Owner's manual 23 09 2014

Owner's manual 23 09 2014
Instruction manual
Unitor Welding Inverter
UWI 320 TP
MMA (Stick) and TIG welder
Revision date: 23/09/2014
Page 1 of 24
CONTENTS
1. GENERAL DESCRIPTION
2. TECHNICAL DATA
3. INSTALLATION
4. FRONT AND BACK PANEL
5. WELDING
6. ROUTINE MAINTENANCE
7. TROUBLESHOOTING
8. WIRING DIAGRAM
9. COMPONENTS AND SPARES
10. ACCESSORIES
11. SAFETY INSTRUCTIONS
DO NOT INSTALL, OPERATE OR REPAIR THIS EQUIPMENT WITHOUT
READING THIS MANUAL INCLUDING THE SAFETY INSTRUCTIONS
Revision date: 23/09/2014
Page 2 of 24
1 GENERAL DESCRIPTION
Connects to any primary voltage between 380 and 440V without need for any action from the
operator.
Line Voltage compensation keeps output of the power source constant regardless of fluctuation in
input power from 10% below lowest to above highest rated input voltage.
Safe in use. Touchable Open Circuit Voltage only 9V, well below the 70V limit set by the Code of
Safe Working Practices for Merchant Seamen.
Automatic Hot Start for stick arc starts makes arc striking easy and prevents electrode sticking.
Adjustable Arc Force for stick electrode welding allows the arc characteristics to be changed for
specific applications and electrodes.
Lift-Start in TIG mode provides easy and soft TIG arc starting.
Step-less adjustment of welding current through whole current range: 10 –320A.
Casing of high grade aluminium and industrial plastic to eliminate corrosion damage also contributes
to low-weight which together with compact outer dimensions provides good portability.
Wind tunnel design for the internal cooling air flow protects electrical components and PC boards
from dirt, dust, debris, greatly improving reliability.
Thermal overload protection with indicator lights helps prevent machine damage if the duty cycle is
exceeded or airflow is blocked.
Total Protection function with indicator light prevents machine damage if one phase in the primary
power supply falls out.
IDENTIFY COMPONENTS
Unitor Welding Inverter UWI 320TP, product number 191- 320320 is delivered with
1
2
3
Carrying strap mounted on the machine
4 m primary cable, mounted on the welding machine, plug
not included.
Instruction Manual
1
Revision date: 23/09/2014
2
Page 3 of 24
1 pce
1 pce
1 pce
3
2 TECHNICAL DATA
Type of welding machine
Three-phase static transformer rectifier
frequency converter, DC output.
Processes
MMA (Stick electrode / SMAW)
TIG (GTAW)
Safety Marking
Suitable for use in areas with increased electric shock hazard
X: Duty cycle
Duty Cycle is percentage of 10 minutes that unit can weld at rated load without overheating.
It refers to a 40°C environmental temperature. If unit overheats a thermal switch stops the output, the
warning light for over-temperature is lit and the cooling fan continues to run. Wait fifteen minutes for
unit to cool. Reduce amperage or duty cycle before starting to weld.
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I2= Welding current.
Range 10 – 320A
Ur = No-load voltage
Is the voltage between welding terminals (touchable voltage) when the machine is idle and equipped
with a voltage reduction function for operator safety. Low value means high operator safety, and with
this in mind this machine satisfies the world’s strictest regulation: AS 1674.2-2007 Safety in welding
and allied processes (Australian standard) which allows for maximum 35V.
U0 = Arc striking voltage
When electrode touches work piece the Ur voltage will within a split second jump to this value. It is
important that this value is high enough to enable quick and easy arc start for all welding
consumables.
U2 = Arc voltage
Voltage present between the output outlets when welding is being carried out, in relation to a
particular set current. The relation, for the various welding modes is the following:
MMA→U2=(20+0,04*I2)
TIG →U2=(10+0,04*I2)
Primary connection
U1
I1max
I1eff
= Effective input voltage 380 – 440V
= Maximum value of input current at the corresponding duty cycle.
= Effective value of input current at the corresponding duty cycle.
Maximum input power is 14,9 kVA. Power factor 0,77. Duty Cycle 30%
Cooling
COOLING AF= Forced air cooling (with a fan).
Protection class
IP23S= Ingress Protection class. Protection degree of the casing according to EN 60529
2: Protection against intrusion of object greater than 12,5mm in diameter
3: Protection from sprayed water at an angle of 60º from vertical
S: Valid at standstill. (Should not be used for welding outdoors in heavy wind and rain)
Thermal insulation class
I.CL.H= Thermal class of the insulating materials and insulation systems.
resistant up to 180°C.
Standards
EN 60974-10 European Norm for electromagnetic compatibility.
EN 60974-1 European Norm for arc welding appliance: Current sources for welding.
Mark stating conformity to all safety standards and other standards required for sale
within the European Union
Dimensions and weight
Height
Length
Width
Weight
: 325mm
: 460mm
: 230mm
: 18,0kg
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3 INSTALLATION
Only qualified personnel should perform this installation.
Only personnel that have read and understood this Manual should install and operate this
equipment.
Machine must only be plugged into a receptacle which is grounded in accordance with valid
regulations.
Note
The power switch should be in the OFF position when installing work cable and electrode cable and
when connecting power cord to input power.
Select a suitable location
The UWI 320 TP inverter welder has an IP23S rating. Locate the welder in a dry location where there
is free circulation of clean air into the louvers in the back and out the front of the unit.
Ensure minimum 50cm free space on all sides. If free flow of air is hindered the machine will
overheat.
A location that minimizes the amount of smoke and dirt drawn into the louvers reduces the chance of
dirt accumulation that can block air passages and cause overheating.
Avoid tilting
The machine must be placed on a secure, level surface, maximum 15º out of horizontal.
Assembly
3 phase 380-440V
50/60 Hz + PE
(10 A slow fuses
recommended)
Welding cable and
electrode holder
Return cable and
ground clamp
Work Piece
Negative pole
Positive pole
Select polarity to electrode based on recommendations on the electrode package and the job at
hand. For GTAW (TIG) welding negative (-) polarity should always be to the torch.
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4 FRONT AND BACK PANEL
1
3
2
4
6
5
7
Description
1. Active VRD signal. When lit this shows that the Voltage Reducing Device is active, reducing
the voltage across the welding sockets. This will happen within 2 seconds after the welding
arc is broken to protect the welder from electric chock.
Full arc striking voltage will automatically be re-established when the welding circuit is reestablished by touching the electrode to the work-piece
2. Remote control signal. Will be lit when a remote control is connected and remote adjustment
is selected at the back of the machine.
3. Power on warning. Green light when the machine is connected and switched on.
4. Thermal protection activated. Yellow light indicates that the protection thermostat has cut the
output. Do not switch the machine off. The fan will be running and the thermostat resets
automatically when the machine has cooled down sufficiently. The light will darken when the
machine is live again.
5. Selection of welding process:
Up:
SMAW (MMA) welding with stick electrodes
Down: GTAW (TIG) welding.
6. Welding current adjustment potmeter. Rotate knob clockwise to increase amperage,
minimum to 320 Ampere
7. Arc force increases the short circuit amperage providing a crisper arc, allowing the welder to
use very short arc without sticking the electrode in the melt pool. It is useful when welding
with stick electrodes at low amperages but gives more spatter. Set control to 0 (soft arc) for
normal electrode welding and TIG welding.
8. On/Off switch (Back panel)
9
9. Primary cable, 4 core 2,5mm², 3m long.
10. When lit the Total Protection function
has been activated due to one missing
phase in the power supply to the machine.
11. Selection of welding current adjustment:
-
On front panel
-
With remote control
10
12. Socket for remote control.
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11
1
12
8
5 WELDING
MMA (SMAW stick electrode) welding
1 Electrode
2 Workpiece
3 Arc
Select MMA welding (selector switch up).
Connect ground (return) cable with good contact to
the work piece.
Select polarity and amperage as recommended for
the electrode and start arc as follows:
Drag electrode across work piece like striking a
Match and lift electrode slightly after touching work.
If arc goes out electrode was lifted to high.
If electrode sticks to work piece, use a quick twist to
free it.
Hot start
The machine has automatic Hot Start for stick electrode welding. This makes arc striking easier and
reduces the possibility of electrode sticking
Arc Force
Use no or low Arc Force setting for smooth running electrodes like LH and SPECIAL.
Increased setting provides optimal characteristics for stiffer, more penetrating electrodes like E6010
types, chamfering electrodes like CH2 and electrodes for ACA gouging. It may also be an advantage
im position welding
TIG (GTAW) welding
Select TIG process (selector switch down) and connect TIG torch to negative (-) terminal on the
machine. The torch should preferably have gas valve on the handle. Connect ground (return) cable
with good contact to the work piece.
When the TIG process is selected normal open-circuit voltage is not present before tungsten
electrode touches and lifts from work piece. Only a low sensing voltage is present between
electrode and work piece.
The solid-state output contactor does not energize until after electrode is touching work piece.
This allows the electrode to touch the work piece without overheating, sticking, getting contaminated
or contaminate the work piece.
Start the arc as follows:
 Turn gas on.
 Touch tungsten electrode to workpiece at weld start point.
 Hold electrode to workpiece for 1-2 seconds, and slowly lift electrode.
The arc is formed when the electrode is lifted.
.
1 Electrode
2 Workpiece
Touch the electrode to the work
piece. Only sensing voltage will
be present
2 Workpiece
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Lift carefully and the arc will
be established
6 PARALLEL CONNECTION
Two pcs UWI-320TP may be parallel connected and will then supply up to 640A current for stick
electrode welding and, more important, for Air Carbon Arc gouging. This is done as follows:
-
Set both machines to MMA welding (selector switch up).
-
Set both machines to remote control and if extensions are necessary use same length
remote control cables from each machine to the work site where the remote control parallel
connection kit, product number 676973, is used to connect both machines to the same
remote control
-
If remote control is not used both machines should be set to the same ampere value on the
displays, half of the required value for the electrode
-
Return cables from both machines should be of equal length and clamps should be
connected close together directly on a clean part of the work-piece. 70mm2 cable is
recommended. NB! Same polarity for both on the welding machines.
-
Welding cables from both machines must be of equal length to the work site where the
parallel connecting three-way connector DIX70 male-female-female, product number
632901 is used to connect both machines to the same electrode holder.
-
For Air Carbon Arc gouging plus (+) polarity should be selected to the torch, and Arc force
).should be set at maximum. ACA torch 600A (product number 528703). A connector
conversion is required here, product number 634121.
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7 ROUTINE MAINTENANCE
Checkpoint
Action
Interval
Primary plug
and socket
Check connections
and stretch relief
3 months or more
often if needed
Check for damage
and replace if
necessary
3 months or more
often if needed
Check for damage
and tightness
3 months or more
often if needed
Primary cable
Primary cable
stretch relief
and connection
Labels
Replace damaged or
unreadable labels
Internal dust
and dirt
Blow out or vacuum
inside
Welding current
sockets
Check and clean
3 months or more
often if needed
Cable
connectors
Check, clean if
needed and tighten
Prior to use /
every 3 months
Welding cables
Repair or replace if
damaged
Prior to use /
every 3 months
Electrode
holders and
torches
Check, clean and
replace if damaged
Prior to use /
every 3 months
Ground clamps
Check tightness and
clean contact points
Prior to use /
every 3 months
Remote
controls,
if relevant.
Check function and
condition of cables
3 months or more
often if needed
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3 months or more
often if needed
6 months or more
often if needed
8 TROUBLESHOOTING
SYMPTOM
POSSIBLE
REASON
SOLUTION
Mains fuses blown
Machine is not plugged in
Broken primary cable
No output, no warning
light, fan not running
Primary power
does not reach the
machine
Cable connection to machine is loose
Machine not switched on
On/off switch damaged
Voltage protection
activated
No output, yellow warning
light
Thermal protection
activated
Too high or too low input voltage, should be
within 342 - 484V
Used at too high duty cycle, wait until
machine has cooled down and power
returns.
Weld with more breaks or lower current
Cooling air flow is hindered, remove
obstructions
Heat development in loose electrode holder
or ground cable connections
Broken fan, repair or replace
No arc, no warning light
Incomplete circuit
Polarity
Unstable arc
Revision date: 23/09/2014
Too much dirt in power source
compartment, clean out.
Check ground cable connections and torch
connection
Check that polarity set on the machine
matches the wire
Poor contact
Check ground clamp and torch connections
Contaminated work
piece
Clean
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9 WIRING DIAGRAM
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10 COMPONENTS AND SPARES
Revision date: 23/09/2014
Page 13 of 24
No.
Code
1
005.0001.0007
Item Name
Belt
2
011.0001.0155
Upper cover
3
046.0002.0008
Electrical insulation
4
050.0002.0036
Power board
5
040.0003.1270
Thermal switch L=200mm
6
040.0003.0060
Thermal switch
7
044.0004.0003
Output inductance
8
011.0008.0029
Lateral plate
9
050.0002.0040
Primary capacitor board
10
050.5009.2400
Logic front panel
11
014.0002.0009
Small knob
12
014.0002.0005
Knob
13
021.0001.0259
Fixed socket 400a
14
010.0006.0038
Front plastic panel
15
050.0001.0031
Output filter board
16
016.0009.0003
Rubber foot
17
042.0003.0045
Power transformer
18
041.0004.0300
Hall sensor
19
011.0008.0001
Lower cover
20
040.0003.1170
Thermal switch L=300mm
21
050.0001.0044
Snubber board
22
032.0002.2003
Diode
23
011.0008.0011
Internal fan support
24
003.0002.0003
Fan
25
011.0008.0010
External fan support
26
010.0006.0034
Rear plastic panel
27
013.0000.7005
Rear panel
28
045.0000.0007
Cable clamp
29
045.0002.0005
Supply cable
30
040.0001.0015
Three-pole switch
31
022.0002.0190
Led wiring
32
016.0010.0001
Board support
33
015.0001.0006
Heat sink
34
041.0006.0004
Toroidal transformer
35
011.0008.0021
Upper plate
36
050.0001.0039
Line filter board
37
022.0002.0247
Remote control cable with selector
38
050.0001.0057
Three-phase supply protection board
39
040.0004.0004
Selector
Spare part kit for UWI-320TP includes power board, necessary additional components and complete
instructions for replacement Order no191-320323
For ordering spares please state:
Model:
Serial no:
Pos no:
Code:
Revision date: 23/09/2014
UWI 320 TP
………….
………….
.………….
Page 14 of 24
11 ACCESSORIES
Basic accessories for UWI-320
Basic accessories kit for UWI-320
196 670406
Consisting of: (Order numbers to be used when re-ordering)
Flip-Vision shield with flip-up frame, head band and filter shade 11 glass
196 709485
Long lined welding gloves, 1pair (re-ordering number is for 6 pairs)
196 632786
Electrode holder with 3m cable and connector
196 594325
Ground clamp with 3m cable and connector
196 594317
Wire brush, steel, 2 rows, 1 pcs (re-ordering number is for 6 pcs)
196 632976
Chipping hammer steel, 1 pcs (re-ordering number is for 2pcs)
196 633008
Remote control with 8m cable
191 670414
Cable Extensions
Welding cable 50mm² (max 20m extension is recommended), per m
195 175844
Cable connector DIX 70 male – female for welding cable extension
195 632893
Remote control cable extension, 25m
191 670422
TIG welding Accessories for UWI 320
Specially thin and soft TIG gloves, 6 pairs
197 632794
TIG-torch T-200 with gas valve and DIX 70 connector
197 200000
Accessories kit for TIG-torch
197 607810
Argon regulator with flow adjustment 0-32 l/min
197 510010
Flow control meter for use at torch nozzle
197 597328
Flow control needle valve for gas flow adjustment
197 597310
Argon for TIG shielding is available in 10 l cylinders (E-10) and 50 l cylinders (E-50)
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TIG torch T-200 Order number 197-200000
Pos.
1
2
3
4
4
5
5
6
6
7
7
Order number Unit
197-551192
197-551200
197-613767
197-551168
197-551150
197-551184
197-551176
197-551135
197-551127
197-674710
197-674736
Revision date: 23/09/2014
pcs
pcs
pcs
pcs
pcs
pcs
pcs
pcs
pcs
pck
pck
Product description
Short back-cap
Long back-cap
Heat shield
Collet 1.6mm
Collet 2.4mm
Collet body 1.6 mm
CoIlet body 2.4 mm
Alumina nozzle 6
Alumina nozzle 7
Tungsten electrode (10 pcs) 1.6 mm alloyed for DC welding
Tungsten electrode (10 pcs) 2.4 mm alloyed for DC welding
Page 16 of 24
12 SAFETY INSTRUCTIONS
Arc Welding Hazards
The safety information given below is only a summary of the more complete safety information found
in the Safety Standards listed in Section 1-5. Read and follow all Safety Standards.
Only qualified persons should install, operate, maintain, and repair this unit. During operation, keep
everybody, especially children, away.
ELECTRIC SHOCK can kill.
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.
Do not touch live electrical parts. Wear dry, hole-free insulating gloves and body protection. Insulate
yourself from work and ground using dry insulating mats or covers big enough to prevent any
physical contact with the work or ground. Do not use AC output in damp areas, if movement is
confined, or if there is a danger of falling. Use AC output ONLY if required for the welding process. If
AC output is required, use remote output control if present on unit.
Disconnect input power before installing or servicing this equipment. Always verify the supply
ground − check and be sure that input power cord ground wire is properly connected to ground
terminal in the cord plug and that the plug is connected to a properly grounded receptacle outlet.
When making input connections, attach proper grounding conductor first − double-check
connections. Frequently inspect input power cord for damage or bare wiring −replace cord
immediately if damaged − bare wiring can kill. Turn off all equipment when not in use.
Do not use worn, damaged, undersized, or poorly spliced cables. Do not drape cables over your
body. If earth grounding of the work-piece is required, ground it directly with a separate cable. Do not
touch electrode if you are in contact with the work, ground, or another electrode from a different
machine.
Use only well-maintained equipment. Repair or replace damaged parts at once. Maintain unit
according to manual. Wear a safety harness if working above floor level. Keep all panels and covers
securely in place. Clamp work cable with good metal-to-metal contact to work-piece or worktable as
near the weld as practical. Insulate work clamp when not connected to work-piece to prevent contact
with any metal object. Do not connect more than one electrode or work cable to any single weld
output terminal.
SIGNIFICANT DC VOLTAGE exists after removal of input power on inverters. Turn off inverter,
disconnect input power, and discharge input capacitors before touching any parts.
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FUMES AND GASES can be hazardous.
Welding produces fumes and gases. Breathing these fumes and gases can be hazardous to your
health. Keep your head out of the fumes. Do not breathe the fumes. If inside, ventilate the area
and/or use exhaust at the arc to remove welding fumes and gases. If ventilation is poor, use an
approved air-supplied respirator. Read the Material Safety Data Sheets (MSDSs) and the
manufacturer’s instructions for metals, consumables, coatings, cleaners, and degreasers.
Work in a confined space only if it is well ventilated, or while wearing an air-supplied respirator.
Always have a trained watchperson nearby. Welding fumes and gases can displace air and lower the
oxygen level causing injury or death. Be sure the breathing air is safe.
Do not weld in locations near degreasing, cleaning, or spraying operations.The heat and rays of the
arc can react with vapors to form highly toxic and irritating gases.
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 if necessary, while wearing an airsupplied respirator. The coatings and any metals containing these elements can give off toxic fumes
if welded.
ARC RAYS can burn eyes and skin.
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. Wear a welding helmet fitted with a proper
shade of filter to protect your face and eyes when welding or watching. Wear approved safety
glasses with side shields under your helmet. Use protective screens or barriers to protect others from
flash and glare; warn others not to watch the arc. Wear protective clothing made from durable, flameresistant material (leather and wool) and foot protection.
WELDING can cause fire or explosion.
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. Protect yourself
and others from flying sparks and hot metal. Do not weld where flying sparks can strike flammable
material. Remove all flammables within 35 ft (10.7 m) of the welding arc. If this is not possible, tightly
cover them with approved covers. Be alert that welding sparks and hot materials from welding can
easily go through small cracks and openings to adjacent areas. Watch for fire, and keep a fire
extinguisher nearby. Be aware that welding on a ceiling, floor, bulkhead, or partition can cause fire
on the hidden side. Do not weld on closed containers such as tanks, drums, or pipes, unless they are
properly prepared Connect work cable to the work as close to the welding area as practical to
prevent welding current from travelling long, possibly unknown paths and causing electric shock and
fire hazards. Do not use welder to thaw frozen pipes. Remove stick electrode from holder or cut off
welding wire at contact tip when not in use. Wear oil-free protective garments such as leather gloves,
heavy shirt, cuff-less trousers, high shoes, and a cap. Remove any combustibles, such as a butane
lighter or matches, from your person before doing any welding.
FLYING METAL can injure eyes.
Welding, chipping, wire brushing, and grinding cause sparks and flying metal. As welds cool, they
can throw off slag. Wear approved safety glasses with side shields even under your welding helmet.
BUILDUP OF GAS can injure or kill.
Shut off shielding gas supply when not in use. Always ventilate confined spaces or use approved airsupplied respirator.
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HOT PARTS can cause severe burns.
Do not touch hot parts bare handed. Allow cooling period before working on gun or torch.
MAGNETIC FIELDS can affect pacemakers.
Pacemaker wearers keep away. Wearers should consult their doctor before going near arc welding,
gouging, or spot welding operations.
NOISE can damage hearing.
Noise from some processes or equipment can damage hearing. Wear approved ear protection if
noise level is high.
CYLINDERS can explode if damaged.
Shielding 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. Protect
compressed gas cylinders from excessive heat, mechanical shocks, slag, open flames, sparks, and
arcs. Install cylinders in an upright position by securing to a stationary support or cylinder rack to
prevent falling or tipping. Keep cylinders away from any welding or other electrical circuits. Never
drape a welding torch over a gas cylinder. Never allow a welding electrode to touch any cylinder.
Never weld on a pressurized cylinder − explosion will result. Use only correct shielding gas cylinders,
regulators, hoses, and fittings designed for the specific application; maintain them and associated
parts in good condition. Turn face away from valve outlet when opening cylinder valve. Keep
protective cap in place over valve except when cylinder is in use or connected for use. Read and
follow instructions on compressed gas cylinders, associated equipment, and CGA publication P-1
listed in Safety Standards.
Additional precautions for installation, operation, and maintenance
Do not install or place unit on, over, or near combustible surfaces. Do not install unit near
flammables. Do not overload building wiring − be sure power supply system is properly sized, rated,
and protected to handle this unit.
FALLING UNIT can cause injury.
Use lifting eye to lift unit only, NOT running gear, gas cylinders, or any other accessories. Use
equipment of adequate capacity to lift and support unit. If using lift forks to move unit, be sure forks
are long enough to extend beyond opposite side of unit.
OVERUSE can cause OVERHEATING
Allow cooling period; follow rated duty cycle. Reduce current or reduce duty cycle before starting to
weld again. Do not block or filter airflow to unit.
STATIC (ESD) can damage PC boards.
Put on grounded wrist strap BEFORE handling boards or parts. Use proper static-proof bags and
boxes to store, move, or ship PC boards.
MOVING PARTS can cause injury.
Keep away from moving parts. Keep away from pinch points such as drive rolls.
WELDING WIRE can cause injury.
Do not press gun trigger until instructed to do so. Do not point gun toward any part of the body, other
people, or any metal when threading welding wire.
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MOVING PARTS can cause injury.
Keep away from moving parts such as fans. Keep all doors, panels, covers, and guards closed and
securely in place.
H.F. RADIATION can cause interference.
High-frequency (H.F.) can interfere with radio navigation, safety services, computers, and
communications equipment. Have only qualified persons familiar with electronic equipment perform
this installation.
The user is responsible for having a qualified electrician promptly correct any interference problem
resulting from the installation.
If notified about interference, stop using the equipment at once. Have the installation regularly
checked and maintained. 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.
Electromagnetic energy can interfere with sensitive electronic equipment such as computers and
computer-driven equipment such as robots.
Be sure all equipment in the welding area is electromagnetically compatible.
To reduce possible interference, keep weld cables as short as possible, close together, and down
low, such as on the floor.
Locate welding operation 100 meters from any sensitive electronic equipment.
Be sure this welding machine is installed and grounded according to this manual.
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.
EMF Information
Considerations about welding and the effects of low frequency electric and magnetic fields.
Welding current, as it flows through welding cables, will cause electromagnetic fields.
There has been and still is some concern about such fields.
However, after examining more than 500 studies spanning 17 years of research, a special blue
ribbon committee of the National Research Council concluded that: “The body of evidence, in the
committee’s judgment, has not demonstrated that exposure to power-frequency electric and
magnetic fields is a human-health hazard.”
However, studies are still going forth and evidence continues to be examined. Until the final
conclusions of the research are reached, you may wish to minimize your exposure to
electromagnetic fields when welding or cutting.
To reduce magnetic fields in the workplace, use the following procedures:
1. Keep cables close together by twisting or taping them.
2. Arrange cables to one side and away from the operator.
3. Do not coil or drape cables around your body.
4. Keep welding power source and cables as far away from operator as practical.
5. Connect work clamp to workpiece as close to the weld as possible.
About Pacemakers:
Pacemaker wearers consult your doctor first. If cleared by your doctor, then following the above
procedures is recommended.
Revision date: 23/09/2014
Page 20 of 24
DECLARATION OF CONFORMITY
₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪
We hereby state that the machine type
UNITOR
WELDING
INVERTER
UWI 320 TP
₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪
is in compliance with the directives
2004/108/CEE
2006/95/CE
2011/65/EU
₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪
and that the following standards apply
EN 60974-1
EN 60974-10
₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪₪
WECO srl
Via S. Antonio, 22 - BELVEDERE
36050 TEZZE SUL BRENTA (VICENZA) ITALY
Tel. +39 0424 561943 - Fax +39 0424 561944
E-mail [email protected] - www.weco.it
P. IVA 02783960244 - C.F. 02710490281
Reg. Impr. VI n° 52214 - R.E.A. N° 274736
Capitale sociale i.v. € 52.000,00
Revision date: 23/09/2014
Page 21 of 24
Belvedere, 01/01/2013
Amm. Giorgio TONIOLO
NOTES
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FOR FULL INFORMATION ON THE UNITOR WELDING OFFER
Revision date: 23/09/2014
Page 22 of 24
USE THE UNITOR WELDING HANDBOOK FOR MARITIME WELDERS
You can download it here
http://www.wilhelmsen.com/services/maritime/companies/buss/DocLit/PorductLiterature/Pages/Maintenanceandrepair.aspx
…or contact Wilhelmsen Ships Service for a paper copy
Revision date: 23/09/2014
Page 23 of 24
Fraser/surrey Gaspe Gros Caouna Halifax Hamilton Harbour Grace Holyrood Kitimat Long Pond Marytown Montreal Nanaimo New
Westminster Bc Pictou/halifax Pointe Aux Pic.quebec Port Alfred Port Cartier Port Colborne Port Hawkesbury Port Mellon Port Moody
Port Of Quebec Port Weller Powell River Prince Rupert Roberts Bank Saint John Sarnia, Ontario Sept Iles Seven Islands Sorel Souris/
halifax Squamish St. Catherines St.john’s, Nfld St.romuald Stephensville Summerside/halifax
& spare Three
part Rivers
list Thunder Bay Toronto alleyfield
Vancouver Victoria Weymouth Windsor Yarmouth Ancud / Laitec Antofagasta Arica Caldera Concepcion Bay Coquimbo Coronel Corral
Huasco Las Ventanas Lirquen Lota Penco Puerto Montt Puerto Williams Punta Arenas Quintero San Antonio San Vicente Talcahuano
Tocopilla Valparaiso Antilla Bahia Honda Banes Baracoa Cabanas Caibarien Cardenas Casilda Ceiba Hueca Cienfuegos Guantanamo
Guayabal Havana Isabel De Sagua Manati Mariel Media Luna Moa Nicaro Niquero Nuevitas Pilon Puerto Padre Santiago De Cuba Sigloo
Genoa Finn Tanamo Tunas De Zaza Vita Balao Esmeraldas Guayaquil La Libertad Manta Puerto Bolivar Freeport/bahamas Guam
Mahdia Acapulco Campeche Ciudad Del Carmen Coatzacoaloos Cozumel Dos Bocas Ensenada Guaymas La Paz Lazaro Cardenas
Mazatlan Progreso Puerto Vallarta Salina Cruz Tampico Topolobampo Tuxpan Vera Cruz Bonaire Bullen Bay Curacao Aguadulce
Almirante Armuelles Bahia Las Minas Balboa Cristobal Manzanillo Int.term. Vacamonte Callao Chimbote Ilo Matarani Paita Pisco
Guayama Guayanilla Mayaguez Ponce San Juan Yabucoa St. Vincent Chaguaramas La Brea Point Fortin Point Lisas Pointe-a-pierre
Port Of Spain Tembladora Aberdeen,wa Alameda Albany,n.y. Alexandria, Va Algiers Point Amelia Anacortes, Wa Anchorage,ak
Annapolis,md Antioch Aransas Pass Tx Astoria, Or Baltimore Baton Rouge Bayonne Baytown Beaumont Bellingham, Ma Bellingham, Wa
Benicia, Ca Boston, Ma Bridgeport Bridgeport, Conn Brooklyn, Ny Brownsville Tx Brunswick Brunswick, Ga ucksport,me Buras Camden
Camden, Nj Cameron La Chalmette Charleston, Sc Cheasapeake Chester Chicago Claymont Convent Coos Bay, Or Corpus Chr.tx
Crockett Darrow Davant Deer Park Delaware City Destrehan Donaldsonville Dutch Harbor, Ak Eastport, Me Eureka Everett, Wa Fairless
Hills Famagusta Ferndale,wa Freeport Tx Galveston Tx Garyville Geismar Georgetown, Sc Gloucester, Nj Good Hope Gramercy Grand
Isle Grays Harbour Gretna Gulfport, Ms Harvey Honolulu, Hawaii Hoquiam, Wa Houma Jacksonville Kalama Kalama, Wa Kenai Key West
Lake Charles La Long Beach Long Island, Ny Longview, Wa Loop Terminal Los Angeles
WeHook,
service
yourMiami
needs
in Morehead
2 200 ports…
Manchester, Wa Manhattan, Ny Marcus
Pa Martinez
Mobile
City Morehead City, Nc Morgan City Morrisville, Pa
Myrtle Grove Naples Nederland Tx New Haven, Conn New Iberia New London New Orleans New York Newington, Nh Newport News,
Va Newport, Or Newport, Ri Nikiski Norco Norfolk Oakland Olympia, Wa Orange, Rotterdam Tx Palm Beach Panama City, Fl Pasadena
Pascagoula, Ms Paulsboro, Nj Pennsauken, Nj Pensacola, Fl Petaluma Philadelphia Piney Point, Md Pittsburg Plaquemine Point Comfort
Tx Port Allen Port Angeles, Wa Port Arthur Tx Port Canaveral Port Everglades Port Hueneme Port Isabel Tx Port Manatee, Fl Port Neches
Tx Port Royal, Sc Port St. Joe, Fl Port Townsend, Wa Portland, Me Portland, Or Portsmouth Portsmouth, Nh Providence, Ri Queens, Ny
Redwood City Reserve Revere, Ma Richmond Richmond, Va Sacramento Salem Salem, Ma San Diego San Francisco Sandwich, Ma
Savannah Searsport, Me Seattle Seward Sparrows Point St.petersburg, Fl St.rose Staten Island, Ny Stockton Tacoma, Wa Tampa Texas
City The Bronx, Ny The Loop Valdez Vancouver, Wa Venice West Palm Beach Westville, Nj Wilmington, Ca Wilmington, De Houston
Wilmington,nc Yonkers, Ny Yorktown, Va Fray Bentos Jose Ignacio Montevideo Nueva Palmira Amuay Bay Bajo Grande Cumarebo El
Palito El Tablazo Guanta Guaranao Jose Bay La Guaira La Salina Maracaibo Pertigalete Puerto Cabello Puerto La Cruz Puerto Miranda
Puerto Ordaz Punta Cardon Punta De Palmas Punto Fijo San Lorenzo, Vz St.croix Aeroskobing Assens Bagenkop Bogense Copenhagen
Ebeltoft Enstedvaerket Havn Esbjerg Fakse Ladeplads Havn Fredericia Frederiksund Frederiksvaerk Fredrikshavn Faaborg Gedser Great
Belt Grenaa Graasten Gulfhavn Haderslev Halsskov Hanstholm Helsingor Hirtshals Hobro Holbaek Horsens Kalundborg Kertminde Koge
Kolding Korsor Lemvig Mariager Marstal Oslo Middlefart Naestved Nakskov Nyborg Nykobing Falster Nykobing Mors Nykobing
Skjaelland Odense Orehoved Falster Randers Ronne Rudkobing Sakskobing Skaelskor Skaerbaek Skagen Skive Sonderborg Stege
Stigsnaesvaerkets Havn Svendborg Studstrupvaerkets Havn Thisted Thorshavn Vejle Vordingborg Aabenraa Aalborg Aarhus Kunda
Loksa Muuga Paldiski Paljassaare Parnu Tallinn Dalsbruk Hamina/fr.havn Hanko/hangoe Helsinki Ingaa/inkoo Jakobstad Kalajoki Kantvik
Kaskinen/kasko Kemi Kemio Kokkola/karleby Kotka Koverhar Kristinestad Lappvik Lovisa Mariehamn Merikarvia Nystad Naantali Oulu
Pargas Pori Porvoo/borgaa Rauma Raahe/brahestad Skoeldvik Tammisaari Teijo Tolkis Torneaa Turku Valkom/valko Vaasa Akureyri
Isafjørdur Reykjavik Arklow Aughinish Bantry Cork Drogheda Dublin Dun Laoghaire Dundalk Foynes Galway Limerick Moneypoint
Ringaskiddy Tarbert Waterford Liepaja Mersrags Riga Roja Salacgriva Skulte Ventspils
Butinge Klaipeda Agnefest Alta Piraeus Arendal Asker Askoy Aukra Aure Averoey Bergen Berlevaag Bodoe Boemlo Brattvag Breivika
Brevik Baatsfjord Dirdal Drammen Dusavik Egersund Eide Elnesvaagen Eydehavn Fagerstrand Farsund Finnsnes Flekkefjord Floroe
Flaam Fosnavaag Fraena Fredrikstad Frei Gamvik Genoa Geiranger Gjemnes Glomfjord Gravdal Grimstad Gudvangen Halden Halsa
Hammerfest Harstad Haugesund Hellesylt Heroeya Hjelmeland Hoeyanger Holla Holmestrand Hommelvik Honningsvaag Horten Husnes
Jelsa Jessheim Joerpeland Joessinghamn Kambo Karmoey Kirkenes Singapore Krageroe Kristiansand Kristiansund Kvinesdal
Kyrksaeterora Kaarsto Larvik Leknes Lillesand Lyngdal Mandal Mehavn Mo I Rana Molde Mongstad Mosjoen Moss Muruvik Maaloey
Namsos Narvik Nesset Odda Oelen Oersta Orkanger Porsgrunn Rafnes Randaberg Raubergvika Risoer Sandefjord Sandnes
Sandnessjoen Sarpsborg Sauda Skien Skjervoey Slagen Slagentangen Smoela Soevik Sola Sorreisa Sortland Stavanger Stord Sture
Sunndalsoera Dubai Surnadal Svelgen Svolvaer Tananger Tau Thamshamn Tingvoll Tjeldbergodden Toensberg Tofte Tomrefjord
Tromsoe Trondheim Tustna Tvedestrand Tyssedal Tysvaer Ulsteinvik Vadsoe Vardoe Verdal Vik Volda Aagotnes Aaheim Aalesund Aalvik
Aardal i Ryfylke Aardalstangen Gdansk Gdynia Kolobrzeg Police Swinoujscie Szczecin Arkangelsk Baltiysk De Kastri Kaliningrad
Kandalaksha Kavkaz Kronshtadt Lomonosov Murmansk Nakhodka Novorossiysk Primorsk Sakhalin Sakhalin Severomorsk St.
Petersburg Svetlyi Taman Temruk Temryuk Tuapse Vladivostok Vostochniy, Port Vostochnyi Vyborg Bohus Brofjorden Falkenberg Gavle
Gothenburg Hallstavik Halmstad Helsingborg Hoganas Holmsund Hudiksvall Iggesund Kalmar Karlshamn Karlskrona Karlstad Koeping
Landskrona Lidkoping Lilla Edet Luleaa Lysekil Malmoe Mariestad Marstrand Munkedal Norrkoeping Norrsundet Norrtalje Nynashamn
Rotterdam Ornskoldsvik Oskarshamn Oxelosund Pitea Shanghai Simrishamn Skarhamn Skelleftehamn Skutskar Slite Soderhamn
Sodertalje Solvesborg Stenungsund Stockholm Stromstad Sundsvall Surte Trelleborg Uddevalla Umeaa Varberg Vastervik Vasteraas
Visby Wallhamn Ystad Aberdeen Appledore Arbroath Ardersier Ardrossan Avonmouth Ayr Ballycastle Banff Barking Barnstaple Barrow
In Furness Barry Barton On Humber Belfast Berwick Upon Tweed Billingham Birkenhead Blyth Boston Bowling Braefoot Bay Bridgend
Bridlington Bridport Bristol Briton Ferry Brixham Bromborough Buckie Burntisland Burton Upon Stather Caernarvon Campbeltown Canvey
Island Cardiff Carrickfergus Carrington Clacton On Sea Coleraine Connah’s Quay Coryton Cowes Dagenham Dartford Dartmouth Dover
Dundee Eastham
Ellesmere Port Erith Falmouth Faversham Fawley Felixstowe Finnart Fishguard Fleetwood Flixborough Folkestone Fort William Forth
Fowey
Fraserburgh Gainsborough Garston Gateshead Gillingham Girvan Glasgow Glasson Dock Glenrothes Gloucester Goole Gourock
Grangemouth Revision date: 23/09/2014
Page 24 of 24
Granton Gravesend Great Yarmouth Greenhithe Greenock Grimsby Guernsey Gunness Hamble Hartlepool Harwich Hebburn Heysham
Holyhead Hull Humber Hunterstone Immingham Invergordon Inverkeithing Inverness Ipswich Irvine Isle Of Grain Jarrow Jersey Kilkeel
Killingholme
Instruction manual
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