Miller Electric Arc Welding Power Source User manual

Quick
Specs
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.
Econotig®Arc Welding
Power Source
Issued April 2003 • Index No. AD/1.2
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.
Process switch automatically
sets machine for TIG or Stick.
Unique “flow-through” shielding
gas TIG torch connection allows
removal of torch without tools.
The Power of Blue® .
Power source is warranted for 3 years, parts and labor.
Original main power rectified parts are warranted for 5 years.
Miller Electric Mfg. Co.
An Illinois Tool Works Company
1635 West Spencer Street
Appleton, WI 54914 USA
Web Site
www.MillerWelds.com
International Headquarters
Phone: [phone]
USA FAX: [phone]
Canadian FAX: [phone]
International FAX: [phone]
Light Industrial Applications
Farm
Ranch
Hobby
Processes
TIG (GTAW)
Stick (SMAW)
Input Power
1-Phase Power
Rated Output at 20% Duty Cycle
TIG: 150 A at 15 VDC, 150 A at 15 VAC
Stick: 130 A at 25 VDC, 150 A at 25 VAC
Amperage Range AC High AC Low DC
TIG: 50 –165 20–50 30–160
Stick: 35 –165 20–50 25–130
Max. Open-Circuit Voltage 78
Weight 140 lb (64 kg)
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)
Preset automatic postflow timer protects
tungsten tip, workpiece and torch.
Automatic high temperature shutdown.
Complete
Package!
Just supply Argon gas,
stick electrodes, filler rod,
gloves and helmet and
you are ready to weld!

200
150
100
60
80
15 20 25 30 40 50 7060 80 90 100
WELDING AMPERES
% DUTY CYCLE
DUTY CYCLE CHART
1
2
4
3
5
7
6
2
Control Panel Performance Data
Specifications (Subject to change without notice.)
1. Range/Polarity Switch
2. Process Switch
3. Amperage Control
4. High Temp Light
5. Remote Receptacle
6. Power Switch
7. International Flow-
Through Receptacle
Rated Output
at 20% Duty Cycle
TIG: 150 A at 15 VDC
150 A at 15 VAC
Stick:130 A at 25 VDC
150 A at 25 VAC
Welding Amperage Range
AC High AC Low DC
TIG Welding Range
50–165 20–50 30– 160
Stick Welding Range
35–165 20–50 25– 130
Max. Open-Circuit Voltage
78
Input Amps
at Rated Output
200 V 60 A
230 V 52 A
460 V 33 A
380 V 39 A
415 V 36 A
Dimensions
H: 18 in (457 mm)
W: 13 in (330 mm)
D: 25-1/2 in (648 mm)
Net Weight
140 lb (64 kg)
Process and Material Thickness Guide
Material and
Weld Output
22 ga
0.033 in
0.8 mm
Steel or
Stainless Steel
Aluminum
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
—
0.25+in
6.3+mm
Material Thickness
Electrode Negative
DCEN TIG (GTAW)
TIG
(GTAW)
Stick
(SMAW)
AC
Not
Recommended
With
DCEP
Output
Difficult
TIG (GTAW)
Recommended

3
Genuine Miller Accessories
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.
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.
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.
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.
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
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.

Litho in USA
Distributed by:
Power Source Stock No. Description Qty. Price
Econotig®#903 422 60 Hz, 200 V
#903 367 60 Hz, 230 V
#903 368 60 Hz, 460 V
#903 423 50 Hz, 380 V, CE
#902 424 50 Hz, 415 V, CE
Accessories
Universal Carrying Cart and Cylinder Rack #042 934
RCC-14 #151 086 Fingertip control
RCCS-14 #043 688 Fingertip control
RHC-14 #129 340 Hand control
RFCS-14 #043 554 Foot control
Replacement Torches See pg 3
Date: Total Quoted Price:
Ordering Information
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.