Tweco 95 S Thermal Arc(Jan2013) - Manual (Page 19)

INSTALLATION THERMAL ARC 95 S
Installation 3-1 Manual 0-5086
3.01 Environment
These units are designed for use in environments
with increased hazard of electric shock. Examples of
environments with increased hazard of electric shock
are:
A. In locations in which freedom of movement is
restricted, so that the operator is forced to perform the
work in a cramped (kneeling, sitting or lying) position
with physical contact with conductive parts.
B. In locations which are fully or partially limited by
conductive elements, and in which there is a high risk
of unavoidable or accidental contact by the operator.
C. In wet or damp hot locations where humidity or
perspiration considerably reduces the skin resistance
of the human body and the insulation properties of
accessories.
Environments with increased hazard of electric shock do
not include places where electrically conductive parts in
the near vicinity of the operator, which can cause increased
hazard, have been insulated.
3.02 Location
Be sure to locate the welder according to the following
guidelines:
• In areas, free from moisture and dust.
• Ambient temperature between 32°F (0°C) to 104° F
(40° C).
• In areas, free from oil, steam and corrosive gases.
• In areas, not subjected to abnormal vibration or
shock.
• In areas, not exposed to direct sunlight or rain.
• Place at a distance of 12” (300mm) or more from
walls or similar that could restrict natural air flow
for cooling
!
WARNING
Thermal Arc advises that this equipment
be electrically connected by a qualified
electrician.
SECTION 3:
INSTALLATION
3.03 Electrical Input Connections
!
WARNING
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. Lock-out/
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.
• 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
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.