LESITE LST-WP1 Bedienungsanleitung

Lesite Technology

LST-WP1

Roofing Hot Air Welder

Manual

LST-WP1 EN

Please read this manual carefully before using this machine,

and keep it for future reference

Application

Precautions

The roofing hot air welder LST-WP1 is of advanced heating technology and large

welding pressure. And it is powerful, stable and easy to be operated, which is suitable

for PVC, TPO, EPDM, CPE and other polymer waterproofing membrane constructions.

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.

LST-WP1 EN

Parameter

Model LST-WP1

Voltage

Power

Welding Temp

Welding Speed

Welding Seam

Machine Size

Net Weight

Certificate

Warranty

230V

4200W

50～620℃

1～10m/min

40mm

555×358×304mm

38 kg

1 Year

Model LST-WP1

Voltage

Power

Welding Temp

Welding Speed

Welding Seam

Machine Size

Net Weight

Motor

Air Volume

Certificate

Warranty

230V

4200W

50～620 ℃

1～10m/min

40mm

555×358×304mm

38 kg

Brush-less Air Blower

70-100% Infinitely Adjustable

1 Year

MOTOR

LST-WP1 EN

Main Parts

230V

4200W

50～620 ℃

1～10m/min

40mm

555×358×304mm

38 kg

Brush-less Air Blower

70-100% Infinitely Adjustable

1 Year

1 1 、H a n d l e

10、Guide Bar

9、Power Wire Of

Hot Air Blower

8、Hot Air Blower

7、Hot Air Blower

Fixed Set

6、Hot Air Blower

Guide Screw 5、Machine Frame

3、Hot Air Nozzle

2、Drive Roller

1、Pressure Roller

14、Clump Weight ( outer)

13、Clump Weight (middle)

12、Lift Handle

4、Hot Airblower

Fixed Slider

31、Casing Cover

16、Rolling Wheel

15、Belt Wheel Fixed Screw

17、Round Belt

18、Belt Wheel

19、Belt Wheel Linkage

20、Front Wheel (left)

21、Guide Wheel 22、Fixed Axle Of Guide Wheel

23、Fixed Plate of Guide Wheel

24、Limit Groove Plate

Of Guide Wheel

25、Handle Of Guide Wheel

26、Front Wheel (right)

28、Baffle Of

Micro Switch

27、Guide Rail Of

Hot Air Blower

30、Position Handle

Of Hot Air Blower

29、Adjusting Screw

LST-WP1 EN

Control Panel

1.Welding temperature：

Using bottoms to set the required temperature. You can set the temperature

according to the welding materials and the ambient temperature. LCD display screen will

show the setting temperature and the current temperature.

2. Welding speed:

Using bottoms to set the required speed according to the welding temperature.

LCD display will show the setting speed and the current speed.

● The machine has a memory function parameters, namely when you use the welder next

time, the welder will automatically use the last setting parameters without having to

re-set parameters.

32-Temperature

Rise Button

33-Temperature

Drop Button

34-Speed Rise

Button

35-Speed Drop

Button

36-Machine

Walk Button

37-Current Temp.

38-Setting Temp.

39-Current Speed

40-Setting Speed

41-Power ON/OFF

32+33- Press

Simultaneously

Turn OFF/ON Heating

LST-WP1 EN

Positioning Before Welding

Limit Groove Plate Of Guide Wheel

Handle Of

Guide Wheel

Fixed Plate Of Guide Wheel

Lower Film

Guide Wheel

upper

membrane edge

Upper Film

1.Depress handle to lift machine, move it to welding position (the edge of upper

film should keep in the same alignment with drive roller), as shown in figure 4.

2.Lift guide bar to make front wheel (left) off the ground，slide handle of guide

wheel to right side until the right position of limit groove plate of guide wheel,

to keep the guide wheel in the same alignment with the edge of upper film.

LST-WP1 EN

Welding Nozzle Setting

Nozzle

pic1

◆ Nozzle default position setting

◆ Adjust the nozzle position by 3 pcs screws

pic2

pic3

35-42mm

1mm

1-2mm

3 pcs Adjusting screws

Distance between nozzle and wheel

LST-WP1 EN

Nameplate

Error Code

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 Description Measures

Error

T002

Error

S002

Error

T002

Error

FANerr

No thermocouple

detected

No heating element

detected

Thermocouple failure

in operation

Overheating

a.Check thermocouple connection

b.Replace thermocouple

a.Check heating element connection

b.Replace heating element

a.Check thermocouple connection

b.Replace thermocouple

a.Check hot air blower

b.Clean nozzle and filter

LST-WP1 EN

Boot Steps

Shutdown Steps

Current Temp. Current Speed

Current Speed

Current Temp.

Setting Temp.

Current Speed

Current Temp.

Setting Temp.

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.

② Press the buttons Temperature Rise (32) and Temperature Drop (33) at the

same time. At this time, the air blower starts to heat up to the setting temperature.

When the current temperature reach the setting temperature, press button Speed

Rise（34） to set speed. The LCD screens are shown as above.

③ Pull up the Blower Location Handle (30) , raise the Hot Air Blower (8), lower the

Welding Nozzle (3) to make it close to the lower membrane, move the air blower

to the left to insert the welding nozzle into the membranes and make the welding

nozzle in place, At this time, the welding machine automatically walks for welding.

The LCD screens are shown above.

After completing the welding work, remove the welding nozzle and return to the

initial position, and press the buttons Temperature Rise (32) and Temperature

Drop (33) on the control panel at the same time to turn off the heating. At this time,

the hot air blower stops heating and is in cold air standby mode while allowing the

welding nozzle to cool down after waiting for the temperature to drop to 60°C, and

then turn off the power switch.

④ Pay attention to the position of the Guide Wheel (21) at all times. If the position

deviates, you can touch the Operating Handle (25) to adjust.

LST-WP1 EN

Daily Maintenance

Use steel brush to clean

the welding nozzle.

Clean the air inlet at the

back of the hot air blower.

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