Remote Control; Electrical Connections - Lincoln Electric Fleet 400 Operator's Manual

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FLEET
400

REMOTE CONTROL

The Fleet™ 400 is equipped with a 6-pin connector. When a
remote control is connected to the 6-pin Connector, the auto-
sensing circuit automatically switches the OUTPUT control from
control at the welder to remote control.
When in TOUCH START TIG mode and when a Amptrol is
connected to the 6-Pin Connector, the OUTPUT dial is used to set
the maximum current range of the CURRENT CONTROL of the
Amptrol.
Both in PIPE/GOUGE mode on low range and in STICK mode, when
a remote control is connected to the 6-Pin connector, the output
control is used to set the maximum current range of the remote.
EXAMPLE: When the OUTPUT CONTROL on the welder is set to
200 amps the current range on the remote control will be Min-
200 amps, rather than the full Min-Max amps. Any current range
that is less than the full range provides finer current resolution for
more fine tuning of the output.

ELECTRICAL CONNECTIONS

Machine Grounding
Because this portable engine driven welder creates its own power,
it is not necessary to connect its frame to an earth ground, unless
the machine is connected to premises wiring (home, shop, etc.)
To prevent dangerous electric shock, other equipment to which
this engine driven welder supplies power must:
WARNING
Be grounded to the frame of the welder using a
grounded type plug or be double insulated.
Do not ground the machine to a pipe that carries
explosive or combustible material.
When this welder is mounted on a truck or trailer, its frame must
be electrically bonded to the metal frame of the vehicle. Use a #8
or larger copper wire connected between the machine grounding
stud and the frame of the vehicle. When this engine driven welder
is connected to premises wiring such as that in a home or shop,
its frame must be connected to the system earth ground. See
further connection instructions in the section entitled "Standby
Power Connections" as well as the article on grounding in the
latest National Electrical Code and the local code.
In general, if the machine is to be grounded, it should be
connected with a #8 or larger copper wire to a solid earth ground
such as a metal water pipe going into the ground for at least ten
feet and having no insulated joints, or to the metal framework of a
building which has been effectively grounded.
The National Electrical Code lists a number of alternate means of
grounding electrical equipment. A machine grounding stud
Welding OUTPUT Cables
marked with the symbol is provided on the front of the welder.
With the engine off connect the electrode and work cables to the
output studs. The welding process dictates the polarity of the
electrode cable. These connections should be checked
periodically and tightened with a 3/4"(19mm) wrench.
Table A.1 lists recommended cable sizes and lengths for rated
current and duty cycle. Length refers to the distance from the
welder to the work and back to the welder. Cable diameters are
TABLE A.1
increased for long cable lengths to reduce voltage drops.
TOTAL COMBINED LENGTH OF ELECTRODE AND WORK CABLES
OUTPUT CABLE GUIDELINES
Percent Duty
CABLE SIZES FOR COMBINED LENGTHS OF ELECTRODE AND WORK
Amperes
Cycle
CABLES [RUBBER COVERED COPPER - RATED 167°F (75°C)]**
0 to 50 Ft. 50 to 100 Ft. 100 to 150 Ft. 150 to 200 Ft. 200 to 250 Ft.
200
60
2
200
100
2
250
30
3
250
40
2
250
60
1
250
100
1
300
60
1
300
100
2/0
350
40
1/0
400
60
2/0
400
100
3/0
** Tabled values are for operation at ambient temperatures of 104°F (40°C) and below. Applications above
104°F (40°C) may require cables larger than recommended, or cables rated higher than 167°F (75°C).
A-4
INSTALLATION
2
2
1
2
2
1
3
2
1
2
1
1
1
1
1
1
1
1
1
1
1/0
2/0
2/0
2/0
1/0
2/0
2/0
2/0
2/0
3/0
3/0
3/0
3/0
1/0
1/0
1/0
1/0
1/0
1/0
2/0
3/0
3/0
4/0
4/0

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