16
3.03 Electrical Input Connections
WARNING 4
ELECTRIC SHOCK can kill; SIGNIFICANT DC VOLTAGE is present after removal of
input power.
DO NOT TOUCH live electrical parts.
SHUT DOWN welding power source, disconnect input power employing lockout/tagging
procedures. Lockout/tagging procedures consist of padlocking line disconnect switch in
open position, removing fuses from fuse box, or shutting off and red-tagging circuit
breaker or other disconnecting device.
3.03.01 Electrical Input Requirements
Operate the welding power source from a single-phase 50/60 Hz, AC power supply. The input
voltage must match one of the electrical input voltages shown on the input data label on the unit
nameplate. Contact the local electric utility for information about the type of electrical service
available, how proper connections should be made, and any 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.
Note 2
These units are equipped with a two-conductor with earth power cable that is connected at
the welding power source end for single-phase electrical input power.
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 and:
1. Connect end of ground (GREEN) 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 1 and Table 2 as a guide to select line fuses for the disconnect switch.
Содержание Thermal Arc 185TSW
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