7
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. Using fuses or circuit breakers smaller than
recommended will result in nuisance shut off from welder inrush currents even if welding at low amperages.
On multiple voltage input welders, be sure the machine is connected as per the instructions for the voltage being supplied to
welder Failure to follow these instructions can cause immediate failure within the welder and void machines warranty.
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
The POWER MTS255-HF Inverter Tig Welder requires a 240V 50/60Hz 32amp fused supply. It comes with a 3
metre mains cable attached.
Connect wires according to national coding. (Below states UK coding) Brown wire - Live, Blue
wire - Neutral, Green/Yellow Wire - Earth (Ground)
Connecting to a mains electrical supply
THIS MACHINE IS OF AN INDUSTRIAL SPECIFICATION AND MUST BE FITTED
TO A 32AMP 240V MAINS INPUT
Connecting to an Engine Driven Generator
If connecting this machine to an engine driven generator, please ensure the
following Minimum Generator KVA Output - 10 KVA continuous Generator to
be fitted with AVR (automatic voltage regulation)
DO NOT USE ON A GENERATOR WITHOUT AVR, connecting to a generator without
the above minimum requirements may invalidate your warranty.
