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3.1 Preparing welding system for use
Before starting the use of the welding equipment:
•
Ensure the installation has been completed
•
Switch the welding equipment on
•
Prepare the cooler
•
Connect the earth return cable.
Turning on welding system
To turn on the welding equipment, switch the power source main switch to 1.
Use the main switch to start and shut down the welding equipment. Do not use the mains plug as a switch.
If the machine is left unused for a longer period, detach the mains plug to disconnect it from the mains.
Preparing cooler
Fill the coolant container inside the cooler with Kemppi cooling liquid and bleed the cooler before use. For instructions
on filling and bleeding the cooler, refer to "Preparing cooler" below.
To weld, you must pump the coolant through the system by pressing the coolant circulation button in the front panel of
the cooling unit.
Connecting earth return cable
Keep the work piece connected to earth to reduce the risk of injury to users or damage to electrical equipment.
Attach the earth return cable clamp on the work piece.
Ensure that the contact surface is clean of metal oxide and paint and that the clamp is firmly secured.
Selecting process
To select the process (TIG/MMA/Cleaning/Polishing), refer to "Minarc T 223 ACDC control panel" on page 28.
3.1.1 Preparing cooler
Fill the cooler with pre-mixed coolant solution. The mixing ratio should be 20...50% as standard. Use only ethylene or pro-
pylene glycol mixture intended for welding cooling systems, for example Kemppi cooling liquid. Do not add water to the
pre-mixed coolant solution. Do not use automotive cooling solutions or ethanol-based mixtures.
© Kemppi
25
Minarc T 223 ACDC
Operating manual - EN
1922350 / 2413
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