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Thank you for selecting the R-Tech C-MIG 315 Compact Mig Welder. We want you to take pride in operating our C-MIG 315 as much pride as we have taken in making this product for you. PLEASE EXAMINE CARTON AND EQUIPMENT FOR DAMAGE IMMEDIATELY When this equipment is shipped, title passes to the purchaser upon receipt from the courier. Consequently all claims for material damaged in shipment must be made by purchaser against the transportation company used.
Installation Technical Specifications Model No. R-Tech C-MIG 315 Input MIG Operation 415V 3 ~ AC 50/60Hz Rated Input Power Rated Input Current Rated Output Current Duty Cycle @ 315AMPS Duty Cycle @ 200AMPS Output current Range No Load Voltage Voltage Adjustment Range Suitable Wire Diameter Gross Weight Insulation 6.2 KVA 18 AMPS 315 AMPS 40% @ 40ºC 100% @ 40ºC 40-315 AMPS 38V MAX 16V – 33V +/- 3V 0.8mm 1.0mm 1.
Transport – Unloading Never underestimate the weight of equipment, never move or leave suspended in the air above people. Use recommended lifting equipment at all times. WARNING! Falling Equipment can cause injury. Never lift welder with gas bottle attached. Never lift above personnel. Tilting Machine must be placed on a secure level surface or on a recommended undercarriage/trolley. This machine may topple over if this procedure is not followed.
4. Keep earth lead connection to work in good condition – Clean area on workbench where earth clamp is situated on a regular basis. Input Connections Make sure the voltage, phase and frequency of input power is as specified on machine rating plate located at rear of machine. Have a qualified electrician provide suitable input power as per national electrical codes. Make sure machine is earthed / grounded. Make sure fuse or circuit breaker is correct rating for machine.
Connections for C-Mig 315 Setup machine as per two diagrams below: Rear machine connections Front machine connections Connect Euro type Mig torch to euro torch connector To avoid shock keep the Mig torch in good condition and replace if any of the insulation is damaged. Connect the earth lead (negative - ) to work/bench. Connect the gas input hose to gas regulator, Set gas flow/pressure to 10-14 LPM, in drafty or open areas a higher flow may be required to stop porosity of weld.
Operation SAFETY PRECAUTIONS WARNING! ELECTRIC SHOCK CAN KILL Do not touch electrically live parts or electrode with skin or wet clothing. Insulate yourself from work and ground Always wear dry insulating gloves WARNING! FUMES AND GASES can be dangerous Keep your head out of fumes & gases produced from welding. Use ventilation or exhaust to remove fumes & gases from breathing zone and general area. WARNING! WELDING SPARKS can cause fire or explosion Keep flammable material away from work area.
4. 5. 6. 7. Adjustable burnback control Spot Welding & stitch welding facilities Digital Amp & Volts meters Euro type torch fittings for easy torch fitment/replacement Recommended Processes The R-Tech C-MIG315 is recommended for the MIG welding processes within its output capacity of 315 Amps DC Equipment Limitations The R-Tech C-MIG 315 is protected from overloads beyond the output ratings and duty cycle as per machine specifications with thermostat protection of the output coils and rectifiers.
Set required voltage for welding material – Coarse voltage is set via 3 position switch either low, medium or high range – Fine adjust is set via 7 position switch. Adjust wire feed speed to suit voltage/wire diameter chosen.
Side panel Burnback adjustment – This sets amount of time welding power stays on after torch button released and wire feed has stopped. If too little Burnback is set, wire may stick to work after trigger released, if too much Burnback is set wire will Burnback into welding tip. Wire reel holder – remove retainer screw cap and fit wire reel and refit securing screw cap.
Maintenance Routine and periodic maintenance WARNING! ELECTRIC SHOCK CAN KILL Turn the input power OFF at the mains switch & fuse box before working on this equipment. Have a qualified electrician install & service this equipment. Allow machine to sit for 5 minutes minimum to allow the power capacitors to discharge before working inside this equipment. Do not touch electrically live parts 1.
The second column labeled ‘possible cause’ lists the obvious external possibilities that may contribute to the machine symptom Step 3 Recommended course of action This column provides a course of action for the possible cause, generally it states to contact R-Tech welding for repair of machine. Output Problems Problems Machine is dead – No Output – No fan Symptoms 1 Make sure the input switch is in the ‘ON ‘ position 2 Check the input voltage at the machine. Input voltage must match the rating plate.
Mig Weld Problems No gas flow when torch switch activated. Machine has output and fan runs. A click can be heard indicating gas solenoid is operating Poor weld penetration Porosity in weld 1 Gas supply is empty or turned off 2 Flow regulator may be set too low 3 Gas hose may be pinched 4 Gas pipe blocked. Blow out with low pressure air line Check condition of earth lead & clamp and make sure it is fitted to clean area on bench/workpiece.
Electrical Schematic Diagram
Wiring Diagram
