LESITE LST-WP1 User manual

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
CE
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
CE
1 Year
BL
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
CE
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
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 Speed
Current Temp.
Setting 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.
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.

LST-WP1 EN
Default Accessories
Quality Assurance
Maintenance
· Spare 4000w heating element · Anti-hot plate
· Steel brush · Slotted screwdriver
· Phillips screwdriver · Allen wrench (M3, M4, M5, M6)
· Fuse 4A
· This product guarantees a 12-month shelf life from the day it is sold to consumers.
We will be responsible for failures caused by material or manufacturing defects. We
will repair or replace defective parts at our sole discretion to meet the warranty
requirements.
· The quality assurance does not include damage to wearing parts (heating elements,
carbon brushes, bearings, etc.), damage or defects caused by improper handling or
maintenance, and damage caused by falling products. Irregular use and unauthorized
modification should not be covered by the warranty.
· 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.
1
One year
warranty

FUZHOU LESITE PLASTICS WELDING TECHNOLOGY CO.,LTD
Add: 5# Jingpu Road, Pushang Industry Park,
Cangshan, Fuzhou, 350007, Fujian, China
Tel：[phone]
E-mail：[e-mail]
Web：www.lesiteweld.com