Riland MMA 120GDM Manuel utilisateur
USER MANUAL
MMA 120GDM/140GDM/160GDM
USER MANUAL - 0 - YF-29C A3
CONTENTS
SAFETY WARNING....................................................................................................................................3
PRODUCT DESCRIPTION.........................................................................................................................8
TECHNICAL PARAMETERS......................................................................................................................9
INSTALLATION INSTRUCTION................................................................................................................10
PANEL FUNCTION ILLUSTRATION.........................................................................................................13
OPERATION PARAMETER RECOMMENDATION...................................................................................16
CIRCUIT DIAGRAM...................................................................................................................................17
ATTENTIONS PREVENTIVE MEASURES............................................................................................18
POTENTIAL OPERATING PROBLEMS....................................................................................................20
DAILY MAINTENANCE..............................................................................................................................21
TROUBLESHOOTING AND FAULT FINDING..........................................................................................22
DAILY CHECKING.....................................................................................................................................23
USER MANUAL - 1 - YF-29C A3
USER MANUAL - 2 - YF-29C A3
SAFETY WARNING
● Please read this man al caref lly before sing it.
● The safety notes listed in this man al is to ens re correct se of the machine and to keep yo and
other people from being h rt.
● The machine is safety considered designed, please refer to the safety warning listed in the man al
when sing it in case of bad accidents.
● Wrong se of the machine will ca se different extent of h rt as follows, and there will be warning sign
and description for remind.
Warning
sign
Description Meaning
High-danger “High-danger” means there is possibility of severe dangero s, and
may ca se dead if not avoid. This sign is sed in extreme case, which
is normally related to body dangero s neither than property loss.
Danger “Danger” means there is possibility of dangero s sit ation, and may
ca se badly h rt if not avoid. It can also refer to property loss.
Notes This means it may ca se body h rt if not avoid. Please refer to the
related description when this sign occ rred.
Danger! Please follow the rules below in case of bad accidents:
1. Do not se the machine in none-welding areas.
2. The machine is safety considered designed, please do read the warning notes caref lly in case of
dead or other bad accidents.
3. Follow related reg lations for the constr ction of the inp t drive force, selection of the set p place,
sage of the high-press re gas, storage and config ration, safe-keeping of the workpiece after
welding and management of the offal etc.
4. No entry of nrelated person to the welding area.
5. People sing heart pacemaker cannot get close to the welding machine and area witho t the doctor’s
permit. The magnetism ca sed when connecting the machine will ca se infl ence to the pacemaker.
6. Ask profession person to install, check and maintain the machine.
7. Please correctly nderstand the contents of this man al to ens re safety, and ask those professional
USER MANUAL - 3 - YF-29C A3
people with safety knowledge and techniq e to operate the machine.
Danger! Please follow the rules below in case of electric shock:
＊Any contact of electric parts may cause fatal electric shock or burnt.
1. Don’t to ch any electric parts.
2. Ask professional person to connect the machine and workpiece to the gro nd.
3. C t off the power box before the installation or checking, and restart after 5 min tes. For the
capacitance is chargeable, please ens re it has no voltage before restart even if the power so rce is
c t off.
4. Do not se cable witho t eno gh section or with worn-o t cover or broken cond ctor.
5. Do ens re ins lation at the cable joint parts.
6. Do not se the machine when the ho sing is off.
7. Do not se broken or wet ins lation gloves.
8. Use safety net when work at high position.
9. Check and maintain reg larly, don’t se it ntil the broken parts are fixed well.
10. C t off all the inp t power when not se.
11. Follow the national or local related standard and reg lations when sing the AC/DC machine at
narrow or high position.
Danger! Please use preventive measures to avoid gas and fumes.
＊Gas and fumes are harmful to health.
＊It may cause choke when operate in narrow space.
1. In case of accidents like gas poisoning or choke, please se s ggested exha st eq ipment and
breathe preventive facilities.
2. In case of h rt and poisoning by gas and other powder, please se s ggested part exha st
eq ipment and breathe preventive facilities.
3. When operated on tr nks, boilers, cabins etc.,the CO2 and argon gas will stay in the bottom. Please
replace gas s fficiently and se gas respire facilities in case of oxygen shortage.
4. Please accept the s pervisor’s check when operate in narrow space, and ens re eno gh gas s pply
and se breathe preventive facilities.
5. Do not weld in degrease, washing and spray space.
6. Use breathe preventive facilities as it will ca se poisono s d st and gas when weld shielded steel.
USER MANUAL - 4 - YF-29C A3
Danger! Please follow the below notes to avoid accidents like fire and explode:
＊Spark and hot workpiece can cause fire.
＊It may cause fire if the cable is not connected well or when the current circuit
of the steel or other workpiece are not connected completely.
＊Do not weld on the case of tinder stuff, or it may cause explode.
＊Do not weld airtight containers such as slot, pipe etc., or may break.
1. Do not p t tinder st ff in welding area.
2. Do not weld aro nd tinder gas.
3. Do not p t heat workpiece near the tinder st ff.
4. When weld the dooryard, gro nd and wall, do move away the tinder st ff aro nd.
5. The cable joint place sho ld be ins lated.
6. The cable joint of the workpiece sho ld be close eno gh to the welding place.
7. Do not weld those facilities with gas pipe or airtight slot.
8.P t fire exting isher aro nd the welding area in case of fire.
Notes! Please wear protective appliance to avoid arc, spark, residue and noise.
＊ Arc ray can cause eye inflammation or skin burnt.
＊Spark and residue will burn your eyes and skin.
1. When welding or s pervise welding, please se preventive facilities with eno gh shielding.
2. Please wear preventive glasses.
3. Please wear preventive facilities s ch as leather gloves, coat, foot-safeg ard and apron.
4. Set preventive shield screen aro nd the welding area to protect other people from harmf l arc rays.
Notes! Please follow the below notes to avoid gas cylinder toppling over or broken.
＊Toppling over of the gas cylinder will cause body hurt.
＊ Wrong use of the gas cylinder will lead to high-pressure gas eruption and
cause human hurt.
1. Use the gas cylinder correctly.
2. Use the eq ipped or recommended gas adj stment.
3. Read the man al of the gas adj stment caref lly before sing it, and pay attention to the safety
notes.
4. Fix the gas cylinder with appropriate holder and other relative parts.
USER MANUAL - 5 - YF-29C A3
5. Do not p t the cylinder nder high temperat re and s nshine.
6. Do not p t yo r face close to the gas cylinder exit when opening it.
7. P t on the gas shield when not se.
8. Do not p t the torch on the gas cylinder or to ch the electrode.
Notes! Any touch of the switch part will cause injury, please pay attention to the below
notes:
＊ Do not put fingers, hair, clothes etc. near to the moving parts such as the fan.
1. Do not se the machine when the ho sing is off.
2. Ask professional person to install, operate, check and maintain the machine.
3. Do not p t fingers, hair, clothes etc. near to the switch parts s ch as the fan.
Notes! Follow the below note as the wire end may cause body hurt:
＊The wire shoot out from the torch can stab eyes, face and other naked parts.
1. Before feeding the wire, do not look into the electric cond ction hole, or the wire shooted o t may
stab yo r eyes and face.
2. When feeding the wire man ally or press the torch, do not p t the torch end near to yo r eyes, face
and other naked parts.
Notes! Follow the below notes to ensure better work efficiency and power source:
＊No person under of in front of the machine when swing in case of injury!
1. Preca tions against toppling over.
2. Warning against the se of welding power so rce for pipe thawing.
3. Lift the power so rce from two sides when se the p-down forklift tr ck in case of toppling over.
4. When sing the crane for lift, tie the rope to the ears with an angle no more than φ15 to the vertical
direction.
5. If the machine is eq ipped with gas cylinder and wire feeder, download them from the power so rce
and ens re the horizontal of the machine. Do fix the gas cylinder with gall s or chain when moving it
in case of body h rt.
6. Ens re fastness and ins lation when sing the swing ring to lift the wire feeder in welding.
7. If the machine is eq ipped with gall s or handles, they are only for hands not for crane, fork-lift tr ck
or other swing eq ipments.
USER MANUAL - 6 - YF-29C A3
Notes for electromagnetism disturb:
1. It may need extra preventive meas res when the power is sed in some partial space.
2. Before the installation, please estimate the potential electromagnetism problems of the environment
as follows:
1) Upper and down parts of the welding eq ipments and other nearby power cable, control cable,
signal cable and phone cable.
2) Wireless electric as well as TV radiation and reception eq ipment.
3) Comp ter and other control eq ipments.
4) Safety-recognition eq ipment etc. Eg: s pervise of ind strial eq ipments.
5) Health conditions of the people aro nd. Eg: se of the heart pacemaker and a diphone.
6) Eq ipments for adj stment and meas rement.
7) Anti-dist rb capability of other sed eq ipments .Users sho ld ens re these eq ipments and the
environment are compatible, and this may need extra preventive meas res.
8) Practical state of the welding and other activities.
3. Users sho ld follow the below notes to decrease radiation dist rb:
1) Connect the welding eq ipments to the power s pply lines.
2) Maintain the welding eq ipments reg larly.
3) The cable sho ld be short eno gh to be close to each other and near to the gro nd.
4) Ens re the safety of all the metal parts and other parts nearby.
5) The workpiece sho ld be well connected to the gro nd.
6) Shield or protect the other cable and eq ipments to decrease the infl ence of dist rb. The welding
eq ipments can be f lly shielded nder special conditions.
4. Users are responsible for the dist rb problems ca sed by welding.
USER MANUAL - 7 - YF-29C A3
PRODUCT DESCRIPTION
MMA 120GDM/140GDM/160GDM,with its MMA and LIFT TIG f nction, is a m lti-f nction welding
machine that applies the most advanced inversion technology in the world.
The appearance of the invert TIG machine comes after the appearance of invert power theory and
parts. The principle of inversion is to transform the power freq ency of 50Hz/60Hz into direct c rrent
and invert it into high freq ency (33KHz) thro gh high-power device IGBT, then perform voltage-drop
and comm tation with the o tp t high-power D.C power s pply via f ll digital P lse Width Mod lation
(PWM) control technology. Since the switch power inversion technology is adopted, the weight and
vol me decrease greatly while the conversion efficiency increase for more than 30%
O r welding power so rce can offer stronger, more concentrated and more stable arc. When the
welding rod and work piece get short circ it, its response will be q icker. It means that it is easy to
design welding machine with different dynamic characteristics, and it can even adj st the
characteristics to make arc softer or harder.
Under MMA mode, the characteristic of the machine is slope, and has VRD f nction. The welding
c rrent, p sh c rrent and heat arc initiation c rrent se the same knob for synergic adj stment. And
with good arc initiation and stable power o tp t, the welding gap and q ality can reach the best effect.
Under TIG mode, the arc initiation is easy, and the arc is concentrated.
The machine, with small vol me, light weight and stable characteristic, can weld stainless steel, carbon
steel, copper and other color metal. Its transfer efficiency is above 85%.
Thanks for p rchasing o r prod cts and looking forward to yo r precio s advice, we will try o r best to
perfect o r prod cts and service
WARNING！
The machine is mainly used for industrial purpose. It will cause radio interference
indoor, operators shall take fully preventative measures.
USER MANUAL - 8 - YF-29C A3
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