Lincoln Electric SVM207-A service manual Auxiliary Power, Gfci Duplex Receptacles

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A-7		INSTALLATION		A-7
AUXILIARY POWER			120 V GFCI DUPLEX RECEPTACLES
			A GFCI (Ground Fault Circuit Interrupter) electrical
	CAUTION		receptacle is a device to protect against electric shock
			should a piece of defective equipment connected to it
Do not connect any plugs that connect to the			develop a ground fault. If this situation should occur,
			the GFCI will trip, removing voltage from the output of
power receptacles in parallel.
			the receptacle. If a GFCI receptacle is tripped see the
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			MAINTENANCE section for	detailed information on
Start the engine and set the “IDLER” control switch to
			testing and resetting it. A GFCI receptacle should be
the “High Idle” mode. Set		the “CONTROL” to 10.
			properly tested at least once every month.
Voltage is now correct at the receptacles for auxiliary
power. This must be done		before a tripped GFCI	The 120V auxiliary power receptacles should only be
receptacle can be reset properly. See the MAINTE-
			used with three wire grounded type plugs or approved
NANCE section for more detailed information on test-
			double insulated tools with two wire plugs.
ing and resetting the GFCI receptacle.
The RANGER® 3 PHASE can provide both three			The current rating of any plug used with the system
			must be at least equal to the current load through the
phase and single phase power, up to 11,500 watts of
			associated receptacle.
480 volts AC, three phase 60Hz power for peak use,
and up to 10,500 watts of 480 volts AC, three phase			480 VOLT 3 PHASE RECEPTACLE WITH GROUND
60Hz power for continuous use, up to 10,500 watts of
120/240 volts AC, single phase 60Hz power for peak			The 480 volt receptacle can supply 12.6 amps of 3
use, and up to 9,500 watts of 120/240 volt AC, single
			phase power, or up to 15 amps of single phase power.
phase 60Hz power for continuous use. The front of the
			A NEMA L16-20P plug is required to use this recepta-
machine includes four receptacles for connecting the
			cle. The ground (GND) connection is connected to the
AC power plugs; one 20 amp 480 volt 3 phase NEMA
			machine frame, it is NOT the neutral of the three phase
receptacle, one 50 amp 120/240 volt NEMA 14-50R
			connection, and should under no circumstances be
receptacle and two 20 amp 120 volt NEMA 5-20R
			connected to the neutral of any 3 phase load. Do not
receptacles. Output voltage		is within +/-10% at all
			connect 480V 3 phase to	single phase premises
loads up to rated capacity. Do not use 3 phase power
			wiring.
and single phase power simultaneously. All auxiliary
power is protected by cuircuit breakers.			If 480 volt single phase load is to be run, the X lead
120/240 VOLT DUAL VOLTAGE RECEPTACLE			must be one of the leads in the circuit in order for the
			automatic idle to function. Using a NEMA plug L16-
The 120/240 volt receptacle can supply up to 40 amps			20P, connect either X and Y or X and Z to the recepta-
			cle, as well as the machine ground. See Figure A.2.
of 240 volt power to a two wire circuit, up to 40 amps
of 120 volts power from each side of a three wire cir-			NOTE: Use of 3-Phase AC power is not recommend-
cuit (up to 80 amps total). Do not connect the 120 volt
			ed while welding.
circuits in parallel. Current sensing for the automatic
idle feature is only in one leg of the three wire circuit as
shown in Figure A.1.
	FIGURE A.1		FIGURE A.2

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GND

120 V

120 V*

*Current Sensing for Automatic Idle. (Receptacle viewed from front of Machine)

Y

480 V

X Z

240 V

GND

(FOR ALL SINGLE AND THREE PHASE LOADS)

RANGER® 3 PHASE