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APPENDIX

A-1

Manual 0-4809

Appendix 1:  Operating Sequence, Block Diagram

Primary Input Power "On" or Plugged in

Green Power Indicator "On" and Fan is Running

Power Supply On/Off Switch "On"

No Pilot Arc 

Air Set Switch "On"

Torch Tip to Work after Pilot Arc start

Pilot Arc Ignition 

Start Cutting Operation

Torch Switch "Off"

YES

Post Flow of Air, Approximately 10 Seconds Then Stops

Cutting Done ?

Torch Switch "On"

Air Flows at Torch.  Set Air Pressure Then Turn Air Set Switch "Off"

Red Air Indicator and
 Audible Alert Beeping

Pilot Arc goes out

Release Torch Switch  

Primary Input Power Switch "Off" or Unplugged

Green Power Indicator "Off" and Fan Stops

Air Flow at Torch Stops

Power Supply On/Off Switch "Off"

Check Torch parts
alignment.  PIP switches
need to be repaired by a 
Qualified Technician

More air flow is required 
for Torch to Pilot than to 
run the power supply. 
Re-check regulator setting.

 NO  

Note:  The Torch will be very hot!  Do not set on or near flammable materials!

Art # A-04390

Summary of Contents for NXP35

Page 1: ...Plasma Cutting System Model NXP35 November 21 2005 Manual 0 4809 Operating Manual Number the art as Art A 044 nexus...

Page 2: ......

Page 3: ...fications 2 2 2 05 System Contents 2 2 2 06 Transporting Methods 2 2 SECTION 3 INSTALLATION 3 1 3 01 Site Selection 3 1 3 02 Electrical Input Connections 3 1 3 03 Compressed Air Connection 3 1 SECTION...

Page 4: ...l Nexus distributor if you have any questions GASES AND FUMES Gases and fumes produced during the plasma cut ting process can be dangerous and hazardous to your health Keep all fumes and gases from th...

Page 5: ...nated or dissipated Trapped hydrogen gas that is ig nited will cause an explosion NOISE Noise can cause permanent hearing loss Plasma arc processes can cause noise levels to exceed safe lim its You mu...

Page 6: ...ve Equipment Safety Foot wear 10 EH54 Assessment of Exposure to Fumes from Welding and Allied Processes http hsebooks com Books HSE Books ISBN 0 7176 0570 1 11 EH55 The Control of Exposure to Fume s f...

Page 7: ...er shall not under any circumstances be liable for any special indirect or consequential loss or damages such as but not limited to loss or damage of purchased or replacement products or any claims br...

Page 8: ...m Duty Cycle ratings at Ambient Air Temperatures of 40 C 104 F 60 27Amps System Duty Cycle ratings at Ambient Air Temperatures of 40 C 104 F 100 20Amps Maximum Cutting Capacity 35A 1 2 12mm Dimension...

Page 9: ...ch Ratings for NXP35 2 05 System Contents ITEMS Description Q ty Power Source Model NXP35 1 Torch Set SL60 with 20 leads 6 1m 1 Accessories Consumables Air Regulator Work Cable Manual Torch Electrodes...

Page 10: ...rical code and the recommended circuit protection and wir ing requirements as specified in Section 2 0 3 03 Compressed Air Connection An air compressor is required and should be con nected to rear pan...

Page 11: ...power supply but not enough air flow to operate the torch Torch Switch Latch Indicator This indicator lights when the Torch Switch Latch Button has been pressed for continuous cutting B Buttons Torch...

Page 12: ...ust correspond with the type of operation and with the amperage output of this Power Supply 35 amps maximum Use only genuine manufactured parts with this torch Electrode 9 8215 Start Cartridge 9 8213...

Page 13: ...g and the torch used in the Drag mode or standoff height indicated Unit Standoff Material Thickness NXP35 Drag 10GA 0 135 3mm 94 7 2367 75 7 1893 NXP35 Drag 7GA 0 179 4 5mm 57 0 1425 45 6 1140 NXP35 1...

Page 14: ...n power electronics measurement and troubleshoot ing techniques 1 Basic Troubleshooting Overview This guide covers basic troubleshooting It is helpful for solving many of the common problems that can...

Page 15: ...artridge Art A 03621 4 Worn or faulty torch parts a Inspect torch consumable parts Replace if nec essary 5 Thermal Switch activated a Allow the cooling fan to run for 2 minutes or longer until it will...

Page 16: ...PWM PCB faulty a Return to an authorized service center for re pair F Air flows continuously and torch switch latch button doesn t work properly 1 Torch Switch Latch button on front panel faulty a Re...

Page 17: ...Torch Switch On Air Flows at Torch Set Air Pressure Then Turn Air Set Switch Off Red Air Indicator and Audible Alert Beeping Pilot Arc goes out Release Torch Switch Primary Input Power Switch Off or...

Page 18: ...tch Negative Plasma Lead Torch Head White Black Orange Green PIP Switch Torch Leads To Power Supply Adapter Disconnect power and air Lay unit on its side Remove access plate Pilot Power Supply Adapter...

Page 19: ...1 TEMP ERROR No 40271003 G3 E4 E3 IGBT AIR ERROR IGBT AIR CHECK C5 C4 C3 REACTOR GN_1 VC_1 PILOT R6 CN4 C6 CN3 DIODE No 40270004 CN3 GN_1 VD_1 VC_1 Current Sensor Pressure Sensor Solenoid V V AC230 No...

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