Kemppi M 420MV FastMig Operating Manual Download Page 5

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© Kemppi Oy / 1515

EN

1. 

INTRODUCTION

1.1  General

Congratulations on choosing the FastMig welding equipment. Used correctly, Kemppi 

products can significantly increase the productivity of your welding, and provide years of 

economical service. 
This operating manual contains important information on the use, maintenance and safety of 

your Kemppi product. The technical specifications of the equipment can be found at the end 

of the manual. 
Please read the manual carefully before using the equipment for the first time. For your 

own safety and that of your working environment, pay particular attention to the safety 

instructions in the manual.
For more information on Kemppi products, contact Kemppi Oy, consult an authorised Kemppi 

dealer, or visit the Kemppi web site at www.kemppi.com.
The specifications presented in this manual are subject to change without prior notice.
Important notes
Items in the manual that require particular attention in order to minimise damage and 

personal harm are indicated with the 

’NOTE!’

 notation. Read these sections carefully and follow 

their instructions.
Disclaimer
While every effort has been made to ensure that the information contained in this guide 

is accurate and complete, no liability can be accepted for any errors or omissions. Kemppi 

reserves the right to change the specification of the product described at any time without 

prior notice. Do not copy, record, reproduce or transmit the contents of this guide without 

prior permission from Kemppi.

Summary of Contents for M 420MV FastMig

Page 1: ...FastMig M 420MV Operating manual Brugsanvisning Manual de instrucciones Manual de utiliza o EN ES PT NO...

Page 2: ......

Page 3: ...OPERATING MANUAL English...

Page 4: ...achine 6 2 2 Distribution network 6 2 3 Connection to the mains supply 7 2 4 Welding and earth return cables 7 3 Operation controls 8 3 1 Main switch I O 8 3 2 Pilot lamps 8 3 3 Operation of cooling f...

Page 5: ...more information on Kemppi products contact Kemppi Oy consult an authorised Kemppi dealer or visit the Kemppi web site at www kemppi com The specifications presented in this manual are subject to cha...

Page 6: ...Warning lamp for thermal protection 4 Main switch 5 Welding connection 6 Earth connection 7 Control cable connection 8 Inlet of mains cable 1 3 Accessories 1 3 1 Remote control devices R10 1 1 Contro...

Page 7: ...s are correctly fastened Loose connectors can impair welding performance and damage connectors Liquid cooled system FastMig power source MXF FastCool 10 1 4 8 2 3 9 5 6 7 10 1 MXF wire feed unit 2 Fas...

Page 8: ...e against heavy rain and direct sunshine NOTE The machine should not be operated in the rain as the protection class of the machine IP23S allows for outside preserving and storage only NOTE Never aim...

Page 9: ...OTE If you are using 5 lead cable do not connect neutral conductor Sizes of the mains cables and fuse ratings for the machine at 100 duty cycle are specified in the table below Rated voltage Fuses slo...

Page 10: ...will continue to run and cool the machine down and when the lamp is off the machine is ready to weld 3 3 Operation of cooling fan In FastMig power sources there are two simultaneously operating fans...

Page 11: ...t and wait about 2 minutes capacitor charge before removing the cover plate Check at least every half year Electric connectors of the machine clean any oxidized parts and tighten loose connections NOT...

Page 12: ...The machine is designed to withstand 3 x 440 V voltage continuously Ensure that voltage is kept within this permissible limit especially when the mains supply is provided by a combustion engine gener...

Page 13: ...MXF 63 To be used with MR panels 6152300 Panels for wire feeders FastMig MR 200 6136100 FastMig MR 300 6136200 FastMig MS 200 6136300 FastMig MS 300 6136400 Accessories Return current cable 5 m 50 mm...

Page 14: ...V 44V Open circuit voltage MMA U0 48 53V Uav 50V U0 48 53V Uav 50V MIG MAG U0 60 65V U0 53 58V Idle power 25W 25W Efficiency at max current 87 87 Power factor at max current 0 85 0 82 Operating temper...

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Page 16: ...5428 LANGG NS DEUTSCHLAND Tel 49 6 403 7792 0 Telefax 49 6 403 779 79 74 sales de kemppi com KEMPPI SP KA Z O O Ul Borzymowska 32 03 565WARSZAWA POLAND Tel 48 22 7816162 Telefax 48 22 7816505 info pl...

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