Tweco 250i Transmig Inverter - Manual (Page 33)

INSTALLATION/SETUP TRANSMIG 250i
Manual 0-5187 3-15 INSTALLATION/SETUP
Function Left Display
Right Display
(Factory De-
fault Values)
Limits Comments
Hot Start HOT/STRT ON OFF – ON
Hot Start is used to improve the start charac-
teristics for stick electrodes, e.g. low hydrogen
electrodes.
Hot Start Time TIME/HS 0.5 S 0.0 - 2.0 S
Hot Start Time is the time that the Hot Start
Amps is applied.
Hot Start Amps AMPS/HS 140% 75 – 200%
Hot Start Amps sets the peak start current, e.g.
100A at 140% = 140A
Arc Hour Accu-
mulated Run-
time
HR 0.0 0.0 – 9999.9
Provides Arc On Hours that the power source
has welded. The number displayed is in hours
and read only. It will rollover to 0 once 10,000
hours have been reached.
Restore Factory
Defaults
FACT/DFLT NO NO – YES
When YES is selected all the user adjustable val-
ues in this table (except Arc Hour Accumulated
Runtime) are reset to the Factory Default Values.
3.08 Optional Wire Feeder Controls, Indicators and Features
The optional 2RT Wirefeeder is designed to be used with the Transmig 250i. Select MIG Process and REMT in Ad-
vanced Features to enable the controls on this wirefeeder. There are two controls on the 2RT.
1. The Left Knob controls Wirespeed in this wirefeeder. It adjusts the preview wire speed display in the power source.
2. The Right Knob controls the Volts in the power source. It adjusts the preview volts display in the power source.
Description Transmig 2RT Wirefeeder
Wirefeeder Plant Part Number W3000500
Wirefeeder Plant Dimensions H 453mm x W 238mm x D 553mm
Wirefeeder Plant Mass 25kg
Wire Feed Motor Voltage 24 VDC
Gas Solenoid Voltage 24 VDC
Minimum Wire Speed 1.2 MPM
Maximum Wire Speed 17.8 MPM
Operating Temperature Range 0°C - 40°C
Interconnection Plug 10 Pin
Interconnection Length 8 metre
Volts Wirespeed
Left Knob Right Knob
WFS Control Volts Control
Euro Connector 8 Pin Remote
Connector
Art # A-10324
Figure 3-8: 2RT Front Panel Controls
The Tweco professional MIG Torch will connect to the 2RT just as it does to the 250i power source. The electrode
Polarity setting is done at the power source. See section 3.23 and 3-24.