Lotos LTP5000D User Manual
LOTOS TECHNOLOGY
www.uwelding.com
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Lotos Technology LTP5000D
Quick Setup
Instructions
Power plug wiring identification:
The GREEN wire with the yellow strip is ground wire. The other two wires have equal
usage. They are both hot wires for 240 V. And one is hot one is netural under 120 V.
Quick Setup:
1. Wear a proper helmet (Figure 1.1) to protect your eyes
from harmful plasma cutting arc radiation. Wear safety
gloves to protect your hands during operation.
Figure 1.1
2. Connect the machine air inlet (on the back of the machine, use stand NPT 1/4” industry
type D coupler, Figure 1.2) to an air compressor (Figure 1.3 & 1.4) and set the air
pressure to 65 - 70 PSI. (The capacity of air compressor should be larger than 4.0 SCFM
@ 65 PSI).
65 - 70 PSI
Air
Inlet
Figure 1.3
Power
Cord
Figure 1.2
Air
Inlet
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Air In
Figure 1.4
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3. Connect your plasma cutting torch and ground cable to the front panel of the machine
(Figure1.5).
Air/Power
Output
3-pin Switch
Plug
Ground
Cable
Figure 1.5
4. Attach the ground clamp to the metal work piece that you plan to cut. Make sure that
you cannot pull out the ground connection from the machine input. The metal work
piece should be securely attached.
5. Make sure the consumables are properly assembled on the torch head.
6. Press the trigger of the torch and make sure there is air flow through it.
7. Move the torch head to the work piece, press the trigger (for spacing from the work
piece, maintain a slight distance approx. 1 mm) and you will find that the torch will
ignite. Enjoy cutting!!
8. Change your consumables (tip, electrode, and cup) when they become worn out. The
correct consumable type for this machine is PCON20, PCON40, PCON90 etc. All
accessories and consumables can be purchased at www.uwelding.com or Lotos’s
authorized resellers.
Thank you for your business!
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LOTOS Plasma Cutters
User Manual
Version: 3.0, July 2017
Copyright © Lotos Technology
www.uwelding.com is operated by eBranding Inc.
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http://www.uwelding.com/
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Table of Contents
Introduction
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Users . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Safety Recommendations
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Safety Recommendations . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Avoiding Fatal Electric Shock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Avoiding Harmful Smoke, Gases, and Vapors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Avoiding Harmful Arc Emissions/Rays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Avoiding Harmful Noises . . .
Fire or Explosion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Burn Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Protecting Eyes from Flying Metal or Dirt . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . 7
Pacemakers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Cylinder Handing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Cralifornia Proposition 65 Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Equipment
General Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Main Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Ideal Cutting Chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Front Panel Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Power Cord Plug Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
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. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
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Instruction Notes
Cutting Environment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Maintenance and Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Plasma Cutter LTP5000D Troubleshooting Flowchat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Plasma Cutter LTP5000D Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Plasma Cutter LTP5000D Fan Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Plasma Cutter LTP5000D Other Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
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Introduction
Overview
Dear Valued Customer:
Thank you for purchasing a Lotos Technology plasma cutter! Feel free to check out our
other products at www.uwelding.com.
The User Manual documents policies and procedures for proper operation of the
equipment.
IMPORTANT: Be sure to review the contents of this manual before attempting to operate
the equipment. This manual should be located where it can be easily referenced by all
users of the machine.
Users
This manual assumes that all individuals reading the manual and using the welder/cutter
are able, qualified, and/or certified to operate this type of machinery.
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S a f e t y R e c o m m e n d a t i o n s - R e a d B e f o r e U s i n g
only. Do not hard wire the machine directly to
Overview
Protect yourself and others from injury — read and follow these precautions.
Caution Recommendations
CAUTION: Welding and arc cutting
can cause bodily injury.
• Do NOT switch off the machine while machine is in
operation since internal circuitry can be damaged.
Avoiding Fatal Electric Shock
• Isolate yourself from both the
ground and the work piece.
Avoiding Harmful Smoke, Gases, and Vapors that can injure or kill.
Welding produces fumes and gases.
Breathing these fumes and gases
can be hazardous to your health.
• Connect the machine to a UL-approved outlet
the power source.
• Wear safety goggles at all times. This will dark-
en
the arc that is generated by the machine
and protect your eyes from harmful rays.
• All machine operators should be technically
certified for welding/cutting.
• Make sure that your working area is
nonflammable and explosive-free.
• Keep your head away from any smoke, gases, or
vapors.
Avoiding Harmful Arc Emissions/Rays that can burn eyes and skin.
Arc rays from the welding process
produce intense visible and invisible
rays that can burn eyes and skin.
Sparks fly off from the weld.
• Wear appropriate clothing and a welding or
cutting mask to protect your eyes and skin.
Avoiding Harmful Noises that can damage hearing.
Noise from some processes can
damage hearing.
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• Use appropriate safety screen or curtain to
prevent emissions from reaching individuals
near the work area.
• Ensure that your working area contains no
flammable items; and that none are nearby.
Caution: Welding and cutting spray can ignite.
• Wear protective earplugs while operating
machine.
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