Lincoln Electric V155-S Input Power Connection, 230V Input, 120V Input, Engine Driven Generator

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INPUT POWER CONNECTION		INSTALLATION				A-4
A-4					WARNING
Check the input voltage, phase, and frequency sup-
plied to this machine before turning it on.			F	ailure to wire as instructed may cause person			al
The allowable input voltage is indicated in the techni-			• injury or damage to equipment. To be installed or
cal specification section of this manual and on the rat-			checked by an electrician or qualified person
ing plate of the machine. Be sure that the machine is			only.
grounded.			---------------------------------------------------------------------------
Make sure the power available at the input connection			230V INPUT
is adequate for normal operation of the machine. The			To achieve the full output capacity of the INVERTEC®
fuse rating and cable sizes are both indicated in the			V155-S, 230VAC inputs should be used. The change
technical specification section of this manual.			over is accomplished by replacing the 120VAC plug
Fuse the input circuit with time delay fuses marked “D”			with a 30 Amp 230VAC plug (NEMA 6-30P).
or delay type1 circuit breakers. Using fuses or circuit			ATTACHMENT PLUG
breakers smaller than recommended may result in
“nuisance” shut-offs from welder inrush currents even			In all cases, the green or green/yellow grounding wire
if not welding at high currents.			must be connected to the grounding pin of the plug, usu-
1Also called “inverse time” or “thermal/magnetic” circuit breakers.			ally identified by a green screw.
as the magnitude of the current increases.			All attachment plugs must comply with the Standard for
These circuit breakers have a delay in tripping action that decreases			Attachment Plugs and Receptacles, UL498.
The INVERTEC® V155-S is recommended for use on
an individual branch circuit.			The product is considered acceptable for use only when
120V INPUT			an attachment plug as specified is properly attached to
The rated output of the INVERTEC® V155-S is avail-			the supply cord.
able when connected to a 30A branch circuit. When			The INVERTEC® V155-S will auto reconnect to either
connected to a branch circuit with lower ampacity,			120V or 230V supplies.
lower welding current and duty cycle must be used. An			ENGINE DRIVEN GENERATOR
imate and must be adjusted downward if the fuse or
output guide is provided below. The values are approx-
circuit breaker trips off. Other loads on the circuit and			The machine is designed to operate on engine driven
fuse/circuit breaker characteristics will affect the avail-			generators as long as the auxiliary can supply ade-
able output. Do not exceed these welding conditions:			quate voltage, frequency and power as indicated in the
(See Table A.1)			"Technical Specification" Installation Section of this
The INVERTEC® V155-S is provided with a 120/230V			manual. The auxiliary supply of the generator must
			also meet the following conditions:
cable, 6.6ft.(2m) in length, with a 15Amp 5-15P plug
molded onto the cord.			• Vac peak voltage: below 205V (for 115Vac input) or
The INVERTEC® V155-S is supplied with an addition-					410V (for 230Vac input).
			• Vac frequency: in the range of 50 or 60 Hertz.
al 20A plug that can replace the 15A plug to achieve			• RMS voltage of the AC waveform: 115Vac or
higher output. To install the supplied 20A plug:					230Vac ± 10%
Connect the white (neutral) wire under terminal clamp			It is important to check these conditions because many
with silver screw, and black (hot) wire under terminal			engine driven generators produce high voltage spikes.
clamp with brass screw. Connect green wire under ter-			Operation of this machine with engine driven genera-
minal clamp with green screw.	TABLE A.1		tors not conforming to these conditions is not recom-
			mended and may damage the machine.

120V Input			Stick	Output Current		TIG
Plug	Branch	10% Duty 30% Duty 100% Duty 10% Duty 30% Duty 100% Duty
Rating	Rating	Cycle	Cycle	Cycle	Cycle	Cycle	Cycle
15 Amp 15 Amp		65A	55A	45A	100A	85A	75A
15 Amp 20 Amp		75A	70A	60A	110A	100A	95A
20 Amp 20 Amp		85A	75A	60A	130A	130A	95A
				INVERTEC® V155-S