: 920-735-4134
Canadian FAX: 920-735-4169
International FAX: 920-735-4125

www.MillerWelds.com

Specifications

(Subject to change without notice.)

Rated Output
at 20% Duty Cycle

Welding Amperage Range
AC High AC Low DC

TIG: 150 A at 15 VDC
150 A at 15 VAC

TIG Welding Range
50 – 165 20 – 50

Stick:130 A at 25 VDC
150 A at 25 VAC

Stick Welding Range
35 – 165 20 – 50 25 – 130

Max. Open-Circuit Voltage
78

Input Amps
at Rated Output
200 V
230 V
460 V
380 V
415 V

30 – 160

60 A
52 A
33 A
39 A
36 A

Dimensions

Net Weight

H: 18 in (457 mm)
W: 13 in (330 mm)
D: 25-1/2 in (648 mm)

140 lb (64 kg)

Process and Material Thickness Guide
Material Thickness
Material and
Weld Output
Steel or
Stainless Steel
DCEN Electrode Negative

22 ga
0.033 in
0.8 mm

20 ga
0.036 in
0.9 mm

18 ga
0.048 in
1.2 mm

16 ga
0.06 in
1.5 mm

14 ga
0.07 in
1.8 mm

12 ga
0.1 in
2.5 mm

11 ga
0.125 in
3.2 mm

10 ga
0.14 in
3.6 mm

6 ga
0.186 in
4.8 mm

2 ga
0.25 in
6.3 mm
Stick
(SMAW)

TIG (GTAW)

TIG (GTAW)

Aluminum

Difficult

TIG
(GTAW)

Recommended

AC

Control Panel

—
0.25+ in
6.3+ mm
With
DCEP
Output
Not
Recommended

Performance Data
DUTY CYCLE CHART
1

Range/Polarity Switch
Process Switch
Amperage Control
High Temp Light
Remote Receptacle
Power Switch
International FlowThrough Receptacle

2

3

6

7

WELDING AMPERES

1.
2.
3.
4.
5.
6.
7.

200

150

100
80

60
15

20

25 30

40

50 60 70 80 90 100

% DUTY CYCLE
4

5

2

Genuine Miller Accessories
RCCS-14 Remote Contactor and
Current Control #043 688
North and South rotary-motion fingertip
control fastens to TIG torch using two
Velcro® straps. Includes 28 ft (8.5 m)
control cord. Great for applications that
require a finer amperage control.

Replacement Torches
Note: Torches are available through your local
welding distributor.

DB1712RDI
12 ft (3.7 m), 150 A air-cooled, flow thru
TIG torch
DI-917F #194 722
Flow thru connector

Universal Carrying Cart and Cylinder Rack
#042 934
This cart adds convenience to the Econotig
package. The power source mounts securely
to the top, and a cylinder rack supports the
argon cylinder. The bottom tray can hold
electrode leads or welding hood, gloves,
etc. Cylinder rack will accommodate 6 – 9 in
(152 – 228 mm) diameter, and 24 – 56 in
(610 –1422 mm) high cylinders. The cart
also supports five standard TIG filler metal
tubes and one Stick welding rod tube. Net
shipping weight is 69 lbs (31 kg).

RCC-14 Remote Contactor and Current
Control #151 086
Comes standard with 50 Hz units.
A fingertip control can be used instead of
the supplied remote foot control. Useful
when welding where a foot control cannot
be used.

Torches are equipped with “quick-connect”
International-style connector. “Flow-through”
shielding gas TIG torch connection allows
complete removal of torch without using
any tools.
RHC-14 Hand Control #129 340
Miniature hand control for remote current
and contactor control. Dimensions: 4 in
(102 mm) x 4 in (102 mm) x 3-1/4 in
(82 mm). Includes 20 ft (6 m) cord and
14-pin plug.

RFCS-14 Foot Control #043 554
Comes standard with 60 Hz units.
Foot current and contactor control.
Includes 20 ft (6 m) cord and 14-pin plug.

Side-to-side rotary-motion fingertip control
fastens to TIG torch using two Velcro®
straps. Includes 28 ft (8.5 m) control cord.
Great for production or contractors that
need quick ramp-up.

3

Ordering Information
Power Source

Stock No.

Description

Econotig

#903 422
#903 367
#903 368
#903 423
#902 424

60 Hz, 200 V
60 Hz, 230 V
60 Hz, 460 V
50 Hz, 380 V, CE
50 Hz, 415 V, CE

®

Qty.

Accessories
Universal Carrying Cart and Cylinder Rack
RCC-14
RCCS-14
RHC-14
RFCS-14
Replacement Torches

#042 934
#151 086
#043 688
#129 340
#043 554

Fingertip control
Fingertip control
Hand control
Foot control
See pg 3

Date:

Total Quoted Price:

60 Hz models are certified by Canadian Standards Association to both Canadian and U.S. requirements.
50 Hz models come with RCC-14 fingertip control instead of RFCS-14 foot control, and include 25 ft (7.6 m)
TIG torch instead of 12-1/2 ft (3.8 m) model. Gas regulator not included.

Distributed by:

Litho in USA

Price



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Title                           : A AD1-2 Econotig.qxd

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