Lincoln Electric SVM136-A Controls And Settings, Operation, FIGURE B.1 - CASE FRONT CONTROLS

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B-5 B-5

OPERATION

CONTROLS AND SETTINGS

All operator controls and settings are located on the case front assembly. See Figure B.1 for their locations.

FIGURE B.1 – CASE FRONT CONTROLS

		8	9	10	11
					1
					2
7	6	5		4	3

1. POWER SOURCE PILOT LIGHT	6. DC AMMETER
2. ON/OFF POWER TOGGLE SWITCH	7. AUXILIARY POWER CONNECTIONS FOR WIRE FEEDER AND
3. OUTPUT CONTROL POTENTIOMETER	OTHER EQUIPMENT (115V AND 42V)
4. OUTPUT CONTROL SWITCH (WITH LOCAL OR	8. VOLTMETER "+" ELECTRODE OR "-" ELECTRODE SWITCH
REMOTE POSITIONS)	9. THERMAL PROTECTION INDICATOR LIGHT
5. DC VOLTMETER

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1.POWER SOURCE PILOT LIGHT: This light indi- cates that the power source input contactor is ener- gized (closed). This also means that the main power transformer and all auxiliary control transformers are energized.

2.ON/OFF POWER TOGGLE SWITCH: Energizes or deengergizes the input contactor. The switch turns the machine ON or OFF. Position "I" is ON; position "0" is OFF.

3.OUTPUT CONTROL POTENTIOMETER: Controls output voltage.

4.OUTPUT CONTROL SWITCH (WITH LOCAL OR REMOTE POSITIONS): Selects the mode of control. In the "Local" position, control is by the machine con- trol panel. In the "Remote" position, control is by either a wire feeder unit or through an optional remote control device.

5.DC VOLTMETER (OPTIONAL): Displays actual out- put voltage.

6.DC AMMETER (OPTIONAL): Displays actual output current.

7.AUXILIARY POWER AND REMOTE CONTROL CONNECTIONS FOR WIRE FEEDER AND OTHER EQUIPMENT (115V AND 42V): The 14-pin amphe- nol receptacle provides either 115 or 42 VAC as well as remote control connections. Terminal strips with screw connections are located behind the hinged control panel for hard wired control. A strain relief connector is provided for cable entry. The 42 VAC auxiliary is not available at the terminal strip.

8.VOLTMETER "+" ELECTRODE OR "-" ELEC- TRODE SWITCH: Selects the electrode polarity for the remote work sensing lead (#21) when using automatic or semiautomatic wire feeders. It must agree with the actual electrode polarity chosen and with the wire feeder polarity switch on the feeder.

9.THERMAL PROTECTON INDICATOR LIGHT: This light indicates that either of the two protective ther- mostats has opened. Welding output is disabled but input power is still applied.

10.42 VAC AUXILIARY CIRCUIT BREAKER: This 10 amp breaker protects the 42 VAC auxiliary circuit.

11.115 VAC AUXILIARY CIRCUIT BREAKER: This 10 amp breaker protects the 115 VAC auxiliary circuit.

IDEALARC CV-400