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NewArc R2500 Instruction Manual

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Important Information
The R2500 is a 250 amp constant current welding power source
based on IGBT technology. The Inverter drive circuitry operates
above the audio frequency spectrum making the R2500 virtu-
ally silent in operation. The high operational frequency also
means that the R2500 is able to respond quickly to changing
arc dynamics, making for a very smooth , stable arc.
The R2500 is capable of TIG welding with the addition of an
external TIG control unit (TIG300).
INSTRUCTION MANUAL
To maintain continued developments of our products we reserve the right to alter specifications as quoted without prior notice
R2500
Newarc Ltd.
UK's Leading Manufacturer Of Welding Equipment
Newcastle +44 (0) 191 295 0111
Aberdeen +44 (0) 1224 771 063
www.newarc.co.uk
Description
MMA unit
Processes
10/14

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Summary of Contents for NewArc R2500

  • Page 1 R2500 is able to respond quickly to changing arc dynamics, making for a very smooth , stable arc. The R2500 is capable of TIG welding with the addition of an external TIG control unit (TIG300). INSTRUCTION MANUAL 10/14 Newarc Ltd.

  • Page 3: Table Of Contents

    3.2 - Connecting to mains supply______________________________________________ 6 SECTION 4 — OPERATION 4.1 - Description of Controls__________________________________________________ 4.2 - Operation_____________________________________________________________ SECTION 5 — FAULT FINDING AND MAINTENANCE 5.1 - MMA Welding Problems________________________________________________ 5.2 - Maintenance__________________________________________________________ SECTION 6—PARTS BREAKDOWN 6.1 - Component Locations__________________________________________________ 6.2 - Parts List_______________________________________________________________ R2500...

  • Page 4: Welding And Earth Return Cables

    The safe handling of gas cylinders Pay attention to fire and safety regulations in force at the The R2500 uses argon when TIG welding using the TIG300. welding site. This is an inert gases and can displace oxygen in the at- mosphere leading to asphyxiation.

  • Page 5: Section 2 - Specification

    . The high operational frequency also means that the R2500 is able to respond quickly to changing arc dynamics, making for a very smooth , stable arc. The R2500 is capable of TIG welding with the addition of an external TIG control unit (TIG300). 2.2 Technical Specification...

  • Page 6: Section 3 - Installation

    SECTION 3 — INSTALLATION Setting supply voltage tapping 3.1 Siting the R2500 Site the R2500 on a clean dry surface, preferable • To enable the setting of the supply voltage tapping the • above ground level. lid of the machine has to be removed.

  • Page 7: Section 4 - Operation

    Mode switch - Selects the welding mode. understood the TIG300 manual. Current control - Adjusts the machines output current. Connect the TIG300 to the R2500 as per the diagrams in • the TIG300 manual. Power indicator - indicates mains power, lights up when Turn the mode switch to TIG remote, All control of the •...

  • Page 8: Section 5 - Fault Finding And Maintenance

    Note! All Electric shocks are potentially fatal, switch the machine off and unplug from the mains supply before carrying out any maintenance work. It is very important that the R2500 is regularly maintained. The amount of use and the working environment must be taken into account when scheduling the maintenance periods.

  • Page 9: Section 6-Parts Breakdown

    SECTION 6 — PARTS BREAKDOWN 6.1 Parts Locations R2500...

  • Page 10: Parts List

    SECTION 6 — PARTS BREAKDOWN 6.2 R2500 Parts list Item no. Description Part No. Cable clamp M00825 Main switch 3P/70A M70072 Mains input PCB M90543 (From June 2012,, replaced by a distribution board M01912, fuse holder M01913 and tran- sient suppressor assembly M91123)
  • Page 12 Newarc accepts no liability for correctness in respect of any impending change in legislation or health and safety requirements. Newarc also reserve the right to amend the detail of the docu- ment content without any notification to the consumer. If reference is made to Newarc while utilis- ing the document for spare parts purchase or instruction please advise the revision of the document to ensure correctness of information.

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