Tweco Ultima 150 - Manual (Page 23)

Manual 0-2472 17 SECTION 3: INSTALLATION
3.08 Torch Connection
The PWH/M Quick Disconnect Torch connects directly to
the quick disconnect fitting labelled TORCH on the rear
panel of the ULTIMA-150 power supply.
Older model Thermal Arc torches can also be used with
the ULTIMA-150 but require the optional Quick Discon-
nect Adapter Kit to do so. See Section 6, Parts Replace-
ment for more information.
Quick
Disconnect
Receptacle
Note: Make sure ALL pins
are clean and dry before
making connection.
A-00820
Figure 3-8 Detail of Torch Quick Disconnect
WARNING
Make sure there is no moisture or coolant on the
Torch Quick Disconnect. Use compressed air to dry
the power pins and receptacles before making con-
nections.
NOTE
For information on installing and operating plasma
welding torches, see the appropriate manual.
3.09 Remote Connections
A. Using the STANDARD (J20) Connector
The J20 connector on the rear panel of the ULTIMA-
150 is factory-wired for convenience. The remote wir-
ing is connected to the TB1 terminal strip on the Logic
Display Board inside the unit, as follows:
TB1 Connection Description
3 & 4 Weld Arc On
12 & 13 Pilot Arc On
19, 20 & 21 Remote Weld Current
1. Connect the remote cable connector to the J20 con-
nector on the rear of the unit labelled STANDARD.
2. If modifications need to be made, see Appendix III,
for Remote Function and Control Signal Assign-
ments.
3. Reinstall Enclosure Cover, if necessary.
B. Using the TB1 Terminal Strip on Logic
Display Board
1. Locate the TB1 terminal strip on the Logic Display
Board inside the unit.
2. Feed the remote cable through the small strain re-
lief on the rear of the unit (beside the STANDARD
connector bucket).
3. Connect the remote cable to the terminal strip per
Appendix III, Remote Function and Signal Assign-
ments.
NOTE
The user cannot weld without closing TB1-3 to TB1-4.
4. Secure the remote cable on the outside of rear panel.
5. Reinstall Enclosure Cover.