Lincoln Electric SVM149-A service manual Installation, Technical Specifications PRO-CUT 25 K1756-1

Page 8

Return to Section TOC

Return to Section TOC

Return to Section TOC

Return to Section TOC

Return to Master TOC

Return to Master TOC

Return to Master TOC

Return to Master TOC

A-2

INSTALLATION

A-2

 

 

 

 

 

 

 

 

TECHNICAL SPECIFICATIONS - PRO-CUT 25 (K1756-1)

 

 

 

 

 

 

 

 

 

 

 

 

INPUT - SINGLE PHASE / 60 HERTZ ONLY

 

 

 

 

 

Standard Voltage

1Ø Input Current at Rated Output

 

 

 

 

 

115/230/1/50/60Hz

115

V : 15 A @ 20%

 

 

 

 

 

 

115

V : 26.7A@ 60%

 

 

 

 

 

 

115

V : 37.7A@ 35%

 

 

 

 

 

 

230 V : 15 A@100%

 

 

 

 

 

 

230 V : 19 A @ 60%

 

 

 

 

 

 

 

 

 

 

RATED OUTPUT

Duty Cycle

AMPS

20% on 115 V

15 A

60% on 115 V

20 A

100% on 230 V

20 A

35% on 115 V

25 A

60% on 230 V

25 A

 

 

 

OUTPUT

 

 

 

Current

Open Circuit

Pilot Current

Range

Voltage

 

12-25 Amps

400 VDC

12 Amps

 

 

 

 

 

 

 

 

REQUIRED GAS FLOW RATE

 

 

 

REQUIRED GAS INLET PRESSURE

 

 

 

 

 

 

55 PSI @ 240 SCFH

 

 

 

 

 

65 to 150 PSI

 

 

 

 

( 3.8 Bar. @ 6800 LHR)

 

 

 

 

(4.5 Bar. TO 10.3 Bar.)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RECOMMEND INPUT

WIRE AND FUSE SIZES

 

 

 

 

 

 

For all plasma cutting applications

 

 

 

 

 

 

Based on U.S. National Electrical Code

 

 

 

 

 

 

Ambient Temperature 30oC or Less

 

 

 

Output

AC Input

 

Input Cord

 

 

 

 

Fuse

 

Type 75oC

 

 

Voltage

 

Plug

 

(Super Lag)

 

Copper Wire in Conduit

 

 

at

 

Size

 

Circuit Breaker

 

AWG (IEC) Sizes

 

 

50/60

 

 

 

 

(Delay Type)

 

 

 

 

 

 

Hertz

 

 

 

 

 

 

 

 

2 Input Supply Wires

1 Ground Wire

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

25 A

230V-1Ø

 

 

 

 

20 AMPS

 

#14 (2.5 mm2)

#14 (2.5 mm2)

 

6-20P or 6-30P or 6-50P

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15 A

115V-1Ø

5-15P* or 5-20P* or 5-30P or 5-50P

 

 

 

15 AMPS

 

#12 (4 mm2)

#12 (4 mm2)

 

20 A

115V-1Ø

5-20P* or 5-30P or 5-50P

 

 

 

20 AMPS

 

#12 (4 mm2)

#12 (4 mm2)

 

25 A

115V-1Ø

 

5-30P or 5-50P

 

 

 

30 AMPS

 

#12 (4 mm2)

#12 (4 mm2)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PHYSICAL DIMENSIONS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Height

 

Width

 

 

 

 

 

Depth

 

Weight

 

 

 

 

 

 

 

 

 

 

 

 

Including

 

 

 

 

 

 

 

 

 

 

 

 

Torch Cable

 

 

10.2 in.

 

6.3 in.

 

 

 

 

 

16.1 in.

 

35 lbs.

 

 

 

 

 

 

 

 

 

15.9 kg.

 

 

260 mm

 

160 mm

 

 

 

 

 

410 mm

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

* Included with machine

PRO-CUT 25

Image 8
Contents PRO-CUT Safety Cylinder may explode if damaged Safety Précautions DE Sûreté Master Table of Contents for ALL Sections PRO-CUT Table of Contents Installation SectionInstallation Technical Specifications PRO-CUT 25 K1756-1Safety Precautions Electric Shock can Kill Select Proper LocationHigh Frequency Interference Protection Input Electrical ConnectionsGAS Input Connections Output Connections TorchPRO-CUT Table of Contents Operation Section Safety Precautions Preheat Temperature for Plasma CuttingOperation DescriptionUser Responsibility Operational Features and ControlsDesign Features Advantages Cutting Capability Consumable LifeControls and Settings LimitationsApparently wrong, reset the machine by turning Pilot ARC DiscussionProcedure Recommendations General In All CasesPRO-CUT Accessories General Options Accessories Maintenance Routine Maintenance Electric Shock can killPRO CUT PRO-CUT Table of Contents Theory of Operation Section Input Line VOLTAGE, and Auxiliary Transformer Theory of OperationGeneral Description Precharge and Protection Figure E.3 Precharge and ProtectionMain Transformer Return Return to Section TOCFigure E.5 Plasma Output Section and Torch Control Board Figure E.6 Control BoardAccidental Operation Protection Safety PARTS-IN-PLACE ProtectionProtection Circuits Insulated Gate Bipolar Transistor Igbt Operation Table of Contents Troubleshooting & Repair Section Troubleshooting & Repair HOW to USE Troubleshooting GuidePC Board Troubleshooting Procedures Output Problems Function Problems See the Operation section Troubleshooting & Repair LED Function Problems Input Filter Capacitor Discharge Procedure DescriptionDischarge Procedure Right Side of MachineMain Inverter Board Resistance Test Right Side of Machine IGBT’s D2 D1 D11 D10 PRO-CUT Input Board Voltage Test Test Points Fan PRO-CUT Main Inverter Board Voltage Test P2 P1 P2 P1 PRO-CUT Torch Continuity and Solenoid Test Torch Continuity and Solenoid Test Torch Continuity and Solenoid Test PRO-CUT AIR/GAS Solenoid Test AIR/GAS Solenoid Test Control Board Removal and Replacement Small Red Cap Screws Over tighten Input Board Removal and Replacement Input Board Input Board Removal & Replacement PRO-CUT Main Inverter Board Removal and Replacement Main Board Main Inverter Board Removal & Replacement PRO-CUT Switch Removal and Replacement PRO FAN Removal and Replacement Fan Do Not Over tighten Retest After Repair Machine Input and OutputElectrical Diagrams Table of Contents Electrical Diagrams SectionInput Voltage Board Pressure SCHEMATIC- Control Printed Circuit Board Sheet Electrical Diagrams Electrical Diagrams PC Board Assembly Main Inverter Board PC Board Assembly Input Board Cutting Current Path SVM Error Reporting Form