Tweco 161 S Inverter Arc Welder - Manual (Page 24)

THERMAL ARC 161 S INSTALLATION
Installation 3-2 3-2 Manual 0-5073 Manual 0-5073
for information about the type of electrical service available, how proper connections should be made, and inspection
required. The line disconnect switch provides a safe and convenient means to completely remove all electrical power
from the welding power supply whenever necessary to inspect or service the unit.
Do not connect an input (WHITE or BLACK) conductor to the ground terminal.
Do not connect the ground (GREEN) conductor to an input line terminal.
Refer to Figure 3-1:
1. Connect end of ground (GREEN or GREEN/YELLOW) conductor to a suitable ground. Use a grounding method that
complies with all applicable electrical codes.
2. Connect ends of line 1 (BLACK) and line 2 (WHITE) input conductors to a de-energized line disconnect switch.
3. Use Table 3-1 as a guide to select line fuses for the disconnect switch.
Input Voltage Circuit Breaker or Fuse Size
115V 30A
208-230V 50A
Table 3-1: Fuse Guide
CAUTION
The time-delay fuses or circuit breaker of an individual branch circuit may have nuisance tripping when
welding with this product due to the amperage rating of the time-delay fuses or circuit breaker.
Welding Power Supply
Primary Power Cable
120
120
V,
V,
20A, 1Ø
15A, 1Ø
208-230V, 50A, 1Ø
The Adapters enable
connection to all these
power outlets
Art# A-09862
Figure 3-1: Electrical Input Connections