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| INSTALLATION |
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In general, if the machine is to be grounded, it should | NOTE: Long lengths of welding cable should | not | ||||||||||||
be connected with a #8 or larger copper wire to a solid | remain coiled or wrapped while welding. |
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earth ground such as a metal water pipe going into the |
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| CAUTION |
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ground for at least ten feet and having no insulated |
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joints, or to the metal framework of a building which has | • L | oose connections will cause the output terminals t | o | |||||||||||
been effectively | grounded. | The National Electrical | overheat. The terminals may eventually melt. |
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Code lists a number of alternate means of grounding | • Do not cross the welding cables at the output termi- | |||||||||||||
electrical equipment. A machine grounding stud | nal connection. Keep the cables isolated and sepa- | |||||||||||||
marked with the |
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| ground symbol is provided on the | rate from one another. |
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front of the welder. |
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WELDING OUTPUT CABLES | AUXILIARY POWER RECEPTACLES |
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With the engine off connect the electrode and work | The auxiliary power of the RANGER 305D consists of | |||||||||||||
two 20 | ||||||||||||||
cables to the output terminals. The welding process | GFCI protection and one 50 Amp 120/240 VAC (14- | |||||||||||||
dictates the polarity of the electrode cable. These con- | 50R) receptacle. The 240 VAC receptacle can be split | |||||||||||||
nections should be checked periodically and tightened | for single phase 120 VAC operation. |
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with a wrench. |
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| The auxiliary power capacity is 10,000 watts Peak, | |||||
Table A.1 lists recommended cable sizes and lengths | 9,500 Watts Continuous of 60 Hz, single phase power. | |||||||||||||
for rated current and duty cycle. Length refers to the | The auxiliary power capacity rating in watts is equiva- | |||||||||||||
distance from the welder to the work and back to the | lent to | |||||||||||||
welder. Cable diameters are increased for long cable | permissible current of the 240 VAC output is 42 amps. | |||||||||||||
lengths to reduce voltage drops. Long lengths of cable | The 240 VAC output can be split to provide two sepa- | |||||||||||||
should not be left coiled when welding. | rate 120 VAC outputs with a max permissible current | |||||||||||||
CABLE INSTALLATION | TABLE A.1 | of 42 Amps per output to two separate 120 VAC | ||||||||||||
branch circuits (these circuits cannot be paralleled). | ||||||||||||||
| TOTAL COMBINED LENGTH OF |
| capacity. Auxiliary power is protected by circuit break- | |||||||||||
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| ELECTRODE AND WORK CABLES |
| Output voltage is within ± 10% at all loads up to rated | |||||||||||
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| Cable Size for |
| The 120 V auxiliary power receptacles should only be | ||||
| Cable Length |
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| 305 Amps |
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| 100% Duty Cycle |
| used with three wire grounded type plugs or approved | ||||
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| double insulated tools with two wire plugs. The current | |||||
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| 1 / 0 AWG |
| rating of any plug used with the system must be at | |||||||
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| least equal to the current capacity of the associated | |||||||||
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| 2 / 0 AWG |
| receptacle. |
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| 3 / 0 AWG |
| NOTE: The 240 V receptacle has two 120 V circuits, | ||||||||
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| but are of opposite polarities and cannot be paralleled. | |||||||||
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| STANDBY POWER CONNECTIONS |
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Install the welding cables to your RANGER 305D as |
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follows. |
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| The RANGER 305D is suitable for temporary, standby | |||||
1. The engine must be OFF to install welding cables. | or emergency power using the engine manufacturerʼs | |||||||||||||
recommended maintenance schedule. |
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2. Remove the flanged nuts from the output terminals. | The RANGER 305D can be permanently installed as | |||||||||||||
3. Connect the electrode and work cables to the weld | a standby power unit for 240 VAC, 3 wire, single | |||||||||||||
| output terminals. The terminals are identified on the | phase, 50 amp service. Connections must be made by | ||||||||||||
| case front. |
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| a licensed electrician who can determine how the | ||||
4. Tighten the flanged nuts securely. | 120/240 VAC power can be adapted to the particular | |||||||||||||
installation and comply with all applicable electrical | ||||||||||||||
5. Be certain that the metal piece you are welding (the | codes.The following information can be used as a | |||||||||||||
guide by the electrician for most applications. Refer to | ||||||||||||||
| “work”) is properly connected to the work clamp and | the connection diagram in | Figure A.2. |
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| cable. |
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6. Check and tighten the connections periodically. |
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RANGER 305D
