Lincoln Electric FLEXTEC 450 CE Operator'S Manual Download Page 17

English  

English 

13

 

Basic Modes of Operation 

 

SMAW 

This weld mode is a constant current (CC) mode 
featuring continuous control from 15 – 815 amps (for 
Flextec™650) and from 15 – 500 amps (for 
Felxtec™450). It is intended for the SMAW stick welding 
processes and arc gouging. 
 

Output Control Local/Remote – 

When the control is 

set to

 

“LOCAL” (no remote potentiometer/control 

plugged into the 6 pin or 14 pin connectors), the output 
is controlled through the Output Control Dial on the front 
of the FLEXTEC™450&650. Set this switch to 
“REMOTE” when an external potentiometer/control is 
connected. 
• 

When a remote potentiometer is connected, the 
output control on the FLEXTEC™450&650 and the 
remote act as a master/slave configuration. Use the 
control dial on the FLEXTEC™450&650 to set the 
maximum welding current. The remote will control 
output from minimum to the pre-set maximum. 
 

Hot Start - 

The Hot Start control regulates the starting 

current

 

at arc initiation. Hot Start can be set to 

“0”

 (for 

Flextec™650) and “Off” (for Felxtec™ 450) and no 
additional current is added at arc start. For Flextec™ 
650: increasing from 

0

 to 

10

 will increase the additional 

current (relative to the preset current) that is added at 
arc initiation.

 

For Flextec™ 450 When set to the “

On

” 

position, additional current (relative to the preset current) 
at arc initiation 
 

Arc Control - 

The Arc Control regulates the Arc Force to 

adjust

 

the short circuit current. The minimum setting  

(-10)

 will produce a "soft" arc and will produce minimal 

spatter. The maximum setting (+10) will produce a 
"crisp" arc and will minimize electrode sticking. 
 

Weld Terminals On/Remote 

– Set to “ON” and the 

machine is

 

in the ready to weld state. 

 

Voltage Display Meter – 

This display will display three 

dashed

 

lines when the machine is in the idle state. This 

indicates that voltage is not settable in this weld mode. 
While output is enabled, the actual welding voltage will 
be displayed. After welding, the meter holds the actual 
voltage value for 5 seconds. Output adjustment while in 
the "hold" period results in the "prior to operation" 
characteristics stated above. The displays blink 
indicating that the machine is in the "hold" period. 
 

Output Control Dial

 

• 

When the Local/Remote is set to “LOCAL”, this dial 
sets the welding amperage.  

• 

When the Local/Remote is set to “REMOTE”, this 
dial sets the maximum welding amperage. The 
remote potentiometer controls the amperage from 
minimum to this pre-set maximum.  

 
Amperage Display Meter – 

This display will display the 

pre-set welding current when the machine is in the idle 
state. After welding, the meter holds the actual 
amperage value for 5 seconds. Output adjustment while 
in the "hold" period results in the "prior to operation" 
characteristics stated above. The displays blink 
indicating that the machine is in the "hold" period. 
 

GTAW 

This weld mode is a constant current (CC) mode 
featuring continuous control from 10 – 815 amps (for 
flextec™ 650) and 10 – 500 amps (for Flextec™ 450). It 
is intended for the GTAW tig welding processes. 
 

Hot Start - 

The Hot Start control regulates the starting 

current

 

at arc initiation. For Flextec™650 a setting of 

+10 results in the most positive arc ignition 

 

For Flextec 

450 can be set to “OFF” and no additional current is 
added to arc start. When set to the “

On

” position, 

additional current (relative to the preset current) at arc 
initiation 
 

Arc Control – 

This control is not used in the GTAW 

mode. 
 

Weld Terminals On/Remote

 

• 

When set to the “ON” position, the weld terminals 
are at OCV (open circuit voltage) and ready to weld. 

• 

When set to the “remote” position, output is enabled 
through a remote trigger.  
 

Voltage Display Meter – 

This display will display three 

dashed

 

lines when the machine is in the idle state. 

This indicates that voltage is not settable in this weld 
mode. While output is enabled, the actual welding 
voltage will be displayed. After welding, the meter holds 
the actual voltage value for 5 seconds. Output 
adjustment while in the "hold" period results in the "prior 
to operation" characteristics stated above. The displays 
blink indicating that the machine is in the "hold" period. 
 

Amperage Display Meter – 

This display will display the 

pre-set welding current when the machine is in the idle 
state. After welding, the meter holds the actual 
amperage value for 5 seconds. Output adjustment while 
in the "hold" period results in the "prior to operation" 
characteristics stated above. The displays blink 
indicating that the machine is in the "hold" period. 
 

Output Control Local/Remote – 

When the control is 

set to

 

“LOCAL” (no remote potentiometer/control 

plugged into the 6 pin or 14 pin connectors), the output 
is controlled through the Output Control Dial on the front 
of the FLEXTEC™ 650&450. Set this switch to 
“REMOTE” when an external potentiometer/control is 
connected. 
• 

When a remote potentiometer is connected, the 
output control on the FLEXTEC™ 450&650 and the 
remote act as a master/slave configuration. Use the 
control dial on the FLEXTEC™ 450&650 to set the 
maximum welding current. The remote will control 
output from minimum to the pre-set maximum. 
 

Output Control Dial

 

• 

When the Local/Remote is set to “LOCAL”, this dial 
sets the welding amperage.  

• 

When the Local/Remote is set to “REMOTE”, this 
dial sets the maximum welding amperage. The 
remote potentiometer controls the amperage from 
minimum to this pre-set maximum.  

 

CV-Gas 

This weld mode is a constant voltage (CV) mode 
featuring continuous control from 10 to 45 volts. It is 
intended for the GMAW, FCAW-GS, MCAW welding 
processes and arc gouging. 
 

Summary of Contents for FLEXTEC 450 CE

Page 1: ...IM2059 04 2014 REV01 FLEXTEC 450 650 CE OPERATOR S MANUAL ENGLISH THE LINCOLN ELECTRIC COMPANY 22801 St Clair Ave Cleveland Ohio 44117 1199 USA www lincolnelectric eu...

Page 2: ...s Product numbers K3065 Product numbers may also contain prefixes and suffixes Is in conformity with Council Directives and amendments Electromagnetic Compatibility EMC Directive 2004 108 EC Low Volta...

Page 3: ...duct numbers K3060 and K3129 Product numbers may also contain prefixes and suffixes Is in conformity with Council Directives and amendments Electromagnetic Compatibility EMC Directive 2004 108 EC Low...

Page 4: ...e dealer For future reference record in the table below your equipment identification information Model Name Code Serial Number can be found on the machine rating plate Model Name Code Serial number D...

Page 5: ...8 10 8 10 8 10 10 6 90 80 60 Output is limited to 600A 100 and 700A 60 when used with K3091 1 Multi Process Swith 1 Cord and Fuse Sizes based upon the U S National Electric Code and maximum output for...

Page 6: ...3 60 415 3 60 42A 40A 39A 8 AWG or 10 mm 2 50 1 Cord and Fuse Sizes based upon the U S National Electric Code and maximum output for 40 C 104 ambient 2 Also called inverse time or thermal magnetic ci...

Page 7: ...the work area for any devices that may malfunction because of electromagnetic disturbances Consider the following Input and output cables control cables and telephone cables that are in or adjacent to...

Page 8: ...he work clamp to avoid the risk of accidental arc ignition ELECTRIC AND MAGNETIC FIELDS MAY BE DANGEROUS Electric current flowing through any conductor creates electric and magnetic fields EMF EMF fie...

Page 9: ...ugh the rear louvers and out through the case sides Dirt dust or any foreign material that can be drawn into the welder should be kept at a minimum Failure to observe these precautions can result in e...

Page 10: ...connection diagram located on the inside of the reconnect input access door of the machine Failure to do so may result in bodily injury or death Input Connection Use a three phase supply line For Fle...

Page 11: ...utput studs of the FLEXTEC 650 450 per the following guidelines Most welding applications run with the electrode being positive For those applications connect the electrode cable between the wire driv...

Page 12: ...This minimizes the possibility of interference between the high currents flowing through the weld cables and the low level signals in the control cables Paralleling only for Flextec 650 FLEXTEC 650 po...

Page 13: ...en Circuit Voltage at the welding output terminals while not welding to less than 35VDC The machine is shipped with VRD enabled The VRD function can be disabled or enabled via a dip switch on the cont...

Page 14: ...on Input voltage misconnection protection Utilizes digital signal processing and microprocessor control VRD Voltage Reduction Device Enable this function for reduced OCV in CC modes for added safety C...

Page 15: ...4 6 pin remote circular connector 15 Positive and negative welding output studs 16 VRD Voltage Reduction Device Indicator lights Figure 5 Flextec 450 Case Back Control Desciptions for Flextec 650 see...

Page 16: ...y Meter Prior to CV operation current flow the meter displays desired preset voltage value 5V only for Flextec 650 Prior to STICK or TIG operation the meter displays the Open Circuit Voltage of the Po...

Page 17: ...hold period results in the prior to operation characteristics stated above The displays blink indicating that the machine is in the hold period GTAW This weld mode is a constant current CC mode featur...

Page 18: ...d arc gouging Hot Start For Flextec 650 Rotate from the 0 position to the 10 position to provide more energy during the start of a weld Hot Start For Flextec 450 Toggle to ON position to provide more...

Page 19: ...e 6 pin or 14 pin connectors the output is controlled through the Output Control Dial on the front of the FLEXTEC 650 Set this switch to REMOTE when an external potentiometer control is connected Outp...

Page 20: ...t reading instructions Do not use this part list for a machine if its code number is not listed Contact the Lincoln Electric Service Department for any code number not listed Use the illustration of a...

Reviews: