OWNER’S MANUAL
-8-
PNR-YF-05Y-A1
Warning:
Any connection operations should be done at the condition that the power has been
cut off. The correct sequence is to connect the electrode holder and the earth clamp to the
welder well first, then put the electric plug into the socket .
OPERATION INSTRUCTION
A. DC TIG WELIDNG
1. Turn on power switch; digital current meter is light; fan begins to run.
2. Turn on the argon switch and adjust gas flow to rated standard.( refer to flow table)
3. When put the switch to “DC” position, it is DC tig arc welding which is for stainless steel, iron, copper and
other metals.
4. Put the switch to “OFF” position, current is adjusted by panel knob. Put the switch to “ON” position,
current is adjusted by pedal.
5. According to requirement to choose “Pulse choosing switch”. “Down position” is no pulse. “Upper
position” is low frequency (0.5—15Hz), “middle position” middle frequency (15—450Hz). And adjust the
“Pulse adjustment knob” to suitable pulse frequency.
6. According to requirement to adjust the duty cycle to suitable position. ( When no pulse, value is 1 )
7. According to requirement to adjust arc initiation current and attenuation time.
8. According to the plate thickness, set suitable welding current and basic value current (When pulse switch is at