Input Connections - Lincoln Electric INVERTEC V155-S Service Manual

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Read entire installation section before starting
installation.
SAFETY PRECAUTIONS
WARNING
ELECTRIC SHOCK can kill.
• Only qualified personnel should per-
form this installation.
• Disconnect input power by removing
plug from receptacle before working
inside INVERTEC® V155-S. Allow
machine to sit for 5 minutes mini-
mum to allow the power capacitors
to discharge before working inside
this equipment.
• Insulate yourself from the work and ground.
• Always wear dry insulating gloves.
• Always connect the INVERTEC® V155-S to a power
supply grounded according to the National
Electrical Code and local codes.
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SELECT SUITABLE LOCATION
This machine can operate in harsh environments.
However, it is important that simple preventative mea-
sures are followed to assure long life and reliable oper-
ation:
• Do not use this machine for pipe thawing.
• This machine must be located where there is free cir-
culation of clean air without restrictions for air move-
ment to and from the air vents. Do not cover the
machine with paper, cloth or rags when switched on.
• Dirt and dust that can be drawn into the machine
should be kept to a minimum.
• This machine has a protection rating of IP23. Keep
it dry when possible and do not place it on wet
ground or in puddles.
• Locate the machine away from radio controlled
machinery. Normal operation may adversely affect
the operation of nearby radio controlled machinery,
which may result in injury or equipment damage.
Read the section on electromagnetic compatibility in
this manual.
• Do not operate in areas with an ambient temperature
greater than 40°C.
STACKING
The INVERTEC® V155-S cannot be stacked.
INSTALLATION
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INVERTEC® V155-S
TILTING
Place the machine directly on a secure, level surface.
Do not place or operate this machine on a surface with
an incline greater than 15° from horizontal. The
machine may topple over if this procedure is not fol-
lowed.

INPUT CONNECTIONS

WARNING
ELECTRIC SHOCK can kill.
• Have a qualified electrician install
and service this equipment.
• Disconnect input power by removing
plug from receptacle before working
inside INVERTEC® V155-S. Allow
machine to sit for 5 minutes minimum
to allow the power capacitors to discharge before
working inside this equipment.
• Do not touch electrically live parts.
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GROUND CONNECTION
The frame of the welder must be
grounded. A ground terminal marked
with the symbol is located on the under
panel for this purpose. See your local
and national electrical codes for proper
grounding methods.
CAUTION
A grounding conductor is supplied in the input
cord, it is important that the supply receptacle
ground is connected.
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WARNING
This installation should be performed by a quali-
fied electrician to ensure correct connections of
the leads to the plug spades.
• The electrical system must be made by skilled
technicians with the specific professional and
technical qualifications and in compliance with
the regulations in force in the country where the
equipment is installed.
• The welding power source supply cable is pro-
vided with a green or yellow/green wire that must
ALWAYS be earthed. This green or yellow/green
wire must NEVER be used with other voltage con-
ductors.
• lnstall only plugs that confirm with safety regula-
tions.
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