LESITE LST-WP4 Manual

LESITE LST-WP4 Manual

Roofing hot air welder

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LST-WP4
Please read this manual carefully before using this machine,
and keep it for future reference
Application
The new generation roofing hot air welder LST-WP4 offers more application diversity
with the welding of high quality thermoplastic waterproof membrane (PVC,TPO,EPDM,
ECB,EVA, etc.) can be realized quickly in the gutter of the roof, near the edge of the
gutter, near the parapet or in other narrow spaces.
Precautions
Please confirm that the machine is turned off and unplugged
before disassembling the welding machine, so as not to be
injured by live wires or components inside the machine.
The welding machine generates high temperature and high
heat, which may cause fire or explosion when used incorrectly,
especially when it is close to combustible materials or explosive gas.
Please do not touch the air duct and nozzle(during welding work or
when the welding machine has not completely cooled down),
and do not face the nozzle to avoid burns.
The power supply voltage must match the rated voltage (230V)
marked on the welding machine and be reliably grounded. Connect
the welding machine to a socket with a protective ground conductor.
In order to ensure the safety of the operators and the reliable
operation of the equipment, the power supply at the construction site
must be equipped with a regulated power supply and a leakage protector.
The welding machine must be operated under the correct control of the
operator, otherwise it may cause combustion or explosion due to
high temperature
It is strictly forbidden to use the welding machine in water or muddy
ground, avoid soaking, rain or damp
EN

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Summary of Contents for LESITE LST-WP4

  • Page 1 Application The new generation roofing hot air welder LST-WP4 offers more application diversity with the welding of high quality thermoplastic waterproof membrane (PVC,TPO,EPDM, ECB,EVA, etc.) can be realized quickly in the gutter of the roof, near the edge of the gutter, near the parapet or in other narrow spaces.
  • Page 2: Main Parts

    LST-WP4 Main Parts 16、 Operating Handle 1、 Carry Handle 5、 Driving Pressure Wheel 2、 Lifting Handle 15、 Guide Bar 3、 360 Degree 14、 Power Cable Rotation Wheel 4、 Directional Bearing 6、 Welding Nozzle 7、 Hot Air Blower 8、 Blower Guide 9、...
  • Page 3: Control Panel

    LST-WP4 Control Panel 20-Temperature Rise Button 21-Temperature Drop Button 22-Speed Rise Button 23-Speed Drop Button 24-Air Volume Adjustment Knob 25-Machine Walk Button 26-Current Temp. 27-Setting Temp. 28-Current Speed 29-Setting Speed 30-Power ON/OFF 20+21- Press Simultaneously Turn OFF/ON Heating 1.Welding temperature:...
  • Page 4 LST-WP4 Positioning Before Welding 2、 Lifting Handle Upper Film 13、 Guide Wheel 5、 Driving Pressure Wheel Lower Film 10、 Front Wheel upper membrane edge 12、 Fixing Screw Press the Lifting Handle (2) to raise the welding machine and move it to the welding...
  • Page 5 LST-WP4 Welding Nozzle Setting Nozzle 35-42mm Nozzle pic1 pic2 ◆ Nozzle default position setting 3 pcs Adjusting screws Nozzle Distance between nozzle and wheel pic3 ◆ Adjust the nozzle position by 3 pcs screws...
  • Page 6: Error Code

    LST-WP4 Nameplate The model identification and serial number identification are marked on the nameplate of the machine you choose. Please provide these data when consulting Lesite Sales and Service Center. Error Code Error Code Description Measures No thermocouple Error a.Check thermocouple connection...
  • Page 7: Shutdown Steps

    LST-WP4 Boot Steps Current Temp. Current Speed Current Speed ① Turn on the machine, and the LCD display screens are shown as above. At this time, the air blower does not heat and is in the state of blowing natural wind.
  • Page 8: Daily Maintenance

    LST-WP4 Daily Maintenance Use steel brush to clean the welding nozzle. Clean the air inlet at the back of the hot air blower.
  • Page 9: Quality Assurance

    Repairs and Spare Parts · It is strongly recommended to send the product to Lesite company or authorized repair center for professional inspection and repair. · Only original Lesite spare parts are allowed.

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