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SAFETY MARK: This equipment is suitable for supplying power for welding operations carried out in
an environment with increased hazard of electric shock.
Installation and Operator Instructions
Read this entire section before installation or operation
of the machine.
Location and Environment
This machine will operate in harsh environments.
However, it is important that simple preventative
measures are followed to assure long life and reliable
operation.
•
Do not place or operate this machine on a surface
with an incline greater than 15° from horizontal.
•
This machine must be located where there is free
circulation of clean air without restrictions for air
movement 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 IP21. 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.
Input Supply Connection
Check the input voltage, phase, and frequency supplied
to this machine before turning it on. The allowable input
voltage is indicated in the technical specification section
of this manual and on the rating plate of the machine.
Verify the connection of grounding wires from the
machine to the input source.
The frame of this machine must be grounded. A ground
terminal located on the base of the generator is provided
for this purpose.
This machine is factory 3ph-400V connected. To
connect it in 3ph-230V, remove the left case panel of the
machine to have access to the input reconnect panel.
Modify the connections according to the connection
diagram located on the inside of the case side and
shown below.
Recommended input wire and fuse
sizes
Input voltage/
Input circuit
frequency
fuse
(FM = 60%)
230 V / 50 Hz
60A
400 V / 50 Hz
34A
Operation
General description :
The CV405-I is a constant voltage DC power source
designed for the GMAW and FCAW processes. It is
available with :
•
42 VAC/10 amp auxiliary power for the wire feeder.
•
230 VAC/ 3.5 amp auxiliary power for water cooler.
For a quick and easy handling within the welding area, it
is factory mounted on a built-in undercarriage equipped
with a platform for a gas cylinder. Recommended wire
feeders: LF30/31, LN-25, LN-27.
Controls on the case front
A. ON/OFF power switch (O/I) : It controls the input
power to the machine. Be sure the power source is
connected to the mains supply before turning power
on ( "I").
B. Power indicator light : Indicates the power is on.
C. Thermal indicator light : It indicates the machine is
overloaded or if cooling is not sufficient.
D. High inductance negative output connection : The
high inductance connection is more suitable for short
arc welding heavier weldments or when using 75%
Argon / 25% CO
shielding gas. This connection
2
produces a softer arc and a flatter bead with more
wash-in than the low inductance connection. A spray
Recommended
Fuse
input wire size
2
4x10 mm
100A
2
4x10 mm
60A
5
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