Tweco PAK Master 150XL - Manual (Page 20)

INSTALLATION PROCEDURES 3-4 Manual 0-2864
A. Primary Power Cable Connection
Procedure
1. Route the primary power cable through the strain re-
lief fitting in the rear panel of the power supply.
A-02076
AC Input Cable
Strain Relief
AC Input
Power Cable
Figure 3-4 AC Input Power Cable Strain Relief
2. Connect the input cable inside the power supply per
the following:
NOTE
The electrical ground wire must be connected to
the ground lug in the base of the unit for proper
grounding.
a. Locate the ground stud and remove the top
nut and washer.
b. Install a lug terminal on the green ground wire.
c. Place the ground wire onto the ground stud
and secure with the nut and washer.
3. Connect input power conductor wires as follows:
a. Loosen L1, L2, and L3 set screws on the Main
Contactor.
b. Insert the three live conductor wires into the
L1, L2, and L3 terminals on the contactor per
the following:
• Line 1 to terminal L1.
• Line 2 to terminal L2.
• Line 3 to terminal L3.
c. Tighten all set screws.
A-02077
L1
L2
L3
Ground
Three-Phase
NOTE:Illustration may be different
from actual unit.
Figure 3-5 Primary Input Cable Connections
4. Tighten strain relief screws on input power cable on
rear panel.
5. Reinstall the left side panel.
3.08 Gas Connections
The Power Supply provides the liquid cooling and gases
to support operation of the Torch.
NOTE
Refer to the Torch Instruction Manual for infor-
mation on plasma and secondary gas selection and
requirements.
The following are available gases that can be used with
this System:
• Plasma Gases
Compressed Air, Nitrogen, Argon/Hydrogen
• Secondary Gases
Compressed Air, Carbon Dioxide (CO2), Nitrogen
Gas requirements vary depending on the application. The
gases are connected to the rear panel connections of the
power supply. Depending on the options installed and
the source of the gases will determine the installation of
connections, filters and regulators.