Machine Grounding; Welding Output Cables; Auxiliary Power Receptacles - Lincoln Electric RANGER 305 D Service Manual

RANGER 305D
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 marked with the
provided on the front of the welder.
WELDING OUTPUT C BLES
With the engine off connect the electrode and work cables to the
output terminals. The welding process dictates the polarity of the
electrode cable. These connections should be checked periodically
and tightened with a 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 increased for long
cable lengths to reduce voltage drops. Long lengths of cable should
not be left coiled when welding.
C BLE INST LL TION T BLE .1
TOTAL COMBINED LENGTH OF
ELECTRODE AND WORK CABLES
CABLE LENGTH
0-100FT. (0-30 METERS)
100-150 FT. (30-46 METERS)
150-200 FT. (46-61 METERS)
Install the welding cables to your RANGER 305D as follows.
1. The engine must be OFF to install welding cables.
2. Remove the flanged nuts from the output terminals.
3. Connect the electrode and work cables to the weld output
terminals. The terminals are identified on the case front.
4. Tighten the flanged nuts securely.
5. Be certain that the metal piece you are welding (the "work") is
properly connected to the work clamp and cable.
6. Check and tighten the connections periodically.
NOTE: Long lengths of welding cable should not remain coiled or
wrapped while welding.
•
•
ground symbol is
UXILI RY POWER RECEPT CLES
The auxiliary power of the RANGER 305D consists of two 20 Amp-120
VAC (5-20R) duplex receptacles with GFCI protection and one 50 Amp
120/240 VAC (14-50R) receptacle. The 240 VAC receptacle can be
split for single phase 120 VAC operation.
The auxiliary power capacity is 10,000 watts Peak, 9,500 Watts
Continuous of 60 Hz, single phase power. The auxiliary power
capacity rating in watts is equivalent to volt-amperes at unity power
factor. The max permissible current of the 240 VAC output is 42 amps.
The 240 VAC output can be split to provide two separate 120 VAC
outputs with a max permissible current of 42 Amps per output to two
separate 120 VAC branch circuits (these circuits cannot be paralleled).
Output voltage is within ± 10% at all loads up to rated capacity.
Auxiliary power is protected by circuit breakers.
The 120 V auxiliary power receptacles should only be used with three
wire grounded type plugs or approved double insulated tools with two
wire plugs. The current rating of any plug used with the system must
be at least equal to the current capacity of the associated receptacle.
CABLE SIZE FOR
305 AMPS
100% DUTY CYCLE
NOTE: The 240 V receptacle has two 120 V circuits, but are of opposite
1/0 AWG
2/0 AWG
3/0 AWG
ST NDBY POWER CONNECTIONS
The RANGER 305D is suitable for temporary, standby or emergency
power using the engine manufacturer's recommended maintenance
schedule.
The RANGER 305D can be permanently installed as a standby power
unit for 240 VAC, 3 wire, single phase, 50 amp service. Connections
must be made by a licensed electrician who can determine how the
120/240 VAC power can be adapted to the particular installation and
comply with all applicable electrical codes.The following information
can be used as a guide by the electrician for most applications. Refer
to the connection diagram in Figure A.2.
A 10
C UTION
Loose connections will cause the output terminals to
overheat. The terminals may eventually melt.
Do not cross the welding cables at the output terminal
connection. Keep the cables isolated and separate from
one another.
polarities and cannot be paralleled.
INSTALLATION