WARPP INARC-400 I User Manual Download Page 1

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User’s Manual

INARC – 400 I / 630 I

Inverter Based Arc Welding Machines

WARPP ENGINERERS PVT.LTD.

Survey No. 36, House No. 15/3,Unique Industrial Estate
Dhumal Nagar Vasai (East) Distt. Palghar (Maharashtra) INDIA –
PIN -401208
Tel : 8551817744 / 8551819944 / 8551817868 - 69 / 8551812002

Customer Care Tel : 8080808734
Email :

[email protected]

. Website : www.warpp.co.in

Summary of Contents for INARC-400 I

Page 1: ...ARPP ENGINERERS PVT LTD Survey No 36 House No 15 3 Unique Industrial Estate Dhumal Nagar Vasai East Distt Palghar Maharashtra INDIA PIN 401208 Tel 8551817744 8551819944 8551817868 69 8551812002 Customer Care Tel 8080808734 Email service warpp co in Website www warpp co in ...

Page 2: ...P ENGINEERS PVT LTD OR It s Dealer immediately Check for the accessories supplied against those listed in packing slip Caution Before attempting to connect the equipment to any Power source read instructions carefully In case any defect or deficiency contact WARPP ENGINEERS PVT LTD or its authorized Agent Make sure to quote model number and serial number of the equipment in all correspondence THE ...

Page 3: ...Working Condition Environment Required 4 Technical Specification 5 Working Principle 6 Installation 7 Controls 8 Parameters its operational meaning 9 How to operate the machine 10 Do s Don ts 11 Trouble Shooting 12 Wiring Diagram 13 Maintenance 14 Spare Part List ...

Page 4: ...er to power supply by using proper sized well insulated copper wire When operating in the damp space limited area must ensure well insulated between body and work piece When operating in the high rising location must ensure safety by using safe net Please power off the input voltage while no longer using Avoid breathing in hazardous welding fume or gas Please use specified ventilation to prevent b...

Page 5: ...ground else if injure will exerts on Never place bottle under high temperature or straight sunlight Never let your face near gas outlet while turning on the gas valve to prevent from being hurt by pressure gas Customer should use the gas regulator provided by our company and comply with the proper instruction Avoid being hurt by welding machine while in transport When moving the welding machine by...

Page 6: ... machines have the following features i Invert technology can assured welding current high stability and arc length consistency in fluctuating input supply Welding arc enjoys high self adjustability and high strength ii Low spatter iii Easy to start arc iv High deposit efficiency v Machine is having Adjustable Arc Striking vi With remote control function welding parameters can be adjusted at exten...

Page 7: ...t the machine to the electric supply through a preferably D type MCB of suitable capacity 10 Use cables with proper cross section based on the input power requirement of the machine Please refer to technical specification page for input power of the machine 11 When long cables are used you need to select higher cross sectional area of conductors to avoid voltage drop during the usage Selection gui...

Page 8: ...ngle phase machine of 5 KVA you would need 23 6 3 8Sq mm cable You can choose 4sq mm cable From the above for a three phase machine of 5 KVA you would need 7 6 1 16Sq mm cable You can choose 1 5 sq mm copper cable for each phase Note When the length of the cable is short the required cross section for input cable will come down Below table will help you in selecting the right size of welding cable...

Page 9: ...ted Input Power 18 4 KVA 35KVA Rated input current 22A 45A Rated duty cycle 60 Range of output current 20 400A 30 630A Open Circuit Voltage OCV 75 85 VDC Full load efficiency 89 Power factor at full load 0 95 Welding electrode diameter 2 5mm 2 6mm Weight 43Kg 55Kg Dimension 610 300 590 mm 690 330 590 mm Class of Insulation Class H ...

Page 10: ...ed high frequency transformer which steps down the voltage to acceptable welding voltage and increases the current to required level The output of the transformer is fed to a high frequency rectifier circuit which converters this AC to DC for various welding applications In the case of machines having capability to deliver both and AC DC outputs for welding this DC is fed to one more inverter circ...

Page 11: ... welding and most commonly used are as under Constant current CC power source Constant Voltage CV power source CC CV power source Please refer to the below chart for process wise recommended power source types Process Power source type SMAW CC GTAW CC GMAW FCAW CV SAW CV is commonly used and sometimes CC is used Plasma Cutting CC ...

Page 12: ...constant current type power source Relationship between the voltage and current for different process in CC type power source is as under SMAW V I 0 04 20 GTAW V I 0 04 10 Constant Voltage CV type power source Constant voltage characteristics are also called as Flat characteristics Typical V I curve of such power source is shown below Here the voltage remains stable even if the arc length varies W...

Page 13: ...ess in CV type power source is as under GMAW V I 0 05 14 FCAW V I 0 05 18 Note Some power source have both CC and CV characteristics The explanation given above is general and the capability of the machines depends on the model number of the machine purchased by you ...

Page 14: ...nput supply to the machine Supply voltage must be in the range of 400 V _ 10 as mentioned in the Technical specification of this manual 6 Power supply The size of fuse and breaker in the table are for reference 7 Connect the electrode holder to the Ve terminal earthing cable to the Ve terminal of the machine 8 Connect remote controller If needed Product type INARC 400 I INARC 630 I Power supply 3 ...

Page 15: ...6 INSTALLATION DIAGRAM OF INARC 400 I ...

Page 16: ...is LED will on if there is problem in the machine 4 A V Switch This is selector switch to see the welding current or welding voltage 5 Panel Remote Switch This is also selector switch to set the output current of the machine If it is kept on panel current can be adjusted from panel if it is kept on remote then current can be adjusted through remote pendant away from the machine 6 Welding Current P...

Page 17: ...be job 10 Arc Force This pot is provided to adjust the arc force during welding 11 Start Current This pot is provided to adjust the start current It will increase the initial high current with respect to set welding current Rear Panel 1 Cooling Fan It is provided to cool the machine while welding 2 MCB This is provided to switch on or switch off the machine 3 Input Cable This is provided to give t...

Page 18: ...Pot as per below chart Table 1 SMAW welding parameters Work piece thickness mm 1 2 3 4 5 6 12 13 Electrode diameter mm 1 5 2 3 2 3 2 4 4 5 5 6 Welding current A 30 50 40 60 90 110 90 130 160 250 250 400 a ARC FORCE Arc force is the extra voltage required during welding when welders hand is becoming up down It is in the percentage graduation according to arc voltage It can be adjusted with the help...

Page 19: ...h on the MCB of the machine provided on the rear side of the machine 3 Set the output current as per required welding rod from panel or through remote 4 Start welding on the plate or job Adjust the welding current as per requirement 5 Switch off the machine when welding is over 6 Switch off the main switch ...

Page 20: ...e the higher current than recommended Use proper welding cable size Never use long cable if not required Use proper welding angle Never use long arc Make firm connection of welding cable Never use the joint of cable unless proper technique is used to join the cable Keep the machine in proper shade to protect it from rain direct sun light Don t keep the machine in open ground or site ...

Page 21: ...g switched on 1 MCB faulty 2 Three phase bridge faulty 3 IGBT may faulty 1 Check and replace 2 Check replace 3 Check replace 3 Fluctuation in welding current 1 One Phase missing 2 Panel Remote switch faulty 3 Main PCB faulty 4 Drive PCB faulty 5 POT of welding current faulty 1 Check and ensure 2 Check replace 3 Check replce 4 Check replace 5 Check replace 4 Welding current is not adjustable 1 POT ...

Page 22: ...12 Wiring Diagram ...

Page 23: ...ntainer every 3 4 months Check if the bolt is loose 2 Check frequently if control cables are worn out adjusting knobs are loose and components of panel are damaged 3 Check output cable periodically if jointers are loose or plugs are distorted and then please repair it in time otherwise the sockets will burn out Warning Don t open up side panel of the machine uninstructed the max voltage inside the...

Page 24: ...0 JJ PCB SA00029 SA00029 KNOB FOR THE POT SP01979 SP01979 MAIN TRANSFORMER SA00038 SA00035 MCB SP02488 SP02468 MOV SP00079 SP00079 MAIN PCB SP02385 SP02385 OUTPUT RECTIFIER MODULE SP02703 SP02703 OUT PUT CONNECTOR RED SA00039 SA00039 OUT PUT CONNECT BLACK SA00040 SA00040 OVERCURRENT PROTECTION PCB SA00023 SA00021 POTENTIOMETER FOR CURRENT STRIKING CURRENT ARC FORCE SP02827 SP02827 SNUBBER CARD SA0...

Page 25: ...SPARE PARTS IN DETAILS TOP VIEW SIDE VIEW LEFT ...

Page 26: ...SIDE VIEW RIGHT FRONT VIEW 1 ...

Page 27: ...FRONT VIEW 2 ...

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