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LTP5500D
OWNER'S MANUAL
Carefully read the operation manual prior to using, installing and maintaining the electric
welding machine
The contents of this manual may be revised without prior notice and without obligation.
This instruction manual is issued on 1st Jan 2018. Rev 01
Conforms with EMC Directives:
73/23/EEC and 89/336/EEC
European Standard: EN/IEC60974
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Table of Contents
Related Manuals for Lotos Technology LTP5500D
Summary of Contents for Lotos Technology LTP5500D
- Page 1 Affordable Tools Achieve More Visit Our Website at: www.uwelding.com LTP5500D OWNER’S MANUAL Carefully read the operation manual prior to using, installing and maintaining the electric welding machine The contents of this manual may be revised without prior notice and without obligation.
- Page 2 IMPORTANT Save This Manual You will need the manual for safety warnings and precautions, assembly instructions, operating and maintenance procedures, parts list and diagram. Keep your invoice with this manual. Write invoice number and date of purchase on the inside of the manual.
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Page 3: Table Of Contents
TABLE OF CONTENTS SAFETY WARNINGS AND PRECAUTIONS ..........................1 READ ALL INSTRUCTIONS BEFORE USING THIS WELDER............. 1 ARC WELDER SAFETY WARNINGS AND PRECAUTIONS..............3 CALIFORNIA PROPOSITION 65 WARNINGS ......................... 5 SPECIFICATIONS ....................................6 ❖ GENERAL DESCRIPTION ......................6 ❖ WHAT’S INCLUDED ........................ -
Page 4: Safety Warnings And Precautions
SAFETY WARNINGS AND PRECAUTIONS intended. inappropriate PLEASE READ attachments in an attempt to exceed the UNDERSTAND THE FOLLOWING tool capacity. SAFETY HIGHLIGHTS. SURE THAT ALL INSTALLATION, ⚫ Use the right tool for the job. Do not OPERATION, MAINTENANCE AND REPAIR attempt to force a small tool or attachment PROCEDURES ARE PERFORMED ONLY BY to do the work of a larger industrial tool. - Page 5 ⚫ Remove adjusting keys and wrenches. by a qualified technician. Check that keys and adjustment wrenches ⚫ Use proper size and type extension cord. are removed from the welder and work area If an extension cord is required, it must be before plugging in.
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Page 6: Arc Welder Safety Warnings And Precautions
should you get a shock. ARC WELDER SAFETY WARNINGS AND PRECAUTIONS FUMES & GASES can be Warning: This product, when used for dangerous welding and similar applications, produces Plasma cutting may produce chemicals known to cause cancer and birth fumes and gases hazardous to health. Avoid defects (or other reproductive harm). - Page 7 shielding gas for the process used and ARC RAYS can burn properly operating regulators designed for ⚫ Avoid body the gas and pressure used. All hoses, damage. Arc rays and infrared fittings, etc. should be suitable for the radiation can cause injury to the application maintained good...
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Page 8: California Proposition 65 Warnings
CALIFORNIA PROPOSITION 65 WARNINGS Welding cutting equipment For Gasoline Engines: produces fumes or gases which Engine exhaust contains contain chemicals known to the chemicals known to the State of State of California to cause birth defects and, in California to cause cancer, birth some cases, cancer. -
Page 9: Specifications
GENERAL DESCRIPTION THANK YOU! You had options for other plasma cutter machines and you chose LOTOS LTP5500D plasma cutter. We appreciate you as a customer and hope that you will enjoy years of use from your plasma cutter. Congratulations on your purchase. -
Page 10: What's Included
WHAT’S INCLUDED ❖ ✓ Power Supply: ✓ 20ft Torch with Central ✓ 10ft Ground Clamp & Connector: Cable: ✓ Air Hose: ✓ Consumables: ✓ Instruction Manual: 7 / 28... -
Page 11: Power Supply Ratings
❖ POWER SUPPLY RATINGS LTP5500D Specification 220/240 V 110/120 V Inverter Type IGBT 55 A/132 V 35 A/119 V Maximum Rated Output Start Type Blow-Back Type Torch Type PT60 Non HF Plasma Torch 60% @ 55 A/132 V 100% @ 35 A/119 V Duty Cycle @ Rated Amps/Volts (40°... -
Page 12: Panel Explanation
The unit is connected to the supply even if the Power Switch is in the “OFF” position meaning there are electrically live parts inside the power source as long as it is plugged in. Carefully follow the instructions given in this manual. ❖... -
Page 13: Disassembly Diagram
❖ DISASSEMBLY DIAGRAM 10 / 28... -
Page 14: Consumable Type And Installation
❖ CONSUMABLE TYPE AND INSTALLATION The LOTOS LTP5500D uses the high-quality stand PT60 Non-HF Plasma torch with EU type central adaptor. Swirl Cutting Electrodes Cutting Nozzles Shield Cup Standoff guide 11 / 28... -
Page 15: Quick Setup Guide
QUICK SETUP GUIDE PLEASE READ ENTIRE INSTALLATION SECTION BEFORE STARTING INSTALLATION. BE SURE THAT ONLY QUALIFIED PERSONNEL PERFORM THIS INSTALLATION. 12 / 28... - Page 16 How to begin using this machine: Before using this machine, you need to read the following information carefully. Get the accessories ready before operating this unit. Connect the IPT60 Plasma torch to the machine. Insert 2. Connect the earth lead to the output terminal of the machine and Tighten the torch connection into the torch connection receptacle at the front of the machine and fasten tightly.
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Page 17: Installation
INSTALLATION PLEASE READ ENTIRE INSTALLATION SECTION BEFORE STARTING INSTALLATION. BE SURE THAT ONLY QUALIFIED PERSONNEL PERFORM THIS INSTALLATION. ❖ MACHINE SETUP ELECTRIC SHOCK can be fatal ⚫ Have a qualified electrician install and service this equipment. ⚫ Turn the input power OFF and unplug the machine from the receptacle before working on this equipment. - Page 18 ➢ OUTPUT CABLE CONNECTION: ⚫ Make sure copper screw at end of torch is connected to gas-electrical integration terminal, then tighten them clockwise (prevent from leaking gas). ⚫ Connect the ground cable to the positive terminal in front panel, then tighten it. Note: The receptacle is keyed.
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Page 19: Operation
OPERATION PLEASE READ AND UNDERSTAND THIS ENTIRE SECITON BEFORE OPERATING YOUR MACHINE. ONLY QUALIFIED PERSONNEL SHOULD OPERATE THIS EQUIPMENT. OBSERVE ALL SAFETY INFORMATION THROUGHOUT THIS MANUAL. ❖ SAFETY OPERATIONS ELECTRIC SHOCK can be fatal ⚫ Have an electrician install and service this machine and its equipment. ⚫... -
Page 20: Operation Steps
❖ OPERATION STEPS ○ ⚫ Turn on the system: Set the ON/OFF switch 12 to the ON (I) position. Screen will turn on and will show the current volume after 5 Seconds. ⚫ Set the 2T/4T model switch 2T/4T Locks the torch in the ON (fire) position. ... - Page 21 ❖ Operating the PT60 Torch with Stand Off Guide The standoff guide is placed on the cutting surface. This maintains an optimal 1/8" standoff distance between the plasma cutting tip and the work, this is especially suitable if your hands are unsteady, or if you wish to use a straight edge guide or pattern guide.
- Page 22 ➢ Hand torch cutting suggestions ⚫ It is easier to pull the torch through the cut than to push it. ⚫ To cut thin material reduce the amperage until you get the best quality cut. ⚫ Use the correct size tip orifice for the amperage being used. ⚫...
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Page 23: Starting A Cut
❖ STARTING A CUT 1. Hold the torch 90° to the edge of the work piece. 2. Press the trigger of the torch to start the pilot arc. Hold the torch at the edge (Do not continue the cut) until the arc has cut completely through the work piece. 3. -
Page 24: Pierce A Work Piece
❖ PIERCE A WORK PIECE Recommend using 2T function while piercing 1. Hold the torch at an approximate 30° to the work piece, the distance between the torch tip and the work piece should be within 1/16 inch (1.5 mm). 2. -
Page 25: Cut Quality Related Factors
❖ CUT QUALITY RELATED FACTORS The best quality cut will be produced when all these variables are set correctly for the material thickness and type of material being cut. • Amperage Standard rule of thumb is the thicker the material the more amperage required. On thick material, set the machine to full output and vary your travel speed. - Page 26 The required air pressure and volume can vary from model to model and the manufacturer will provide the specs. The LOTOS LTP5500D air pressure is pre-set at 4.5 psi and requires a flow rate of 6.0 CF/M. The volume capacity of your compressor is...
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Page 27: Causes Of Common Hand-Cutting Issues
❖ CAUSES OF COMMON HAND-CUTTING ISSUES The work piece is not cut completely through. This can be caused by: ⚫ The amperage setting is too low for the thickness of the work piece. ⚫ The cutting speed is too fast. ⚫... -
Page 28: Maintenance
MAINTENANCE ⚫ Remove dust by using compressed air regularly. If plasma cutter is placed in environment where condition is polluted with smoke and dust, the plasma cutter must have dust removed every day. ⚫ Pressure is adequate to cutting in order to protect smaller components. ⚫... -
Page 29: Troubleshooting
TROUBLESHOOTING For Customer Service, please contact us by support@lotostechnology.com or Call us at 408-739-2329. Issues Resolvable Methods ✓ Over voltage protection is working. Turn off Digital display is on, fan is not working, the machine then turn on it again after several and control knob is not working. -
Page 30: Reference
REFERENCE Note: LOTOS collects its data under laboratory test conditions using new consumables. User experience may vary if the operation conditions are different. ❖ PSI SETTING REFERENCE TABLE Output AMP Air Pressure（PSI） 20 A 30 A 40 A 50 A 55 A ❖... -
Page 31: Consumables
CONSUMABLES The following accessories and consumables can be purchased on www.uwelding.com, or call 408-739-2329 to order. Cutting Consumables Set NCON21 NCON12 28 / 28...