NXS 150– Dual Voltage OPERATING MANUAL
Contents
1. The equipment you have just acquired will give you entire satisfaction if you respect the operating and maintenance instructions Its design the specification of the components and its manufacture are in accordance with the existing rules French standards NF ISO and CEI international injunctions EEC general lines and CEN CENELEC standards In this chapter you will find safety rules in the use of electric arc welding power sources with coated electrodes We give you hereunder a list of recommandations and obligations you have to respect Safety rules must be observed and particulary those relating to Decree 88 1056 dated November 14 1988 concerning protective measures against electric currents 2 ELECTROMAGNETIC COMPATIBILITY 2 1 DECLARATION OF CONFORMITY NEXUS hereby declares that the machine object of this manual complies with the following European regulations Electromagnetic compatibility Rule 89 336 EEC of 3 05 89 modified by rules 92 31 EEC of 28 04 1992 and 93 68 EEC of 22 07 1993 Low voltage Rule 73 23 EEC of 19 02 1973 modified by rule 93 68 EEC of 22 07 1993 and with the national legislation transposing them NEXUS also declares that following harmonised standards have been applied EN 50199 1995 Electromagnetic compatibility CEM Product norm for arc welding material EN 50060 1990 Current source for arc manual welding with limited service EN 60974 1 Security ru2. NXS 150 ou Voltage OPERATING MANUAL Thank you for purchasing a Nexus quality product This machine is a quality built modern inverter and uses the latest technology in power electronics It should give you years of satisfaction if the safety operating and maintenance instructions in this manual are complied with fully In the interest of your safety and others we strongly recommend you read very carefully all chapters concerning safety and personal protection and all operating instructions before using this machine NEXUS reserves the right to make changes without previous notification Illustrations descriptions and characteristics are not contractually binding and do not engage the responsibility of the supplier or manufacturer USER S MANUAL Page 2 20 NXS 150 Notice NOT 083 Rev 00 Date 13 10 05 TABLE OF CONTENTS WARRANTY POLICY STATEMENT 1 WARRANTY STATEMENT a2 ry Rr Pe RI 5 SAFETY 2 ELECTROMAGNETIC COMPATIBILITY eeeeee scene eene eene tane ta setas ns 6 21 DECLARATION OF CONFORMITY ceecee 6 22 INSTALLATION AND USB triente teer i a E a ES 6 22 1 ASSESSMENT OF AREA ORE EU EE PORE E ERE EE ETUR TEE EE EO DET RO EY 7 2 22 METHODS OE REDUCING EMISSIONS E e re
3. is gt 25 Let the machine cool it will automatically start again Insufficient cooling air Clean the air inlets Very dusty machine Open the machine and blow it through Fan doesn t start Replace the fan IMPROPER WELDING Wrong electrode polarity Use the right polarity according to the indications of electrode s manufacturer USER S MANUAL Page 18 20 17 WIRING DIAGRAM i PE MAIN SUPPLY 110V 230VAC 50 60HZ m Current Adj CURS PRIMARY RECTIFIER MAIN TRANSFORMER MAIN 193211 FAN 12UDC OUTPUT OUTPUT INDUCTOR TITLE NEXUS NXS 150 Dual Voltage TITLE 110 230Volt Document Number Date 21 11 2005 EEE Leengate Welding Group Ltd Redfield Road Lenton Nottingham NG7 2UJ 0044 0 115 986 7880 NEXUS reserves the right to make changes without previous notification Illustrations descriptions and characteristics are not contractually binding and do not engage the responsibility of the manufacturer
4. 4 Equipotent bonding Bonding of all metallic components in the welding installation and adjacent to it should be considered However metallic components bonded to the work piece will increase the risk that the operator could receive an electric shock by touching these metallic components and the electrode at the same time The operator should be insulated from all such bonded metallic components 2 2 2 5 Earthing of the workpiece Where the workpiece is not bonded to earth for electrical safety nor connected to earth because of its size and position e g ships hull or building steelwork a connection bonding the workpiece to earth may reduce emissions in some but not all instances Care should be taken to prevent the earthing of the workpiece increasing the risk of injury to users or damage to other electrical equipment Where necessary the connection of the workpiece to earth should be made by a direct connection to the workpiece but in some countries where direct connection is not permitted the bonding should be achieved by suitable capacitance selected according to national regulations 2 2 2 6 Screening and shielding Selective screening and shielding of other cables and equipment in the surrounding area may alleviate problems of interference Screening of the entire welding installation may be considered for special applications 3 ELECTRIC SAFETY 3 1 CONNECTION OF THE WELDING POWER SOURCE TO THE NETWORK Before connect
5. V 230 V PRIMARY Single phase power supplie 110 V 13 230 V 13 Frequency Maximum primary current Maximum power consumption Power factor cos SECONDARY Off load voltage Welding current range 3 120 3 150 Welding current at 35 96 150 Welding currentat 60 afl gt Welding current at_100 NN NOTE When the machine is supplied in 110V the welding current is limited to 120A lt USER S MANUAL Page 14 20 CH NXS 150 Date 13 10 05 SETTING UP 7 CONNECTION TO THE MAIN SUPPLY The power source must be connected to a single phase 230V or 110V 50 Hz 60 Hz mains ground with a tolerance of 1396 It has built in over voltage protection if the power supply is 110V which allows engine driven generator supply Main supply must be protected by fuses or circuit breaker according to the value l1e written on the specifications of the power source It is strongly suggested to use a differential protection for the operator s safety 8 CONNECTION TO THE GROUND For the operator s protection the power source must be correctly grounded according to the International Protections Norms It is absolutely necessary to set a good ground connection installation with the green yellow leading of the power c
6. according to the manufacturer s recommendations If interference occurs it may be necessary to take additional precautions such as filtering of the public supply system Consideration should be given to shielding the supply cable of permanently installed arc welding equipment in metallic conduit or equivalent Shielding should be electrically continuous throughout its length The shielding should be connected to the welding power source so that good electrical contact is maintained between the conduit and the welding power source enclosure 2 2 2 2 Maintenance of the arc welding equipment The arc welding equipment should be routinely maintained according to the manufacturer s recommendations All access and service doors and covers should be closed and properly fastened when the arc welding equipment is in operation The arc welding equipment should not be modified in any way except for those changes and USER S MANUAL Page 7 20 Notice NOT 083 IX NXS 150 Date 13 10 05 SAFETY 4 adjustments covered in the manufacturer s instructions In particular the spark gaps of arc striking and stabilising devices should be adjusted and maintained according to the manufacturer s recommendations 2 2 2 3 Welding cables The welding cables should be kept as short as possible and should be positioned close together running at or close to the floor level 2 2 2
7. ventilated place Avoid any leakage by limiting the number of connections or couplings to a minimum USER S MANUAL Page 12 20 NXS 150 Date 13 10 05 DESCRIPTION 5 GENERAL CHARACTERISTICS NXS 150 welding machines have been designed as integrated and portable units using the latest techniques in power electronics based on an inverter process with IGBT which enables the following a considerable reduction of weight and volume the dynamic control of the welding current the specific protection of power components a high power in a small space at a very low power consumption NXS 150 unit allows two possibilities of mains power supply 110V or 230 V It automatically senses the input voltage value smart link TM without needing any switching by the operator This machine has built in over voltage protection only when its power supply connection is 110 Volts which allows engine driven generator supply It allows stick welding with coated electrodes and TIG process with a valve torch 6 TECHNICAL CHARACTERISTICS DIMENSIONS in mm USER S MANUAL Page 13 20 NXS 150 083 00 Date 13 10 05 DESCRIPTION For ambient temperature 40 NXS 150 110
8. 0 Welding process connected techniques 11 12 13 14 Coated electrodes 10 MIG on heavy metals 10 11 12 13 14 MIG on light alloys 10 11 12 13 14 15 TIG on all metals 11 12 13 14 10 11 12 13 14 15 Air Arc gouging 10 11 12 13 14 15 Plasma cutting 11 12 13 Depending on the conditions of use the next highest or lowest category number may be used The expression heavy metals covers steels alloyed steels copper and its alloys The shaded areas represent applications where the welding processes are not normally used at present CARE Use a higher degree of filters if welding is performed in premises which are not well lighted USER S MANUAL Page 11 20 NXS 150 20 4 Date 13 10 05 SAFETY 4 2 RISK OF INTERNAL INJURIES GASES AND FUMES Gases fumes produced during the welding process can be dangerous and hazardous to your health Arc welding works have to be carried out in suitable ventilated areas Ventilation must be adequate to remove gases and fumes during operation All fumes produced during welding have to be removed as soon as they are given off and as close as possible from the place they are produced to be the most efficient Vapours of chlorinated solvents can form the toxic gas phosgene when exposed to ultraviolet radiatio
9. 1 Cover 9 B00011 TH Front fascia 10 B01062 Knob diam 23 11 010316 Strap 12 105890 Cable anchorage 13 L93213 Front panel PC board B04015 Thermostat 80 C J05004 PCB insulator 205 248 USER S MANUAL Page 17 20 Notice NOT 083 NXS 150 Rev 00 OG Date 13 10 05 MAINTENANCE 15 MAIN PCB REF L93211 Connector J1 J5 Connector J2 Connector J3 Connector J4 Connector J6 110V 230V AC main supply protected against over voltage on main supply Protective earth connection Connection for 12V dc fan pin 1 pin 2 pin 1 amp 2 thermostat on diode front panel flat cable connection pin 1 maximum of front panel potentiometer pin 2 cursor of front panel potentiometer pin 3 electronic ground minimum of front panel potentiometer Connector J7 connector Flat cable connection on front panel potentiometer corresponding to pin 1 2 and 3 of J6 16 TROUBLE SHOOTING POSSIBLE CAUSES CHECKING REMEDY GREEN AN D ORANGE INDICATORS OFF z NO SUPPLY ON OFF main switch is OFF Put the switch ON Power supply cable is cut Check cable and connections No main supply Check circuit breaker and fuses Defective ON OFF main switch Replace the switch GREEN AND ORANGE INDICATORS ON z WARMING UP Duty cycle over rated particulary if ambient t
10. G or MIG inert gases 12 4 3 1 COMPRESSED GAS CYLINDERS u Pre He rein ee e e p Eee fe ie tree eb ibn aan 12 4 3 2 PRESSURE RELIER VALVE en pte E td rebote 12 4 3 3 DETAILS ABOUT GASES USER S MANUAL Page 3 20 NXS 150 Notice NOT 083 Rev 00 Date 13 10 05 TABLE OF CONTENTS SETTING UP 7 CONNECTION TO THE MAIN SUPPLY ann een 15 8 CONNECTION TO THE GROUND sauna enden 15 9 PRELIMINARY PRECAUTIONS 15 10 DESCRIPTION THE FRONT PANEL nee ia ER esp np EINE RN ERU 16 11 DESCRIPTION OF THE BACK PANEL etie 16 16 18 MAINTENANCE een 17 14 SPARBPARTS ss ee 17 15 MAINPCB REF L932 nenne 18 TROUBLE SHOOTING nennen ee 18 1 WIRING DIAGRAM nei ee 19 USER S MANUAL Page 4 20 Notice NOT 083 5 NXS 150 Date 13 10 05 WARRANTY POLICY STATEMENT 1 STATEMENT OF WARRANTY FOR NEXUS MACHINES Limited Warrant Elegante Welding Group Limited the Supplier warrants that subject to the conditions exclusions and limitations set out in clause 8 of the Supplier s Terms and Conditions of Sale and in this Statement of Warranty which shall operate in conjunction with
11. able This will avoid discharges caused by accidental contacts with grounded pieces If no earth connection has been set a high risk of electric shock through the chassis of the unit remains possible 9 PRELIMINARY PRECAUTIONS For the good operation of your welding power source make sure that the air flow produced by the fan inside the unit is not obstructed Also try to operate in a non dusty area Avoid all impacts exposure to damp areas or excessive temperatures USER S MANUAL Page 15 20 NXS 150 Notice NOT 083 De Rev 00 Date 13 10 05 USING 10 DESCRIPTION OF THE FRONT PANEL REPERE DESIGNATION F1 Welding current knob F2 Power terminal 4 F3 Warning indicator F4 Power ON indicator F5 Power terminal REPERE DESIGNATION B1 Input cable B2 ON OFF main switch 12 WELDING Connect the power source to the main supply and the ground as explained in the chapter Setting up as para 6 and 7 The NXS 150 unit automatically recognizes the value of the power supply Connect the ground cable and the electrode holder to the appropriate power connections F2 and F5 according to the electrode polarity being used refer to the electrodes manufacturer s datasheets Start up the power source with the switch ON OFF B2 When
12. and not in whole or in part to the exclusion of each other its products will be free of defects in workmanship and materials Should any failure to conform to this warranty within the warranty period applicable to the Supplier s products as stated below the Supplier shall upon notification of such failure or defect and substantiation that the product has been stored installed operated and maintained in accordance with the Supplier s specifications instructions recommendations and recognized standard industry practice and not subject to misuse repair neglect alteration or accident correct such defects by suitable repair or replacement at the Supplier s sole option of any components or parts of the product determined by the Supplier to be defective The Supplier makes no other warranty express or implied than the warranties given in clause 8 1 of the Supplier s Terms and Conditions of Sale and in this Statement of Warranty These warranties are exclusive and to the fullest extent permitted by law in lieu of all others including but not limited to any warranty of merchantability satisfactory quality or fitness for any particular purpose Limitation of liability Except in respect of any matters for which the supplier may not by law exclude or limit its liability i the liability of the Supplier with respect to any contract or anything done in connection with any contract such as the performance or breach thereof or from the manufact
13. by allowing parallel welding current return paths which may damage the earth circuits of other equipment Further guidance is given in IEC 62081 Arc welding equipment Installation and use under consideration 2 2 1 ASSESSMENT OF AREA Before installing arc welding equipment the user shall make an assessment of potential electromagnetic problems in the surrounding area The following shall be taken into account a Other supply cables control cables signalling and telephone cables above below and adjacent to the arc welding equipment b Radio and television transmitters and receivers c Computer and other control equipment d Safety critical equipment e g guarding of industrial equipment e The health of the people around e g the use of pacemakers and hearing aids f Equipment used for calibration or measurement g The immunity of other equipment in the environment The user shall ensure that other equipment being used in the environment is compatible This may require additional protection measures h The time of day that welding or other activities are to be carried out The size of the surrounding area to be considered will depend on the structure of the building and other activities that are taking place The surrounding area may extend beyond the boundaries of the premises 2 2 2 METHODS OF REDUCING EMISSIONS 2 2 2 1 Public supply system Arc welding equipment should be connected to the public supply system
14. ctive clothing gloves aprons safety shoes offer the additional advantage to protect the operator against burns caused by hot pieces and spatter This protective equipment should be kept in good order and checked on a regular basis 4 1 2 FACE AND EYES It is absolutely necessary to protect your eyes against arc rays Protect your hair and your face against sparks The welding shield with or without headset is always equipped with a proper filter according to the arc welding current NS S 77 104 A 88 221 A 88 222 standards In order to protect shaded filter from impacts and sparks you have to add a plain glass in front of the shield The helmet provided with your equipment if requested is equipped with a protective filter When you want to replace it precise the reference and number of opacity degree of the filter Use the shade of lens as recommended in the instruction manual opacity graduation number Protect others in the work area from arc rays by using protective booths UV protective goggles and if necessary a welding shield with appropriate protective filter on NF S 77 104 by A 1 5 USER S MANUAL Page 10 20 NXS 150 Notice NOT 083 Rev 00 Date 13 10 05 SAFETY Opacity gradation numbers and recommended use for arc welding Current intensity in Amps 40 80 125 175 225 275 350 450 60 100 150 200 250 300 400 50
15. ement of Warranty 1 shall become invalid in respect of any product of the Supplier if replacement parts or accessories are incorporated or used in such product which in the Suppliers sole judgement may impair the safety or performance of that product or if such product is sold by any non authorised person s ii do not cover fair wear and tear of any of the Supplier s products and iii do not apply to any consumable parts of or accessories for any of the Supplier s products Subject to the conditions exclusions and limitations set out in clause 8 of the Supplier s Terms and Conditions of Sale and in this Statement of Warranty the warranty given in this Statement of Warranty shall remain effective in respect of any product of the Supplier for the period of one 1 year from the date the Supplier delivers the product to the Purchaser subject to 1 any extension of such warranty period requested by the Purchaser and agreed to in writing by the Supplier and ii any further conditions exclusions and limitations over and above those set out in clause 8 of the Supplier s Terms and Conditions of Sale and in this Statement of Warranty which must be satisfied for the Supplier to provide its agreement to such extension and or which shall apply during the period of such extension Issue 3 November 2005 USER S MANUAL Page 5 20 Notice NOT 083 IX NXS 150 Date 13 10 05 SAFETY
16. es are marked according to standards if consistent with the safety rules They can be controlled either by you or by accredited firms Maintenance and repair works of conduits and liners have to be properly carried out Section VI Art 47 Repair or replace all defective accessories Check periodically that the electrical connections are tightened and do not heat USER S MANUAL Page 9 20 Notice NOT 083 I NXS 150 u P Date 13 10 05 SAFETY 3 5 RISKS OF FIRE AND EXPLOSION Welding can cause risk of fire or explosion You have to pay attention to fire safety regulation Remove flammable or explosive materials from welding area Always have sufficient fire fighting equipment Fire can break out from sparks even several hours after the welding work has been finished 4 INDIVIDUAL PROTECTION 4 1 RISK OF EXTERNAL INJURIES 4 1 1 THE WHOLE BODY Arc rays produce very bright ultra violet and infra red light They will damage yours eyes and burn your skin if you are not properly protected The welder is dressed and protected according to the constraints his works impose him Insulate yourself from the workpiece and the ground Make sure that no metal piece especially those connected to the network can come into contact with the operator The welder must always wear an individual insulating protection decree of 14 12 1988 article 3 3 Prote
17. ing your equipment you must check that The meter the safety device against over currents and the electric installation are compatible with the maximum power and the supply voltage of the welding power source refer to the instructions plates The connection either single phase or three phase with earth can be effected on a socket compatible with the welding power source cable plug If the cable is connected to a fixed post the earth if provided will never be cut by the safety device against electric shocks The ON OFF switch if exists situated on the welding power source is turned off USER S MANUAL Page 8 20 Notice NOT 083 IX NXS 150 Date 13 10 05 SAFETY 32 WORKING AREA The use of arc welding implies a strict respect of safety conditions with regard to electric currents Decree dated 14 12 1988 is necessary to check that no metal piece accessible to the operators and to their assistants can come into direct contact with a phase conductor and the neutral of the network In case of uncertainty this metal part will be connected to the earth with a conductor of at least equivalent section to the largest phase conductor Make sure that all metal pieces that the operator could touch with a non insulated part of his body head hands without gloves on naked arms is properly grounded with a conductor of at least equivalent section
18. les for electric welding material Part 1 welding current sources EN 50192 1995 Arc welding material plasma cutting systems 22 INSTALLATION AND USE The machine object of this manual complies with the European regulations about electromagnetic compatibility 89 336 CEE It also complies with EN 50199 standard Electromagnetic compatibility product standard for welding machines The user is responsible for installing and using the arc welding equipment according to the manufacturer s instructions USER S MANUAL Page 6 20 Notice NOT 083 IX NXS 150 Date 13 10 05 SAFETY 4 If electromagnetic disturbances are detected then it shall be the responsibility of the user of the arc welding equipment to resolve the situation with the technical assistance of the manufacturer In some cases this remedial action may be as simple as earthing the welding circuit see Note In other cases it could involve constructing an electromagnetic screen enclosing the welding power source and the work complete with associated input filters In all cases electromagnetic disturbances shall be reduced to the point where they are no longer troublesome NOTE The welding circuit may or may not be earthed for safety reasons Changing the earthing arrangements should only be authorised by a person who is competent to assess whether the changes will increase the risk of injury e g
19. n dk en quenti bna as 7 2 22 PubliciSupply Syslem oett 7 2 2 2 2 Maintenance of the arc welding 4 7 22 23 Weldine cablesu anbietet oet te iter 8 22 24 Bquipotental bonding ein ener ene tee 8 2235 Barthug Of the WOPKpIeCe e iei in 8 2 22 6 Screening and Shiel din Wyss iiec entier bl i eee ae 8 3 o 8 3 1 CONNECTION OF THE WELDING POWER SOURCE TO THE NETWORK eere 8 52 WORKING AREA cette esent Fee 9 3 3 INTERVENING creerea tir rette IE EXE EE FREE EUH REESE REPE ERE EXE ES PR E Rege ERE Rep eR 9 S MEUS IUS 9 3 37 RISKS OF FIRE AND EXPLOSION eier PEE E PEE eS 10 4 INDIVIDUAL PROTECTION crees eere netos etas eta seta ease ta 10 4 1 RISK OF EXTERNAL enne enne nne en nnne 10 4 1 1 THE WHOLE BODY ital u avin eite cita eren bebe bu 10 4 1 2 EYES deerit sede Meri eis rA EN 10 42 RISK OP INTERNAL INJURIES In Re in Bee ENTE ee ERE PER 12 4 3 SAFETY IN THE USE OF GASES welding with TI
20. n from an electric arc 4 3 SAFETY IN THE USE OF GASES WELDING WITH TIG OR MIG INERT GASES 4 3 1 COMPRESSED GAS CYLINDERS Compressed gas cylinders are potentially dangerous Refer to suppliers for proper handling procedures No impact secure the cylinders and keep them away from impacts No excess heat over 50 4 3 2 PRESSURE RELIEF VALVE Check that the pressure relief screw is slackened off before connecting to the cylinder Check that the union is tight before opening the valve of the cylinder Open it slowly a fraction of a turn If there is a leak NEVER tighten a union which is under pressure but first close the valve on the cylinder Always check that hoses are in good condition 4 3 3 DETAILS ABOUT GASES Gas and gaseous mixtures containing less than 20 of If these gases or mixtures take the place of the oxygen in the air there is a danger of asphyxia An atmosphere containing less than 1796 oxygen is dangerous hydrogen and hydrogen based combustible gaseous mixtures These are very light gases In the case of leaks they collect under the ceiling Provide for ventilation at ceiling level These are also inflammable gases The flame of hydrogen is almost invisible There is therefore a risk of burns Air hydrogen and oxygen hydrogen mixtures are explosive in the following proportions 4 to 74 5 96 of hydrogen in air 4 to 94 of hydrogen in oxygen Store the bottles in the open or in a well
21. to the biggest supply cable of the ground clamp or welding torch If more than one metal ground is concerned they need to be all interlinked in one which must be grounded in the same conditions Unless very special care have been taken do not proceed to any arc welding or cutting in conductive enclosures whether it is a confined space or the welding machine has to be left outside Be even more prudent when welding in humid or non ventilated areas and if the power source is placed inside Decree dated 14 12 1988 Art 4 3 3 INTERVENING Before carrying out any internal checking or repair work check that the power source has been separated from the electrical installation by locking and guard devices The current plug has to be taken out Provisions have to be taken to prevent an accidental connection of the plug to a socket Cut off through a fixed connecting device has to be omnipolar phases and neutral It is in the OFF position and cannot be accidentally put into operation Maintenance works of electrical equipment must be entrusted to qualified people Section VI Art 46 3 4 MAINTENANCE Check the good state insulation and connection of all the equipment and electrical accessories plugs and flexible supply cables cables NF A 32 510 conduits connectors extension cables NF A 85 610 and CENELEC HD 433 sockets on the power source ground and electrode holder clamps NF A 85 600 These connections and mobile accessori
22. ure sale delivery resale or use of any of the Supplier s products whether arising out of contract or tort including negligence or under any warranty or otherwise shall not except as expressly provided in clause 8 of the Supplier s Terms and Conditions of Sale and or this Statement of Warranty exceed the price of the products upon which such liability is based and ii The Supplier shall not under any circumstances be liable for any special indirect or consequential loss or damages such as but not limited to loss or damage of purchased or replacement products or any claims brought by customers of any distributor of the Supplier s products the Purchaser for service interruption The remedies of the Purchaser set out in clause 8 1 of the Suppliers Terms and Conditions of Sale and in this Statement of Warranty in respect of any breach of the warranties given in clause 8 1 of the Supplier s Terms and Conditions of Sale and in this Statement of Warranty are exclusive and to the fullest extent permitted by law in lieu of all other rights and remedies available to the Purchaser under contract at law or in equity No employee agent or representative of the Supplier is authorised to change any of the warranties given in clause 8 1 of the Suppliers Terms and Conditions of Sale and or in this Statement of Warranty in any way or grant any other warranty The warranties given in clause 8 1 of the Supplier s Terms and Conditions of Sale and in this Stat
23. you start the power source the orange indicator F3 illuminates but goes out immediately if no failure has been found The green indicator F4 illuminates and indicates that the machine is live Adjust welding current with potentiometer F1 Place the electrode on the piece you have to weld in order to strike the arc Arc force control Adjustment of arc force control is not possible but it is optimised for welding with a large range of rutile and basic electrodes USER S MANUAL Page 16 20 fe 4 NXS 150 Notice NOT 083 Rev 00 MAINTENANCE Date 13 10 05 13 MAINTENANCE CAUTION BEFORE OPENING the unit disconnect the power source from the mains Voltages are high and dangerous inside the machine In spite of their robustness NEXUS power sources require some regular maintenance Once every 6 months more often in dusty surroundings the machine must be blown through with dry oil free compressed air check for continuity all electrical connections J Check all cable connections including ribbon cables 14 SPARE PARTS ITEM REFERENCE DESCRIPTION 1 105822 Black back frame 2 V01002 Fan 12Vdc supply 3 B05025 ON OFF main switch 4 105801 Chassis 5 105812 Black front frame 6 E10207 TH Main PCB 7 T18107 Complete inductor 8 10583
Download Pdf Manuals
Related Search