PHASEMASTER™ 6 DIRECT ENERGY WELDING CONTROL
990-083
2-1
CHAPTER 2
GETTING STARTED
Section I. Planning for Installation
Location
Install the power supply in a well- ventilated area that is free from dirt and moisture. Allow sufficient
clearance around the sides and rear of the unit so that cooling air may flow properly. Position the PM6 as
close as practical to the weld head.
Power Line
CAUTION:
Do not connect the line cord at this time.
This control was wired for the specific input line voltage marked on the line cord at the factory. The
standard PM6 unit is wired for 230 VAC. Reconnection for operation at another voltage may be made by a
qualified technician. Refer to Chapter 4 under
Modifications and Calibration.
Welding Cables
Position the PM6 on the workbench approximately 5 inches behind the weld head. Use the cables furnished
with the weld head to connect the terminals on the back of the weld head to the appropriate terminals on the
front of the output transformer. Refer to Appendix A, Transformer Specifications.
For proper cable connections and to reduce energy losses follow these recommendations:
a
Use the #6AWG Welding Cables, or #2AWG if the cables are more than 12
inches long. The diameter of the cables should be as large as practical.
b
Use the shortest possible Welding Cables. It is not uncommon to have losses up to
50% per foot for #6AWG cable and 20% for #2AWG cable.
c
Bolt terminals together, DO NOT place washers between the terminals of the
transformer and the terminals of the cables. Tighten connections securely, they must
be free from oxidation, dirt and/or grease. See figure 2-1.
d
Route cables so that they do not surround magnetic materials such as air solenoids,
tooling, or steel weld heads. The cable routing and weld head design should be such
