Miller HF 5000 CE Owner's manual

Category
Welding System
Type
Owner's manual

This manual is also suitable for

Processes
TIG (GTAW) Welding
HF 5000
CE
OM235241G 2020-05
Description
OWNER’S MANUAL
Stick (SMAW) Welding
For product information,
Owner’s Manual translations,
and more, visit
www.MillerWelds.com
Thank you and congratulations on choosing Miller. Now you can get the
job done and get it done right. We know you don’t have time to do it any
other way.
That’s why when Niels Miller first started building arc welders in 1929,
he made sure his products offered long-lasting value and superior quality.
Like you, his customers couldn’t afford anything less. Miller products had
to be more than the best they could be. They had to be the best you could
buy.
Today, the people that build and sell Miller products continue the
tradition. They’re just as committed to providing equipment and service
that meets the high standards of quality and value established in 1929.
This Owners Manual is designed to help you get the most out of your
Miller products. Please take time to read the Safety Precautions. They
will help you protect yourself against potential hazards on the worksite.
We’ve made installation and operation quick and easy. With Miller, you
can count on years of reliable service with proper maintenance. And if for
some reason the unit needs repair, there’s a Troubleshooting section that
will help you figure out what the problem is, and our extensive service
network is there to help fix the problem. Warranty and maintenance
information for your particular model are also provided.
Miller Electric manufactures a full line of
welders and welding-related equipment. For
information on other quality Miller products, contact your local Miller
distributor to receive the latest full line catalog or individual catalog sheets.
Working as hard as you do
every power source from
Miller is backed by the most
hassle-free warranty in the
business.
From Miller to You
Milan_Thank
201901
TABLE OF CONTENTS
SECTION 1 SAFETY PRECAUTIONS - READ BEFORE USING 1...................................
1-1. Symbol Usage 1........................................................................
1-2. Arc Welding Hazards 1..................................................................
1-3. Additional Hazards For Installation, Operation, And Maintenance 3..............................
1-4. California Proposition 65 Warnings 4.......................................................
1-5. Principal Safety Standards 4.............................................................
1-6. EMF Information 4......................................................................
SECTION 2 DEFINITIONS 5...................................................................
2-1. Additional Safety Symbols And Definitions 5................................................
2-2. Miscellaneous Symbols And Definitions 6...................................................
SECTION 3 SPECIFICATIONS 8................................................................
3-1. Serial Number And Rating Label Location 8.................................................
3-2. Software Licensing Agreement 8..........................................................
3-3. Information About Default Weld Parameters And Settings 8....................................
3-4. Specifications 8........................................................................
3-5. Environmental Specifications 8...........................................................
3-6. Duty Cycle And Overheating 9............................................................
SECTION 4 INSTALLATION 10..................................................................
4-1. Selecting Cable Sizes 10.................................................................
4-2. Installing Gas Supply 11..................................................................
4-3. Connecting Remote Control 11............................................................
4-4. Rear Panel Receptacle Information 12......................................................
4-5. Front Panel Receptacle Information 12......................................................
4-6. Typical Connection To Power Source 13.....................................................
4-7. Input Power Connection 13................................................................
SECTION 5 OPERATION 14....................................................................
5-1. Front Panel Controls 14...................................................................
5-2. Initial Setup 15..........................................................................
5-3. Memory Control 16......................................................................
5-4. Resetting Unit To Factory Default Settings 17................................................
5-5. Selecting Remote Control 17..............................................................
5-6. 2T Or 4T Trigger Mode Selection 18........................................................
5-7. Process Control 19......................................................................
5-8. Pulse Control 20.........................................................................
5-9. Sequence Control 21.....................................................................
5-10. Lift-ArcAnd HF TIG Start Procedures 22...................................................
SECTION 6 MAINTENANCE AND TROUBLESHOOTING 23........................................
6-1. Routine Maintenance 23..................................................................
6-2. Troubleshooting Table 23.................................................................
6-3. Temperature/Ammeter Help Displays 24.....................................................
SECTION 7 ELECTRICAL DIAGRAMS 25........................................................
SECTION 8 HIGH FREQUENCY 27..............................................................
8-1. Welding Processes Requiring High Frequency 27.............................................
8-2. Installation Showing Possible Sources Of HF Interference 27...................................
8-3. Recommended Installation To Reduce HF Interference 28......................................
SECTION 9 SELECTING AND PREPARING A TUNGSTEN FOR DC OR AC WELDING
WITH INVERTER MACHINES 29.....................................................
9-1. Selecting Tungsten Electrode (Wear Clean Gloves To Prevent Contamination Of Tungsten) 29.......
9-2. Preparing Tungsten Electrode For DC Electrode Negative (DCEN) Welding
Or AC Welding With Inverter Machines 30...................................................
SECTION 10 PARTS LIST 32...................................................................
WARRANTY
OM-235241 Página 1
SECTION 1 SAFETY PRECAUTIONS - READ BEFORE USING
som 202002
7
Protect yourself and others from injury — read, follow, and save these important safety precautions and operating instructions.
1-1. Symbol Usage
DANGER! Indicates a hazardous situation which, if
not avoided, will result in death or serious injury. The
possible hazards are shown in the adjoining symbols
or explained in the text.
Indicates a hazardous situation which, if not avoided,
could result in death or serious injury. The possible
hazards are shown in the adjoining symbols or ex-
plained in the text.
NOTICE Indicates statements not related to personal injury.
. Indicates special instructions.
This group of symbols means Warning! Watch Out! ELECTRIC
SHOCK, MOVING PARTS, and HOT PARTS hazards. Consult sym-
bols and related instructions below for necessary actions to avoid
these hazards.
1-2. Arc Welding Hazards
The symbols shown below are used throughout this manual
to call attention to and identify possible hazards. When you
see the symbol, watch out, and follow the related instructions
to avoid the hazard. The safety information given below is
only a summary of the more complete safety information
found in the Principal Safety Standards listed in Section 1-5.
Read and follow all Safety Standards.
Only qualified persons should install, operate, maintain, and
repair this equipment. A qualified person is defined as one
who, by possession of a recognized degree, certificate, or
professional standing, or who by extensive knowledge, train-
ing and experience, has successfully demonstrated the
ability to solve or resolve problems relating to the subject
matter, the work, or the project and has received safety train-
ing to recognize and avoid the hazards involved.
During operation, keep everybody, especially children, away.
Touching live electrical parts can cause fatal shocks
or severe burns. The electrode and work circuit is
electrically live whenever the output is on. The input
power circuit and machine internal circuits are also
live when power is on. In semiautomatic or automatic
wire welding, the wire, wire reel, drive roll housing,
and all metal parts touching the welding wire are
electrically live. Incorrectly installed or improperly
grounded equipment is a hazard.
D Do not touch live electrical parts.
ELECTRIC SHOCK can kill.
D Wear dry, hole-free insulating gloves and body protection.
D Insulate yourself from work and ground using dry insulating mats
or covers big enough to prevent any physical contact with the work
or ground.
D Do not use AC weld output in damp, wet, or confined spaces, or if
there is a danger of falling.
D Use AC output ONLY if required for the welding process.
D If AC output is required, use remote output control if present on
unit.
D
Additional
safety precautions are required when any of the follow-
ing electrically hazardous conditions are present: in damp
locations or while wearing wet clothing; on metal structures such
as floors, gratings, or scaffolds; when in cramped positions such
as sitting, kneeling, or lying; or when there is a high risk of unavoid-
able or accidental contact with the workpiece or ground. For these
conditions, use the following equipment in order presented: 1) a
semiautomatic
DC constant voltage (wire) welder, 2) a DC manual
(stick) welder, or 3) an AC welder with reduced open-circuit volt-
age. In most situations, use of a DC, constant voltage wire welder
is recommended. And, do not work alone!
D Disconnect input power or stop engine before installing or
servicing this equipment. Lockout/tagout input power according to
OSHA 29 CFR 1910.147 (see Safety Standards).
D Properly install, ground, and operate this equipment according to
its Owners Manual and national, state, and local codes.
D Always verify the supply ground check and be sure that input
power cord ground wire is properly connected to ground terminal in
disconnect box or that cord plug is connected to a properly
grounded receptacle outlet.
D When making input connections, attach proper grounding conduc-
tor first double-check connections.
D Keep cords dry, free of oil and grease, and protected from hot metal
and sparks.
D Frequently inspect input power cord and ground conductor for
damage or bare wiring – replace immediately if damaged – bare
wiring can kill.
D Turn off all equipment when not in use.
D Do not use worn, damaged, undersized, or repaired cables.
D Do not drape cables over your body.
D If earth grounding of the workpiece is required, ground it directly
with a separate cable.
D Do not touch electrode if you are in contact with the work, ground,
or another electrode from a different machine.
D Do not touch electrode holders connected to two welding ma-
chines at the same time since double open-circuit voltage will be
present.
D Use only well-maintained equipment. Repair or replace damaged
parts at once. Maintain unit according to manual.
D Wear a safety harness if working above floor level.
D Keep all panels and covers securely in place.
D Clamp work cable with good metal-to-metal contact to workpiece
or worktable as near the weld as practical.
D Insulate work clamp when not connected to workpiece to prevent
contact with any metal object.
D Do not connect more than one electrode or work cable to any
single weld output terminal. Disconnect cable for process not in
use.
D Use GFCI protection when operating auxiliary equipment in damp
or wet locations.
SIGNIFICANT DC VOLTAGE exists in inverter weld-
ing power sources AFTER removal of input power.
D Turn off unit, disconnect input power, and discharge input capaci-
tors according to instructions in Manual before touching any parts.
HOT PARTS can burn.
D Do not touch hot parts bare handed.
D Allow cooling period before working on
equipment.
D To handle hot parts, use proper tools and/or wear heavy, insu-
lated welding gloves and clothing to prevent burns.
OM-235241 Página 2
Welding produces fumes and gases. Breathing
these fumes and gases can be hazardous to your
health.
FUMES AND GASES can be hazardous.
D Keep your head out of the fumes. Do not breathe the fumes.
D Ventilate the work area and/or use local forced ventilation at the arc
to remove welding fumes and gases. The recommended way to
determine adequate ventilation is to sample for the composition
and quantity of fumes and gases to which personnel are exposed.
D If ventilation is poor, wear an approved air-supplied respirator.
D Read and understand the Safety Data Sheets (SDSs) and the
manufacturers instructions for adhesives, coatings, cleaners,
consumables, coolants, degreasers, fluxes, and metals.
D Work in a confined space only if it is well ventilated, or while
wearing an air-supplied respirator. Always have a trained watch-
person nearby. Welding fumes and gases can displace air and
lower the oxygen level causing injury or death. Be sure the breath-
ing air is safe.
D Do not weld in locations near degreasing, cleaning, or spraying op-
erations. The heat and rays of the arc can react with vapors to form
highly toxic and irritating gases.
D Do not weld on coated metals, such as galvanized, lead, or
cadmium plated steel, unless the coating is removed from the weld
area, the area is well ventilated, and while wearing an air-supplied
respirator. The coatings and any metals containing these elements
can give off toxic fumes if welded.
Arc rays from the welding process produce intense
visible and invisible (ultraviolet and infrared) rays
that can burn eyes and skin. Sparks fly off from the
weld.
D Wear an approved welding helmet fitted with a proper shade of
filter lenses to protect your face and eyes from arc rays and
sparks when welding or watching (see ANSI Z49.1 and Z87.1
listed in Safety Standards).
D Wear approved safety glasses with side shields under your
helmet.
D Use protective screens or barriers to protect others from flash,
glare and sparks; warn others not to watch the arc.
D Wear body protection made from durable, flameresistant mate-
rial (leather, heavy cotton, wool). Body protection includes
oil-free clothing such as leather gloves, heavy shirt, cuffless
trousers, high shoes, and a cap.
ARC RAYS can burn eyes and skin.
Welding on closed containers, such as tanks,
drums, or pipes, can cause them to blow up. Sparks
can fly off from the welding arc. The flying sparks, hot
workpiece, and hot equipment can cause fires and
burns. Accidental contact of electrode to metal objects can cause
sparks, explosion, overheating, or fire. Check and be sure the area is
safe before doing any welding.
WELDING can cause fire or explosion.
D Remove all flammables within 35 ft (10.7 m) of the welding arc. If
this is not possible, tightly cover them with approved covers.
D Do not weld where flying sparks can strike flammable material.
D Protect yourself and others from flying sparks and hot metal.
D Be alert that welding sparks and hot materials from welding can
easily go through small cracks and openings to adjacent areas.
D Watch for fire, and keep a fire extinguisher nearby.
D Be aware that welding on a ceiling, floor, bulkhead, or partition can
cause fire on the hidden side.
D Do not cut or weld on tire rims or wheels. Tires can explode if heat-
ed. Repaired rims and wheels can fail. See OSHA 29 CFR
1910.177 listed in Safety Standards.
D Do not weld on containers that have held combustibles, or on
closed containers such as tanks, drums, or pipes unless they are
properly prepared according to AWS F4.1 and AWS A6.0 (see
Safety Standards).
D Do not weld where the atmosphere can contain flammable dust,
gas, or liquid vapors (such as gasoline).
D Connect work cable to the work as close to the welding area as
practical to prevent welding current from traveling long, possibly
unknown paths and causing electric shock, sparks, and fire
hazards.
D Do not use welder to thaw frozen pipes.
D Remove stick electrode from holder or cut off welding wire at
contact tip when not in use.
D Wear body protection made from durable, flameresistant material
(leather, heavy cotton, wool). Body protection includes oil-free
clothing such as leather gloves, heavy shirt, cuffless trousers, high
shoes, and a cap.
D Remove any combustibles, such as a butane lighter or matches,
from your person before doing any welding.
D After completion of work, inspect area to ensure it is free of sparks,
glowing embers, and flames.
D Use only correct fuses or circuit breakers. Do not oversize or by-
pass them.
D Follow requirements in OSHA 1910.252 (a) (2) (iv) and NFPA 51B
for hot work and have a fire watcher and extinguisher nearby.
D Read and understand the Safety Data Sheets (SDSs) and the
manufacturers instructions for adhesives, coatings, cleaners,
consumables, coolants, degreasers, fluxes, and metals.
FLYING METAL or DIRT can injure eyes.
D Welding, chipping, wire brushing, and grinding
cause sparks and flying metal. As welds cool,
they can throw off slag.
D Wear approved safety glasses with side
shields even under your welding helmet.
BUILDUP OF GAS can injure or kill.
D Shut off compressed gas supply when not in use.
D Always ventilate confined spaces or use
approved air-supplied respirator.
ELECTRIC AND MAGNETIC FIELDS (EMF)
can affect Implanted Medical Devices.
D Wearers of Pacemakers and other Implanted
Medical Devices should keep away.
D Implanted Medical Device wearers should consult their doctor
and the device manufacturer before going near arc welding, spot
welding, gouging, plasma arc cutting, or induction heating
operations.
Noise from some processes or equipment can
damage hearing.
D Wear approved ear protection if noise lev-
el is high.
NOISE can damage hearing.
OM-235241 Página 3
Compressed gas cylinders contain gas under high
pressure. If damaged, a cylinder can explode. Since
gas cylinders are normally part of the welding
process, be sure to treat them carefully.
CYLINDERS can explode if damaged.
D Protect compressed gas cylinders from excessive heat, mechani-
cal shocks, physical damage, slag, open flames, sparks, and arcs.
D Install cylinders in an upright position by securing to a stationary
support or cylinder rack to prevent falling or tipping.
D Keep cylinders away from any welding or other electrical circuits.
D Never drape a welding torch over a gas cylinder.
D Never allow a welding electrode to touch any cylinder.
D Never weld on a pressurized cylinder explosion will result.
D Use only correct compressed gas cylinders, regulators, hoses,
and fittings designed for the specific application; maintain them
and associated parts in good condition.
D Turn face away from valve outlet when opening cylinder valve. Do
not stand in front of or behind the regulator when opening the valve.
D Keep protective cap in place over valve except when cylinder is in
use or connected for use.
D Use the proper equipment, correct procedures, and sufficient
number of persons to lift, move, and transport cylinders.
D Read and follow instructions on compressed gas cylinders,
associated equipment, and Compressed Gas Association (CGA)
publication P-1 listed in Safety Standards.
1-3. Additional Hazards For Installation, Operation, And Maintenance
FIRE OR EXPLOSION hazard.
D Do not install or place unit on, over, or near
combustible surfaces.
D Do not install unit near flammables.
D Do not overload building wiring be sure power supply system is
properly sized, rated, and protected to handle this unit.
FALLING EQUIPMENT can injure.
D Use lifting eye to lift unit only, NOT running
gear, gas cylinders, or any other accessories.
D Use correct procedures and equipment of ade-
quate capacity to lift and support unit.
D If using lift forks to move unit, be sure forks are long enough to
extend beyond opposite side of unit.
D Keep equipment (cables and cords) away from moving vehicles
when working from an aerial location.
D Follow the guidelines in the Applications Manual for the Revised
NIOSH Lifting Equation (Publication No. 94110) when manu-
ally lifting heavy parts or equipment.
OVERUSE can cause OVERHEATING
D Allow cooling period; follow rated duty cycle.
D Reduce current or reduce duty cycle before
starting to weld again.
D Do not block or filter airflow to unit.
FLYING SPARKS can injure.
D Wear a face shield to protect eyes and face.
D Shape tungsten electrode only on grinder with
proper guards in a safe location wearing proper
face, hand, and body protection.
D Sparks can cause fires — keep flammables away.
STATIC (ESD) can damage PC boards.
D Put on grounded wrist strap BEFORE handling
boards or parts.
D Use proper static-proof bags and boxes to
store, move, or ship PC boards.
MOVING PARTS can injure.
D Keep away from moving parts.
D Keep away from pinch points such as drive
rolls.
WELDING WIRE can injure.
D Do not press gun trigger until instructed to do
so.
D Do not point gun toward any part of the body,
other people, or any metal when threading
welding wire.
BATTERY EXPLOSION can injure.
D Do not use welder to charge batteries or jump
start vehicles unless it has a battery charging
feature designed for this purpose.
MOVING PARTS can injure.
D Keep away from moving parts such as fans.
D Keep all doors, panels, covers, and guards
closed and securely in place.
D Have only qualified persons remove doors, panels, covers, or
guards for maintenance and troubleshooting as necessary.
D Reinstall doors, panels, covers, or guards when maintenance is
finished and before reconnecting input power.
READ INSTRUCTIONS.
D Read and follow all labels and the Owners
Manual carefully before installing, operating, or
servicing unit. Read the safety information at
the beginning of the manual and in each
section.
D Use only genuine replacement parts from the manufacturer.
D Perform installation, maintenance, and service according to the
Owner’s Manuals, industry standards, and national, state, and
local codes.
OM-235241 Página 4
H.F. RADIATION can cause interference.
D High-frequency (H.F.) can interfere with radio
navigation,
safety services, computers, and
communications equipment.
D Have only qualified persons familiar with electronic equipment
perform this installation.
D The user is responsible for having a qualified electrician prompt-
ly correct any interference problem resulting from the installa-
tion.
D If notified by the FCC about interference, stop using the
equipment at once.
D Have the installation regularly checked and maintained.
D Keep high-frequency source doors and panels tightly shut, keep
spark gaps at correct setting, and use grounding and shielding to
minimize the possibility of interference.
ARC WELDING can cause interference.
D
Electromagnetic
energy can interfere with
sensitive electronic equipment such as
computers and computer-driven equipment
such as robots.
D Be sure all equipment in the welding area is electromagnetically
compatible.
D To reduce possible interference, keep weld cables as short as
possible, close together, and down low, such as on the floor.
D Locate welding operation 100 meters from any sensitive elec-
tronic equipment.
D Be sure this welding machine is installed and grounded
according to this manual.
D If interference still occurs, the user must take extra measures
such as moving the welding machine, using shielded cables,
using line filters, or shielding the work area.
1-4. California Proposition 65 Warnings
WARNING: This product can expose you to chemicals in-
cluding lead, which are known to the state of California to
cause cancer and birth defects or other reproductive
harm.
For more information, go to www.P65W
arnings.ca.gov
.
1-5. Principal Safety Standards
Safety in Welding, Cutting, and Allied Processes, American Welding
Society standard ANSI Standard Z49.1. Website: www.aws.org.
Safe Practice For Occupational And Educational Eye And Face Protec-
tion, ANSI Standard Z87.1 from American National Standards Institute.
Website: www.ansi.org.
Safe Practices for the Preparation of Containers and Piping for Welding
and Cutting, American Welding Society Standard AWS F4.1 from Glob-
al Engineering Documents. Website: www
.global.ihs.com.
Safe Practices for Welding and Cutting Containers that have Held Com-
bustibles, American Welding Society Standard AWS A6.0 from Global
Engineering Documents. Website: www.global.ihs.com.
National Electrical Code, NFPA Standard 70 from National Fire Protection
Association. Website: www.nfpa.org and www. sparky.org.
Safe Handling of Compressed Gases in Cylinders, CGA Pamphlet P-1
from Compressed Gas Association. Website:www.cganet.com.
Safety in Welding, Cutting, and Allied Processes, CSA Standard
W117.2 from Canadian Standards Association.
Website: www.csagroup.org.
Standard for Fire Prevention During Welding, Cutting, and Other Hot
Work, NFPA Standard 51B from National Fire Protection Association.
Website: www.nfpa.org.
OSHA Occupational Safety and Health Standards for General Industry,
Title 29, Code of Federal Regulations (CFR), Part 1910.177 Subpart N, Part
1910 Subpart Q, and Part 1926, Subpart J. Website: www.osha.gov.
OSHA Important Note Regarding the ACGIH TLV, Policy Statement on
the Uses of TLVs and BEIs. Website: www.osha.gov.
Applications Manual for the Revised NIOSH Lifting Equation from the
National Institute for Occupational Safety and Health (NIOSH).
Website: www.cdc.gov/NIOSH.
1-6. EMF Information
Electric current flowing through any conductor causes localized electric
and magnetic fields (EMF). The current from arc welding (and allied pro-
cesses including spot welding, gouging, plasma arc cutting, and
induction heating operations) creates an EMF field around the welding
circuit. EMF fields can interfere with some medical implants, e.g. pace-
makers. Protective measures for persons wearing medical implants
have to be taken. For example, restrict access for passersby or con-
duct individual risk assessment for welders. All welders should use the
following procedures in order to minimize exposure to EMF fields from
the welding circuit:
1. Keep cables close together by twisting or taping them, or using a
cable cover.
2. Do not place your body between welding cables. Arrange cables
to one side and away from the operator.
3. Do not coil or drape cables around your body.
4. Keep head and trunk as far away from the equipment in the
welding circuit as possible.
5. Connect work clamp to workpiece as close to the weld as
possible.
6. Do not work next to, sit or lean on the welding power source.
7. Do not weld whilst carrying the welding power source or wire
feeder.
About Implanted Medical Devices:
Implanted Medical Device wearers should consult their doctor and the
device manufacturer before performing or going near arc welding, spot
welding, gouging, plasma arc cutting, or induction heating operations.
If cleared by your doctor, then following the above procedures is recom-
mended.
OM-235241 Página 5
SECTION 2 DEFINITIONS
2-1. Additional Safety Symbols And Definitions
Warning! Watch Out! There are possible hazards as shown by the symbols.
Safe1 201205
Wear dry insulating gloves. Do not touch electrode with bare hand. Do not wear wet or damaged gloves.
Safe2 201704
Protect yourself from electric shock by insulating yourself from work and ground.
Safe3 201704
Disconnect input plug or power before working on machine.
Safe5 201704
Keep your head out of the fumes.
Safe6 201704
Use forced ventilation or local exhaust to remove the fumes.
Safe8 201205
Use ventilating fan to remove fumes.
Safe10 201205
Keep flammables away from welding. Do not weld near flammables.
Safe12 201205
Welding sparks can cause fires. Have a fire extinguisher nearby, and have a watchperson ready to use it.
Safe14 201205
Do not remove or paint over (cover) the label.
Safe20 201704
OM-235241 Página 6
Do not weld on drums or any closed containers.
Safe16 201704
Do not discard product (where applicable) with general waste.
Reuse or recycle Waste Electrical and Electronic Equipment (WEEE) by disposing at a designated collection
facility.
Contact your local recycling office or your local distributor for further information.
Safe37 201704
Wear hat and safety glasses. Use ear protection and button shirt
collar. Use welding helmet with correct shade of filter. Wear complete
body protection.
Safe38 201205
Become trained and read the instructions before working on the
machine or welding.
Safe40 201205
2-2. Miscellaneous Symbols And Definitions
A
Amperes
V
Volts
Alternating
Current
Protective Earth
(Ground)
Remote
On
Off
Single Phase
Line Connection
Water (Coolant)
Input
Water (Coolant)
Output
Voltage Input
Increase
Decrease
HF Start (TIG)
Remote Standard
(2T Trigger Mode)
Remote
(4T Trigger Mode)
Lift-Arc (TIG)
Gas Tungsten Arc
Welding (GTAW)
Shielded Metal
Arc
Welding (SMAW)
I
1
Primary Current
U
1
Primary Voltage
1max
Rated Maximum
Supply Current
1eff
Maximum
Effective
Supply Current
I
2
Rated Welding
Current
Up
Voltage Peak
Suitable For
Areas Of
Increased Shock
Hazard
Set-Up
X
Duty Cycle
IP
Degree Of
Protection
Circuit Breakers
Percent
Pulse
Hz
Hertz
Read Instructions
OM-235241 Página 7
Gas Output
Gas Input
Note
Adjust
Recycle or
Dispose of used
coolant in an
environmentally
safe way
t1
Gas Preflow Time
Ai
Amps Initial
t3
Initial Slope Time
t4
Final Slope Time
Af
Amps Final
t2
Gas Postflow
Time
Ab
Amps Background
Notes
OM-235241 Página 8
SECTION 3 SPECIFICATIONS
3-1. Serial Number And Rating Label Location
The serial number and rating information for this product is located on the rear panel. Use rating label to determine input power requirements and/or
rated output. For future reference, write serial number in space provided on cover of this manual.
3-2. Software Licensing Agreement
The End User License Agreement and any third-party notices and terms and conditions pertaining to third-party software can be found at
https://www
.millerwelds.com/eula
and are incorporated by reference herein.
3-3. Information About Default Weld Parameters And Settings
NOTICE Each welding application is unique. Although certain Miller Electric products are designed to determine and default to certain typical welding
parameters and settings based upon specific and relatively limited application variables input by the end user, such default settings are for reference
purposes only; and final weld results can be affected by other variables and application-specific circumstances. The appropriateness of all parameters
and settings should be evaluated and modified by the end user as necessary based upon application-specific requirements. The end user is solely
responsible for selection and coordination of appropriate equipment, adoption or adjustment of default weld parameters and settings, and ultimate
quality and durability of all resultant welds. Miller Electric expressly disclaims any and all implied warranties including any implied warranty of fitness
for a particular purpose.
3-4. Specifications
Type Of Input
Power
Welding Power Source
Type
Welding
Voltage
Range
Welding
Current
Range
Rated Welding Output Overall Dimensions Weight
115 Volts AC
Single-Phase
500mA
50/60 Hz
XMT 350/304/456 And
Standard Constant Current
Welding Power Source
10-95 V 5-450 A 400 A @ 34 VDC,
100% Duty Cycle
Length: 420 mm
Width: 250 mm
Height: 265mm
13 Kg
3-5. Environmental Specifications
A. IP Rating
IP Rating
IP23
This equipment is designed for outdoor use.
IP23 201702
B. Information On Electromagnetic Compatibility (EMC)
! This Class A equipment is not intended for use in residential locations where the electrical power is provided by the public low
voltage supply system. There can be potential difficulties in ensuring electromagnetic compatibility in those locations, due to con-
ducted as well as radiated disturbances.
ce-emc 3 2014-07
C. Temperature Specifications
Operating Temperature Range Storage Temperature Range
-10°C to 40°C (-14°F to 104 °F)
*Output is derated at temperatures above 40°C (104°F ).
-20°C to 55°C (-4°F to 131 °F)
Temp_2016- 07
OM-235241 Página 9
Duty Cycle is percentage of 10
minutes that unit can weld at rated
load without overheating.
If unit overheats, thermostat(s)
opens, output stops, and cooling
fan runs. Wait fifteen minutes for
unit to cool. Reduce amperage or
duty cycle before welding.
NOTICE Exceeding duty cycle
can damage unit or gun and void
warranty.
3-6. Duty Cycle And Overheating
Overheating
0
15
A or V
OR
Reduce Duty Cycle
Minutes
Notes
OM-235241 Página 10
SECTION 4 INSTALLATION
4-1. Selecting Cable Sizes*
NOTICE The Total Cable Length in Weld Circuit (see table below) is the combined length of both weld cables. For example, if the power source
is 30 m (100 ft) from the workpiece, the total cable length in the weld circuit is 60 m (2 cables x 30 m). Use the 60 m (200 ft) column to determine
cable size.
Weld Cable Size** and Total Cable (Copper) Length in Weld Circuit
Not Exceeding***
30 m (100 ft) or Less
45 m (150
ft)
60 m (200 ft)
70 m (250
ft)
90 m (300
ft)
105 m (350
ft)
120 m (400
ft)
Welding
Amperes
10 60%
Duty
Cycle
mm
2
(AWG)
60 100%
Duty Cycle
mm
2
(AWG)
10 100% Duty Cycle
mm
2
(AWG)
100 20 (4) 20 (4) 20 (4) 30 (3) 35 (2) 50 (1) 60 (1/0) 60 (1/0)
150 30 (3) 30 (3) 35 (2) 50 (1) 60 (1/0) 70 (2/0) 95 (3/0) 95 (3/0)
200 30 (3) 35 (2) 50 (1) 60 (1/0) 70 (2/0) 95 (3/0) 120 (4/0) 120 (4/0)
250 35 (2) 50 (1) 60 (1/0) 70 (2/0) 95 (3/0) 120 (4/0) 2x70 (2x2/0) 2x70 (2x2/0)
300 50 (1) 60 (1/0) 70 (2/0) 95 (3/0) 120 (4/0) 2x70 (2x2/0) 2x95 (2x3/0) 2x95 (2x3/0)
350 60 (1/0) 70 (2/0) 95 (3/0) 120 (4/0) 2x70 (2x2/0) 2x95 (2x3/0) 2x95 (2x3/0) 2x120 (2x4/0)
400 60 (1/0) 70 (2/0) 95 (3/0) 120 (4/0) 2x70 (2x2/0) 2x95 (2x3/0) 2x120 (2x4/0) 2x120 (2x4/0)
* This chart is a general guideline and may not suit all applications. If cable overheats, use next size larger cable.
**Weld cable size is based on either a 4 volts or less drop or a current density of at least 300 circular mils per ampere.
***For distances longer than those shown in this guide, see AWS Fact Sheet No. 39, Welding Cables, available from the American Welding
Society at http://www.aws.org. Milan Ref. S-0007-L 201708
Notes
OM-235241 Página 11
4-2. Installing Gas Supply
956.142.654
! Turn off HF unit before
making gas connec-
tions
1 Cylinder valve
Remove cap, stand to side of
valve, and open valve slightly.
Gas flow blows dust and dirt
from valve. Close valve.
2
Regulator/Flowmeter
Install so face is vertical.
3 Flow Adjust
Typical flow rate is 15 CFH
(cubic feet per hour) (4.5 L/
hr).
Make sure flow adjust is
closed when opening cylinder
to avoid damage to the flow-
meter.
4 Gas Input Fitting
Connect hose from shielding
gas supply regulator/flowmet-
er to gas in fitting. Fitting has
5/8-18 right-hand threads.
5 Gas Output Fitting
Connect shielding gas hose
from torch to gas out fitting.
Fitting has 3/819 BSPP
right-hand threads.
Tools Needed:
18 mm (11/16 in.)
1
4
2
3
5
4-3. Connecting Remote Control
AJ
B
K
I
C
L
NH
D
M
G
E
F
1
2
3
4
! Turn Off HF Unit and weld-
ing power source, and dis-
connect input power be-
fore making connections.
Stop engine on welding
generators.
1. Remote 14 Receptacle
2. Keyway
3. Plug
4. Threaded Collar
To connect to receptacle,
align keyway, insert plug,
and tighten threaded collar.
Socket* Socket Information
A Remote control circuit common.
B Contact closure to A completes trigger control
circuit.
AMPERAGE
A
C 0 to +10 volts DC output to remote control.
D Remote control circuit common.
E 0 to +10 volts DC input command signal from
remote control.
*The remaining sockets are not used.
OM-235241 Página 12
4-4. Rear Panel Receptacle Information
956.142.656
! Turn off power before making
connections.
! Do not use worn, damaged, un-
dersized, or repaired cables.
1 Coolant Out Connection
Connect coolant return hose to coolant
out fitting.
2 Coolant In Connection
Connect coolant supply hose to
coolant in fitting.
3 Gas Input Connector
Connect gas supply hose to gas input
fitting (see Section 4-2).
4 115 V Input Power Cord
5 14-Pin Receptacle
Make connections between recept-
acle and matching receptacle on weld-
ing power source.
6 Positive (+) Input Receptacle
Connect cable from positive weld out-
put terminal of welding power source.
7 Negative () Input Receptacle
Connect cable from negative weld out-
put terminal of welding power source.
8 Supplementary Protector CB1
CB1 protects unit from overload.
1
2
3 5
6
7
4
8
4-5. Front Panel Receptacle Information
956.142.656
! Turn off power before making con-
nections.
! Do not use worn, damaged, under-
sized, or repaired cables.
1 On/Off Switch
Use switch to turn unit on and off.
2 Remote 14-Pin Receptacle
Make connections according to Section 4-3.
3 Coolant In Connection
Connect torch return hose to coolant in fitting.
4 Coolant Out Connection
Connect torch supply hose to coolant out fit-
ting.
5 Gas Out Connection (See Section 4-2)
Connect torch supply hose to gas out fitting.
6 Negative () Output Receptacle
Connect TIG torch when TIG welding, or
work cable when Stick welding.
7 Positive (+) Output Receptacle
Connect work cable when TIG welding, or
electrode holder when Stick welding.
1
2
3
4
5
6
7
OM-235241 Página 13
4-6. Typical Connection To Power Source
1 HF 5000
2 Welding Power Source
3 Cooling System
4 Typical Interconnecting Cable
! Size power cables within the
interconnecting
cable for
the required welding cur-
rent and duty cycle (see Sec-
tion 4-1). See welding power
source Owner’s Manual, and
following all applicable
codes when selecting cable
sizes.
Make interconnecting cable con-
nections as follows:
Connect negative weld cable to
negative weld receptacle on
power supply
Connect negative weld cable to
negative weld terminal on unit
Connect positive weld cable to
positive weld receptacle on
power supply
Connect positive weld cable to
positive weld terminal on unit
Connect 14-pin plug to 14-pin re-
ceptacle on power supply.
Connect 14-pin plug to 14-pin re-
ceptacle on rear panel of unit.
Connect gas supply hose to gas
supply. See section 4-2.
Connect gas supply hose to gas
in connection. See section 4-4.
Connect coolant supply hose to
coolant out fitting on coolant re-
circulating system.
Connect coolant supply hose to
coolant in fitting on unit.
Connect coolant return hose to
coolant in fitting on coolant recir-
culating system.
Connect coolant return hose to
coolant out fitting on unit.
956.142.654 / 956. 142..656 / 803 691 / 956.142.653
1
2
4
3
4-7. Input Power Connection
956.142.654
! Read and follow entire
Section 8 about HF
equipment before
installing unit.
! Turn Off HF Unit and
welding power source,
and disconnect input
power before making
connections.
1 Input Power Cord
Connect unit to a 115 VAC
receptacle.
1
OM-235241 Página 14
SECTION 5 OPERATION
5-1. Front Panel Controls
956.142.656
1 Power (On/Off )Switch
Use switch to turn unit on/off. Upon
power up, unit will recall and display
the last welding procedure, or fact-
ory default procedure.
The display on the unit will show
STCK if Stick was selected last.
The display on the unit will show 2T
or 4T if TIG welding.
2T or 4T trigger mode will display
based on last selection.
STCK, 2T, and/or 4T will display for
5 seconds, and then display preset
amperage.
2 Ammeter And Parameter
Display
Displays actual amperage while
welding. Meter also displays preset
parameters for any of the following
variables: time, frequency function,
setup.
3 Process Control Adjust
Use control to select welding pro-
cess and light corresponding LED.
Control is also used for initial setup,
memory setting, and recalling fact-
ory parameters.
4 Setup Control
Use control to change selected
parameter, as indicated by lit LED,
for either the Standard TIG or TIG
Pulse process.
5 Decrease Control
Use control to reduce value shown
on display.
6 Increase Control
Use control to increase value
shown on display.
7 Process Indicator LEDs
LEDs show the selected welding
process.
8 Pulse Parameter Indicator
LEDs
9 Sequence Indicator LEDs
LEDs show the TIG parameter se-
lected.
1
2
3
45
6
7
8
9
OM-235241 Página 15
5-2. Initial Setup
956.142.656
1 Process Control Adjust
2 Setup Control
3 Decrease Control
4 Increase Control
5 Ammeter And Parameter
Display
6 Power Switch
To enter Initial Setup, turn power off.
Press and hold Increase and
Decrease controls and turn power
on. Continue to hold Increase and
Decrease controls until software
version clears display, and display
begins to flash, release Increase
and Decrease controls.
Upon power up TIG HF and Pulse
LEDs turn on, and the factory de-
fault of 400 flashes on the display.
Press the Setup control to scroll
through the following: power source
current range, current reading dis-
play, and TIG starting current.
Setting Power Source Current
Range:
Setting Maximum Amperage
While display is flashing, press the
Increase and decrease controls un-
til amperage shown on display
matches the maximum value of the
welding power source (see welding
power source Owners Manual).
Maximum amperage range is 200 to
600 amps, with 400 amps being the
default.
Press Setup control to confirm set-
ting and continue Initial Setup.
Setting Minimum Amperage While
display is flashing, press the In-
crease and decrease controls until
amperage shown on display
matches the minimum value of the
welding power source (see welding
power source Owners Manual).
Minimum amperage range is 5 to
200 amps, with 20 amps being the
default.
Press Setup control to confirm set-
ting and continue Initial Setup.
Setting Current Display Reading:
While display is flashing, press the
Increase and Decrease controls to
select CURR or NOCU (CURR is
the default). CURR is actual current
output of the power source. NOCU
is the percentage of the current out-
put of the power source.
Press Setup control to confirm set-
ting and continue Initial Setup.
Setting TIG Starting Current:
While display is flashing, press the
Increase and Decrease controls to
set the TIG start current. The start
current range is 10 to 200 amps, 20
amps is the default.
Press Setup control to confirm set-
ting
Turn power off to exit Initial Setup.
6
5
1
23 4
OM-235241 Página 16
5-3. Memory Control
956.142.656
. The first three alphanumeric digits of
the display indicate the desired action
being requested for the selected
memory position.
. The fourth alphanumeric digit of the dis-
play shows the selected memory posi-
tion. If the fourth digit is , than the re-
quested action is not valid for the selec-
ted memory position.
LOA Loads the welding parameters previ-
ously stored by the operator from the spe-
cified memory position.
STO Stores welding parameters set by
the operator to an operator specified
memory position.
DEL Permanently deletes stored welding
parameters from a specified memory posi-
tion.
. All memory positions are empty when
machine leaves factory
. Document all welding parameters for
each memory position.
. Welding parameter data is stored until
intentionally
deleted, or a recall of fact-
ory parameters is performed (see Sec-
tion 5-4).
1 Process Control
Use control to enter memory control and
confirm selected action.
2 Setup Control
Use control to exit memory control.
3 Decrease Control
Use control to scroll through the desired ac-
tions required for the selected memory pos-
itions, LOA, STO, and DEL.
4 Increase Control
Use control to scroll through memory posi-
tions 09.
5 Ammeter And Parameter Display
6 Power Switch
To create or change a welding paramet-
er memory position, proceed as follows:
Select desired process, Stick, TIG Lift, TIG
Lift Pulse, TIG HF, TIG HF Pulse.
Set or modify all desired parameters.
With power on, press and hold Process
control until LOA is displayed .
Press and hold Decrease control until STO
is displayed.
Press Increase control to select desired
memory position 09.
Press Process control until OK is dis-
played.
To Recall a welding parameter memory
position, proceed as follows:
Press and hold Process control until LOA is
displayed .
Press Increase control to select desired
memory position 09.
Press Process control until OK is dis-
played.
To delete welding parameters from a
memory position, proceed as follows:
Press and hold Process control until LOA is
displayed .
Press and hold Decrease control until DEL
is displayed.
Press Increase control to select desired
memory position 09.
Press and release Setup control to exit
memory control.
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Miller HF 5000 CE Owner's manual

Category
Welding System
Type
Owner's manual
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