Operating Instructions

WARNING

•Do not touch electrically live parts or electrode with skin or wet clothing.

•Insulate yourself from work and ground.

ELECTRIC • Always wear dry insulating gloves.

SHOCK can kill

•Keep your head out of fumes.

•Use ventilation or exhaust to remove fumes from breathing zone.

FUMES AND

GASES can be

dangerous

•Keep flammable material away.

•Do not weld upon containers which have held combustibles.

WELDING SPARKS can cause fire or explosion

• Wear eye, ear and body protection.

ARC RAYS

can burn

IMPORTANT SAFETY NOTE: In 2T mode, this DC Constant Voltage wire welder provides “COLD” electrode when the gun trigger is not operated. Conversely, the output terminals are “LIVE” when the gun trigger is “activated” when pressed in 2T mode, or triggered on in 4T mode.

Refer to wire feeder manual for a description of the 2T/4T trigger operation.

Duty Cycle

The machine is rated at the following duty cycles:

Duty Cycle*	Output Amps	Arc Volts

30%	320	30

60%	240	26

100%	190	23.5

*Based on 10 min. time period (i.e., for 60% duty cycle, it is 6 minutes actual welding and 4 minutes with no welding output, but with the input power remaining on keeping the cooling fans operative.)

Control Panel

Power Switch

The mains power switch is incorporated in the “coarse” output voltage control rotary switch. In the “0” position (fully counter clockwise) the input mains power is switched off.

Pilot Light

This light illuminates when the input mains power is switched on

Volts Control

The output voltage is controlled by two rotary switches. One rotary switch provides four “coarse” voltage settings as well as switching the mains power on. The other rotary switch provides the user with a selection of eight “fine” voltage settings. The selection between these two rotary switches allows the user to select any one of thirty-two welding voltages.

The approximate weld voltages for the rotary switch positions are:


Coarse	Fine	Volts	Coarse	Fine	Volts

1	1	13.0	2	1	18.0
1	2	14.0	2	2	18.5
1	3	15.0	2	3	19.0
1	4	16.0	2	4	19.5
1	5	16.5	2	5	20.0
1	6	17.0	2	6	20.5
1	7	17.5	2	7	21.0
1	8	18.0	2	8	21.5

3	1	21.5	4	1	25.0
3	2	22.0	4	2	25.5
3	3	22.5	4	3	26.0
3	4	23.0	4	4	26.5
3	5	23.5	4	5	27.0
3	6	24.0	4	6	28.0
3	7	24.5	4	7	29.0
3	8	25.0	4	8	30.0

Current Control

Use the wire feed speed control on the wire feeder to adjust the speed at which the electrode wire feeds when welding. This is in effect a current control as the power source will deliver the current necessary to melt the wire. The higher the speed, the more current will be required.

Over temperature light

Indicates that the thermostats have operated to protect unit from over temperature.

Setting Up for Welding

(Also refer to the wire feeder instruction manual.)

The following items are required:

1)A reel of wire of suitable size and type .

2)A suitable gun and cable assembly with a “Euro” connector and the correct tip and, if necessary gas nozzle for the consumable being used. (A Magnum FM400 gun is supplied).

3)A work return cable and clamp. (supplied)

4)Normal welding accessories including helmet or hand shield with suitable lens, gloves etc.

5)If a gas shielded process is to be used, a cylinder of appropriate gas is required. (Regulator/flowmeter and hose are supplied.)

Page 8	CV320-I	IMA 574B

CV320-I specifications

The Lincoln Electric CV320-I is a versatile and robust constant voltage power source designed primarily for semi-automatic and automatic welding applications. This machine is widely appreciated for its reliability, efficiency, and cutting-edge technologies, making it a preferred choice in various industrial settings.

One of the standout features of the CV320-I is its advanced inverter technology. This innovative design allows for a more lightweight and compact machine while maintaining high performance levels. The inverter technology improves energy efficiency, resulting in lower operational costs over time. Moreover, its compact size makes transportation and handling easier, especially in job site scenarios where space is at a premium.

Another significant characteristic of the CV320-I is its arc stability. Equipped with sophisticated control circuitry, the machine delivers a consistent arc throughout the welding process. This leads to improved weld quality, reduced spatter, and a cleaner finish. The machine also features a wide voltage range, accommodating various welding processes such as MIG and TIG welding, making it versatile for different applications.

The CV320-I offers impressive output ratings, providing the power needed for heavy-duty tasks. It delivers excellent performance with a duty cycle suitable for continuous use, allowing operators to work longer without interruptions. Additionally, it includes quick disconnects for easy setup and breakdown, enhancing productivity.

Another crucial aspect of the CV320-I is its user-friendly interface. The control panel is intuitively designed, featuring clearly labeled knobs and settings that allow even novice operators to adjust parameters with ease. This simplicity enhances efficiency on the shop floor, reducing downtime associated with complicated setups.

The machine also offers a range of safety features, such as thermal overload protection and output voltage sensing, to ensure both operator safety and equipment longevity. The durable construction and high-quality components further contribute to the machine's ruggedness and reliability in various industrial environments.

In summary, the Lincoln Electric CV320-I is an exceptional welding power source that combines innovative technology, user-friendly design, and robust performance. Its inverter technology, arc stability, and safety features make it an ideal choice for demanding welding applications, ensuring satisfactory results for professionals in the field.