Daihen OTC Welbee Inverter W400, Owner'S Manual

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P
ERFORMING
W
ELDING
O
PERATION
W
ELDING
O
PERATION
C
HAPTER
5
5-10
TIPS
• When no operation is performed for approximately five seconds, the display will return to the
one showing current/voltage in welding.
• Using the internal function (F48) enables to increase/decrease the welding current by the
torch switch operation. (It is available only with the crater set to on and in the welding
condition.) (
6.7
-
Setting Internal Functions)
• When the LED of the VOLT. ADJUST key is lit (CONSTANT penetration), the voltage is
automatically set to the value according to the current. ( 6.6.2.2
-
Welding parameter
setting)
5.6.3 Operation at welding end
This section explains the supply stop procedure of power/shielding gas after the welding end.
1.
Close the main tap of the shielding gas.
2.
Press the GAS CHECK key.
⇒
The LED of the GAS CHECK key lights up, and the shielding gas remained in the gas piping is
discharged.
3.
After the shielding gas is discharged, press the GAS CHECK key.
⇒
The LED of the GAS CHECK key lights off, to stop gas check.
4.
Set the flow adjustment knob to “SHUT", to adjust the shielding gas flow rate to zero.
5.
Turn OFF the power switch of the welding power supply.
⇒
The power LED switch lights off.
6.
Shut off the input power.
●
Operate the disconnect switch to shut off the input power.
Input power supply
Shut off
Cover
OFF
Power switch
Main valve
SHUT
Flow rate
adjustment knob
GAS CHECK key
GAS
Welding power
source
Welding power
source