Lincoln Electric IM602-A manual Controls and Settings, Power ON/OFF Switch This tog

B-3 OPERATION B-3

CONTROLS AND SETTINGS

All operator controls and adjustments are located on the case front of the DC-655. Refer to Figures B.1, and B.2 and corresponding explanations.

8	2	9
	3

										1
				DC-655
					7		4	5	6
				FIGURE B.1 CONTROL PANEL CONTROLS
1. INPUT		POWER ON/OFF SWITCH - This tog-			remote device such as a wire feeder closes the #2
gle switch turns the machine on or off. Putting the					and #4 circuit in the MS-receptacle or terminal strip.
switch in the ON			position energizes the		When this switch is in the ON position the
machine’s input contactor applying input power to					machine’s output terminals will be electrically ener-
the machine . Switching the switch to the					gized all the time.
OFF	position de-energizes the input contactor.
This switch is also used to reset a machine shut-					5. LOCAL/REMOTE CONTROL SWITCH - When this
down. (See Machine Shutdown section)					switch is set to the LOCAL				position, control of
					the output voltage is via the output control on the
2. PILOT LIGHT - When the power switch is in the					DC-655’s control panel.			When this switch is set to
ON position the machine’s white pilot light will illu-					the REMOTE		position, control is through a
minate.	If the input contactor de-energizes the				remote source	such as a wire feeder via the #75,
machine in a shutdown situation the pilot will still					#76, and #77 leads in the MS-receptacle or terminal
illuminate. In this situation it will be necessary to					strip.
reset the machine by switching the power switch to
the OFF then ON position . (See Machine					6. CC STICK/CV SUBARC/CV MIG MODE SWITCH -
Shutdown section)					This switch selects the proper welding characteris-
					tics for the process being used:

3.OUTPUT CONTROL - This control provides

continuous control of the machine’s output from			CC Stick provides a constant current output
minimum to maximum as it is rotated clockwise.			characteristic through the 50 to 815 amp range.
The CV mode voltage range of control is 13 to 44V.			The current is adjusted within this range by the
The CC mode current range of control is 50 to			Output Control dial. The open circuit (no load)
815A.			voltage will be about 68 volts in this mode.
4. OUTPUT TERMINALS ON/REMOTE - When this
switch is in the REMOTE		position, the DC-655’s
output terminals will be	electrically “cold” until a
		DC-655