Leister UNIPLAN 300 User manual

®
Leister Technologies AG
Galileo-Strasse 10
CH-6056 Kaegiswil/Switzerland
Tel. [phone]
Fax [phone]
www.leister.com
[e-mail]
UNIPLAN
300 / 500
English

2
ContentsContents
1. Application 4
1.1 Intended use 4
1.2 Improper use 4
1.3 Safety Instructions 4
1.4 Power supply 4
2. Technical data 5
3. Transporting 5
4. Your UNIPLAN 300 / 500 6
4.1 Specification plate and identification 6
4.2 Scope of delivery (standard equipment in the case) 6
4.3 Overview of device parts 7
4.4 Power supply interruption 8
5. UNIPLAN 500 control panel 8
5.1 Overview of the UNIPLAN 500 control panel 8
5.2 Function keys 8
5.3 LED status display 9
5.4 Display symbols for the UNIPLAN 500 status display 10
5.5 Display symbols of the function display 10
5.6 Display symbols for the UNIPLAN 500 working display 10
5.7 Display symbols of the menu selection (Display 42) 12
6. Setup menu on the UNIPLAN 500 control panel 12
6.1 Setting up, saving, and selecting recipes (Save Recipes) 12
6.2 Entering recipe names 13
6.3 Basic setting and Advanced Mode 14
6.4 Operating readiness (Eco Mode) 14
6.5 Duty Info (only in Advanced Mode) 15
6.6 General Info (only in Advanced Mode) 15
6.7 Warnings (only in Advanced Mode) 15
6.8 Machine Setup (only in Advanced Mode) 15
6.9 Displaying current values – Application Mode (only in Advanced Mode) 16
6.10 Set Values (only in Advanced Mode) 16
6.11 Reset to defaults (only in Advanced Mode) 16
6.12 Day distance display 16
6.13 Key lock 17
7. Commissioning the UNIPLAN 500 17
7.1 Operating readiness 17
7.2 Starting the device 19
7.3 Setting the welding parameters 19
7.4 Welding sequence 20
7.5 Welding completion 21
7.6 Turning o the device 21

3
8. Warning and error messages (UNIPLAN 500) 22
9. UNIPLAN 300 control panel 23
9.1 Overview of the UNIPLAN 500 control panel 23
9.2 Symbols 23
9.3 LED status display 23
9.4 Setting the parameter units 24
10. Commissioning the UNIPLAN 300 25
10.1 Operating readiness 25
10.2 Starting the device 25
10.3 Setting the welding parameters 25
10.4 Welding sequence 26
10.5 Finishing welding 27
10.6 Turning o the device 27
11. Warning and error messages, UNIPLAN 300 28
12. Maintenance of the UNIPLAN 300 28
13. Frequently asked questions 29
14. Other applicable documents 29
15. Declaration of Conformity 30

4
230 V ~ 50 m 3 x 1.5 mm2
100 m 3 x 2.5 mm2
120 V ~ 50 m 3 x 1.5 mm2
100 m 3 x 2.5 mm2
UNIPLAN 300 / 500
hot-air welder
Congratulations on your purchase of the UNIPLAN 300 / 500.
You have chosen a first-class hot-air welder.
It was developed and produced in accordance with the very latest state of technology in the plastics-processing
industry.
It has also been manufactured using high-quality materials.
You can find more information on the UNIPLAN 300 / 500 at www.leister.com
• Manually-guided hot-air welder for overlap welding, hem welding or pipe welding PVC, PE and similar mate-
rials.
• For use in well-ventilated areas.
• Welding widths: 20mm, 30mm and 40mm
The statutory health and safety regulations applicable in the country of use must be complied with. Never use
the hot-air welder in explosive or readily flammable surroundings. Maintain sucient distance from combustible
materials or explosive gases at all times.
Read the material safety data sheet from the material manufacturer and follow their instructions. Be careful not to
burn the material during the welding process.
Any other use of the UNIPLAN 300 / 500 or any use beyond the type of use described is deemed improper use.
The safety instructions for the device can be found in the section on “Safety Instructions – Automatic Welders/Ex-
trusion Welders/Welding Machines” in the document provided.
You can also find this document in the operating instructions on our website.
Power cord and extension cable
• The power cord (3) must be able to move freely and
must not hinder the user or third parties during work (trip
hazard).
• Any extension cables must be approved for the utilization
site and be marked accordingly. Take into account the
necessary minimum conductor cross-section for extension cables, as required.
On-site generators for power supply
When using on-site generators as a power supply, please ensure that the on-site generators are grounded and
equipped with residual-current circuit breakers.
For the nominal output of on-site generators, the formula "2 × nominal output of the hot-air welder applies".
Application
Intended use
Improper use
We recommend that you always keep the operating instructions with the device.
Safety Instructions
Power supply
up to
up to
up to
up to

5
2 21 1
UNIPLAN 300 UNIPLAN 500
V~ 120 230 120 230
Hz 50 / 60
W1800 3450 1800 3450
°C
°F 100 – 550 212 – 1022 100 – 620 212 – 1148
m/min
ft/min 1 – 16 3.3 – 52.5
mm
inch 20 / 30 / 40 0.8 / 1.2 / 1.6
rpm 8'800 12'500 12'600 18'000
LpA (dB) 70 (K =3)
*kg
lbs 15 33 16 35
ab
ca) mm / inch 500 / 19.7
b) mm / inch 310 / 12.2
c) mm / inch 300 / 11.8
We reserve the right to make technical changes.
Technical data
Comply with applicable, national regulations regarding the carrying or lifting of loads. For transporting the hot-air
welder use only the transport box included in the scope of delivery and carry the transport box using the handle.
The hot-air blower (9) reaches temperatures of 650°C. Therefore, take great care and allow the
hot-air blower (9) to cool down suciently before packing and transporting it (see Cool-Down
Mode). There is a risk of burns and of fire.
Never store flammable materials (such as plastic or wood) in the transport box. There is a risk of fire.
Never use the carrying handle (1) on the device or on the transport box for transporting it with a
crane.
Fold in the hot-air blower (9) prior to transport.
Use the carrying handle (1) or the handles (2)
on the aluminum housing to lift the hot-air welder
by hand.
Transporting
brushed brushless
*without auxiliary weight (15) and power cord (3)

6
Example:
The model and serial number are indicated on your device's specification plate (21).
Please write this information on your operating instructions. In the event of any inquiries to our representatives or
authorized Leister Service Centers, please always refer to this information.
Model:..............................................................................................................................................................
Serial no.:.........................................................................................................................................................
UNIPLAN 300
• 1 x UNIPLAN 300
• 1 x Overlap guide (18)
• 1 x Safety instructions
• 1 x Quick guide
• 1 x Main catalog
UNIPLAN 500
• 1 x UNIPLAN 500
• 1 x Carrying handle / guide handle, short (1)
• 2 x Weights:1.25 kg each (15)
• 1 x Overlap guide (18)
• 1 x Material lifting device (19)
• 1 x Lever screw (20)
• 1 x Bracket for guide handle (21)
• 1 x Weight holder base (22)
• 1 x Weight holder extension (23)
• 1 x Nozzle adjustment gauge (24)
• 1 x Brass wire bush (25)
• 1 x Safety instructions
• 1 x Quick guide
• 1 x Main catalog
• 1 x Hem guide (45)
Your UNIPLAN 300 / 500
Specification plate and identification
Scope of delivery (standard equipment in the case)

7
1
18
20
10
2
13
21
11 4
20
3
2
21
819 16
6
9 1
4
515
17
14
6
12
7
Carrying handle / guide bar
Handles
Power cord
Control panel
Lever for automatic material lifting
Drive roller / contact pressure roller
Support roller
Welding nozzle
Hot-air blower
Nozzle engagement lever
Main switch
Specification plate
Mounting rail for accessories
Mounting rail for accessories storage
Auxiliary weight
Round belt
Tensioner for the round belt
Overlap guide
Material lifting device
Lever screw
Guide handle bracket
Overview of device parts
Figure: UNIPLAN 500
Figure: UNIPLAN 300

8
26
27 33
35
34
28
29
30 31 32
Power supply interruption
If the power supply fails, turn o the main switch and place the hot-air blower into the park position,
in order to avoid damage to the hot-air blower.
UNIPLAN 500 control panel
26 “Up” arrow key
27 “Down” arrow key
28 "Heating on/o" key
29 "Drive on/o" key
30 LED status display
31 "e-Drive"
32 Function display
33 Working display
34 Status display "area 1"
35 Status display "area 2"
Overview of the UNIPLAN 500 control panel
Function keys
Keyboard mode Current selection
Working display
Current selection
function display Current selection
Setup menu
Up (26)
Down (27)
Changes the position
within the working
display.
Switches from
function display to
working display.
Changes the position within
the Setup menu.
Heating
On/Off (28) Turns heating on/o Turns heating on/o No function
Drive
On/O (29) Turns heating on/o Turns heating on/o No function

9
Press "e-Dri-
ve" (31)
Set value is imple-
mented straight away
and the selection
jumps straight back to
the function display.
Selected
function is
executed.
Selection of the marked
position.
Rotate
"e-Drive"
(31)
Setting the desired
setpoints in 10 °C or
0.1 m/min incre-
ments.
Changing the
position in the
function display.
Changes the position within
the Setup menu
Setting the value of the
selected position
LED status display
Heating
The LED on the Heating "On/O" key (28) displays the respective condition of the heating.
LED status (30)
Heating On/O (28) Condition Cause
LED o Heating is turned o.
LED flashes green Heating is turned on. Temperature
is not at setpoint.
LED continuously green Heating is turned on. Temperature
is at setpoint.
LED flashes red Warning message for heating. See the Chapter Warning and er-
ror messages (UNIPLAN 500) 22 [8]
LED continuously red Error message for heating. See the Chapter Warning and er-
ror messages (UNIPLAN 500) 22 [8]
Drive
Warnings and error messages
LED status (30)
Drive On/O (29) Condition Cause
LED o Drive is turned o.
LED continuously green Drive is turned on.
LED continuously red The drive has an error. See the Chapter Warning and er-
ror messages (UNIPLAN 500) 22 [8]
If, during operation of the drive, a warning message occurs in the Status display “area 2”(35) or if there is
an error message in the working display (33), then this will be displayed as follows:
Heating and drive LEDs flash green
simultaneously Error or warning See the Chapter Warning and er-
ror messages (UNIPLAN 500) 22 [8]
The LED on the Drive "On/O" key (29) displays the condition of the drive.

10
Display symbols for the UNIPLAN 500 status display
Display symbols of the function display
Status display "Area 1" (34) / left
Display symbols for the UNIPLAN 500 working display
Note regarding
undervoltage in the
power supply
Note regarding
overvoltage in the
power supply
Heating is turned onKey block is activated
Status display "Area 2" (35)
General Warning note
See the Chapter Warning and error
messages (UNIPLAN 500) 22 [8]
The Status display is subdivided into a left-hand and a right-hand area.
Profile name
• Displays the name of the selected currently valid welding profile (e.g. Basic).
• If a profile name contains more than six characters, the first six characters are shown first, followed by the
remaining characters.
Voltage
• The current voltage is displayed alternating with the profile name.
During operation, the set welding parameters (drive in m/min
or ft/min, temperature in degrees Celsius or Fahrenheit, air volume in percent and, if appli-
cable, information notes are displayed (see Application Mode: Displaying current values).
Use the Up/Down arrow keys (26 / 27) to switch between the welding parameters and
adjust the values individually by turning the "e-Drive" (31).
Symbol Meaning
Drive speed [m/min/ft./min]
Air temperature [°C/°F]
Air volume [%]
Information box

11
°C
500
580
°C
565
530
°C
35
540
°C
580
Device is in standby mode. Once the counter setpoint has been reached the
heating is turned o.
An error has occurred
(the device is not ready for use). Contact an authorized Service Center.
See the Chapter Warning and error messages (UNIPLAN 500) 22 [8]
Warning:
See the Chapter Warning and error messages (UNIPLAN 500) 22 [8]
The arrow pointing upward and the progress bar indicate that the setpoint
(shown on the progress bar) has not yet been reached (too cold). The flashing value
is the actual value. The value next to the progress bar is the setpoint.
The arrow pointing downward and the progress bar indicate that the setpoint
(shown on the progress bar) has not yet been reached (too hot). The flashing value
is the actual value. The value next to the progress bar is the setpoint.
If “Set Values” is activated, both the actual temperature (large font) and the set
temperature (small font) are displayed.
If “Set Values” is deactivated, during operation only the actual values (large font)
are displayed, otherwise only the setpoint values (large font).
Cool down mode
Hardware error message, heating element faulty
The device is no longer ready for operation. Contact an authorized Leister Service
Center.

12
Display symbols of the menu selection (Display 42)
Use the Arrow keys (26, 27) to select one of the available menus on the control panel (4).
Your UNIPLAN 500 has more than 15 freely definable recipes and the "BASIC" recipe available.
"Save Recipes" can be used to save the setpoint settings for the drive, air temperature and air flow range welding
parameters under a freely selectable designation (see Input recipe names).
Creating a new recipe
Set up the desired setpoints [Working display, "e-Drive" (31)]
Select and confirm the "Settings" menu [Menu selection, "e-Drive" (31)]
Select the "Save Recipes" menu [Menu selection, "e-Drive" (31)]
Select and confirm the "User-defined" menu [Menu selection, "e-Drive" (31)]
Select and confirm the "Edit selected item" menu [Menu selection, "e-Drive" (31)]
Enter the desired recipe name, select Enter on the keyboard (see Inputting recipe names), and confirm [Menu
selection, "e-Drive" (31)]
Select and confirm the "Save" menu [Menu selection, "e-Drive" (31)]
Your newly created recipe is now saved and can be accessed at any time under the name that has been entered.
Setup menu on the UNIPLAN 500 control panel
Symbol Meaning Symbol Meaning
Turn the drive on/o Call up the Service menu (password-pro-
tected)
Select a saved welding
profile Edit the current settings / current profile
Adjust the settings Save the current settings / current profile
Go to the initial screen (Home) Delete the current settings / current profile
Go to the previous view/one level back Initiate the cooling process
Reset to the factory settings (Reset)
Setting up, saving, and selecting recipes (Save Recipes)

13
Modifying an existing recipe
Set up the desired setpoints [Working display, "e-Drive" (31)]
Select and confirm the "Settings" menu [Menu selection, "e-Drive" (31)]
Select the "Save Recipes" menu [Menu selection, "e-Drive" (31)]
Select and confirm the recipe to be adjusted [Menu selection, "e-Drive" (31)]
Select and confirm either "Save" function, "Edit selected item", or "Delete" [Menu selection, "e-Drive" (31)]
If the "Edit selected item" has been selected, enter a freely selectable recipe name in accordance with Steps
6 and 7 described above
Selecting a recipe
• Choosing the "Recipes" icon in the function display (32) takes you to the "Select Recipes" menu.
• Use the arrow keys (26 / 27) to position the cursor on the desired recipe and press "e-Drive" (31) to
confirm.
• If, during operation you change setpoints in the recipe you created, the setpoints will not be saved in the
recipe. When the device is restarted, the values saved in the recipe will be displayed again.
• If you wish to apply the most recently used setpoints when you restart the device, you have to select the
preprogrammed "BASIC" recipe.
• The currently selected recipe is displayed in the status display "area 1" (34).
Your newly created recipe is now saved and can be accessed at any time under the name that has been entered.
In keyboard mode, you can define names with a maximum of 12 characters.
Entering recipe names
Keyboard mode Character selection (36) Symbol selection (37)
Up (26)
Down (27) Vertical character selection
Rotate "e-Dri-
ve" (31) Horizontal character selection Horizontal symbol selection
Press "e-Drive"
(31) Confirm the selected characters Confirm the selected symbols

14
32
32
37
Change between upper and lower case
Move the cursor position to enter the name
Insert a blank space
Delete one character (the character to the left of the cursor)
Select this symbol to switch to the
function display (32)
In the Basic setting, move through the Setup menu to save the recipe, to the Standby
function ("Eco Mode") and Advanced Mode.
Additional information and setting options are available in Advanced Mode.
Basic setting and Advanced Mode
If the motor is turned o, the heating is activated, and if no key is pressed during the
time defined under "Eco Mode" interval, then the device will switch over automatically
to the Standby display. If the "e-Drive" (31) is not pressed during the subsequent 180
seconds, then the heating will switch to Cool Down mode. Standby will then appear on
the display. Pressing "e-Drive" (31) causes the device to switch to Working mode.
Standby mode is not activated when the devices are shipped.
The desired time interval can be defined individually by selecting the Eco Mode menu
with the "e-Drive" (31) and then setting the desired value with the "e-Drive" (31).
Operating readiness (Eco Mode)

15
Under Duty Info you will find information regarding the runtime of your UNIPLAN 500.
Use the "e-Drive" (31) to access the "Settings" menu and confirm your selection. Now use the "e-Drive" (31) to
set the "Advanced Mode" to "On" and then select "Duty Info".
Drive hours: Current runtime of the drive
Blower hours: Current runtime of the blower
Machine hours: Current runtime of the machine
Day distance: Distance covered since last reset (must be reset manually)
Total Distance: Distance covered since commissioning of the device
Duty Info (only in Advanced Mode)
Under "General Info" you will find version information regarding the software in addition to
information regarding the date of production.
Use the "e-Drive" (31) to access the "Settings" menu and confirm your selection. Use the
"e-Drive" (31) to set the "Advanced Mode" to "On" and then select "General Info".
Warnings are displayed as they arise in the status display area 2 (35). The "Warnings"
menu indicates which malfunction has occurred. Once the malfunction has been rectified,
the entry disappears.
Use the "e-Drive" (31) to access the "Settings" menu and confirm your selection. Use the
"e-Drive" (31) to set the "Advanced Mode" to "On" and then select Warnings.
Use the "e-Drive" (31) to access the "Settings" menu and confirm your selection. Use the
"e-Drive" (31) to set the "Advanced Mode" to "On" and then select "Machine Setup".
Unit: Setting the system's units (metric or imperial) for Unit Speed and Unit Heat.
LCD Contrast: Adjusting the LCD display contrast
LCD Backlight: Adjusting the LCD display background illumination
Key Backlight: Adjusting the keyboard's background illumination on the control panel (4)
General Info (only in Advanced Mode)
Warnings (only in Advanced Mode)
Machine Setup (only in Advanced Mode)

16
5 sec
1 ×
If you wish to have an overview of relevant information, e.g., supply voltage, capacity utili-
zation of the heating, select the "Settings" menu and confirm your selection. Now activate
the "Application Mode".
All available information (symbol i) is now displayed in the working display (33) (see
Display symbols on the working display).
Displaying current values – Application Mode (only in Advanced Mode)
If you have activated the "Set Values" function, then the actual values are shown in large
font and the setpoint values are shown in small font in the working display (33). This
applies to both speed and temperature. If the function has been deactivated, only the
setpoint values are displayed.
The "Set Values" function is deactivated by the factory.
Use the "e-Drive" (31) to access the "Settings" menu and confirm your selection. Now
set the "Advanced Mode" to "On" and then select "Reset to defaults".
This function can be used to reset all of the individually set values back to the factory
settings. The reset aects not only the settings, (Setup) but also the recipes.
Confirm your selection with the button on the lower left (Reset to factory settings/Reset).
Set Values (only in Advanced Mode)
Reset to defaults (only in Advanced Mode)
Day distance display
As soon as the drive is running, the distance is displayed. The day distance can be retrieved as follows:
Use the "Up" (26) and "Down" (27) arrow keys to posi-
tion the cursor on the speed in the working display (33).
Hold the "e-Drive" (31) down for five seconds.
The values of the day distance and the total distance are
now shown in the speed display.
Briefly pressing on the "e-Drive" (31) causes the speed to
be shown again in the working display (33).

17
A
B
C
Resetting the day distance
The day distance can be reset only once the drive is switched o.
The UNIPLAN 500 has a key lock. This blocks the four keys and the "e-Drive" (31) on the control panel (4). The
key lock is activated or deactivated by simultaneously pressing the "Up" and "Down" arrow keys (26/27) for at
least 2 seconds. When the key lock is activated, this is indicated on the status bar.
Adjusting the welding nozzle (8)
• The basic setting of the welding nozzle (8) is performed in the works.
• Check the basic setting of the welding nozzle (8).
The setting can be checked by the nozzle gauge (24) or as by the measurements A and B.
Prior to commissioning, check the power cord (3), the plug, and the extension cable for electrical and mechani-
cal damage. Damaged plugs and the extension cables must not be used, there is a risk of an electric shock.
If you are using the hot-air welder on a table, take care at all times to prevent the welder falling o the table.
If you are working on the ground and the operation will be prolonged, for ergonomic reasons we recommend the
use of a long guide rod. This is available in the accessories set.
Select the "Day Distance" line in the "Duty Info" ( see the Chapter Duty Info
15 [6.5]).
The cursor will then automatically highlight the "Reset hours counter"
icon. Use the "e-Drive" (31) to confirm.
The hour counter is then reset.
Key lock
Commissioning the UNIPLAN 500
Operating readiness
A =45 +/−5 mm
B =1 – 2 mm
C =1 mm

18
1234
38
17 16 6
Installing the guide bar (1)
• Install the guide bar (1) using the lever screw (20) and set it to the desired position
Adding an auxiliary weight (15)
• Install the weight holder base (22), plus any necessary weight holder extensions (23), and place the
weights (15) on the weight holders (max. seven auxiliary weights)
Adjusting the overlap guide (18)
The roller on the overlap guide (18) has 4 markings
Adjusting the starting switch
Release the starting switch (38) clamp, and move the starting switch as
required. Moving it to the left increases the starting delay, moving it to the
right reduces the starting delay. This increases or reduces the preheating
time at the start up.
Adjusting the round belt (16)
Check the position of the round belt (16). The round belt
(16) must lie parallel to the drive roller / contact pressure roller (6). If
necessary, adjust the tensioner (17) for the round belt.
1: Not used
2: Marking 40, 30, 20 mm overlap (factory setting)
3: Not used
4: Marking tape 40 mm

19
Starting the device
Connect the device to an outlet with a protective conductor. Any interruption of the protective
conductor inside or outside of the device is not permitted. Only use extension cables with protective
conductors.
The local supply voltage must match the nominal voltage specified on the device. EN 6100-3-11;UNI-
PLAN 500 Zmax =0.384Ω+j 0.240Ω; UNIPLAN 300 Zmax =0.377Ω+j 0.236Ω. If necessary, consult
supply authority. If the power supply fails, turn o the main switch (11) and place the hot-air blower
(9) into the park position, in order to avoid damage.
If the device is being used on job sites, a residual-current circuit breaker must be used to protect site
personnel.
Place the hot-air blower (9) into the park position and connect the hot-air welder to the
power supply.
Use the main switch (11) to turn the hot-air welder on.
After starting, the Start screen will appear briefly in the display with the version number
of the current Software Release and the device designation.
After the device has cooled down, a static display of setpoints from the most recently
used profile (the Profile Basic is displayed at the time of initial commissioning of the
device).
At this stage, the heating is not yet turned on!
Select the desired welding profile or define the welding parameters individually (see
"Setting the parameters").
Now turn on the heating (Heating on/o, 28).
Then perform test welds in accordance with the welding instructions of the material manufacturer and/or national
standards or regulations, and inspect the results. Adjust the welding profile as necessary.
With the UNIPLAN 500 you can regulate the setpoints of the three welding parameters individually at any time,
even during ongoing operations.
Select:
Use the arrow keys (26 / 27) to select the parameter to be changed.
Representation:
The selected area is shown with a dark background.
Adjustment:
Rotate the "e-Drive" (31) to adjust the selected setpoint to your requirements.
Proceed as follows:
Setting the welding parameters

20
Positioning the device
• Check that the upper and lower sides of the material to be welded are
clean between the edges of the overlap.
• Then check that the welding nozzle (8), the drive roller / contact
pressure roller (6) and the round belt (16) are clean.
• Now use the material lifting device (5) to lift the hot-air welder and
move the device to the desired welding position.
• Then put down the roller on the overlap guide (18).
• Make sure that the roller on the overlap guide (18) is in line with the
outer edge of the contact pressure roller (6).
Welding Preparation
• As soon as you have turned on the heater, you will see a dynamic
display of the current air temperature with progress bar (setpoint and
actual values).
• Make sure that the tool has reached the appropriate welding tem-
perature before commencing work (the heat-up time is three −five
minutes).
• Now use the material lifting device (5) to lower the hot-air welder into
the working position.
• Slightly lift the material behind the automatic welder and pull the mate-
rial lifting device lever (19) towards the hot-air blower until the material
rests against the lever. This ensures that the nozzle can be inserted
between the two pieces of material.
•
Commencing welding
• Press the lever to engage the nozzle (10);the hot-air blower (9) is lowered automatically and the welding
nozzle is inserted between the two pieces of material.
• The material lifting device (19) is automatically activated when the nozzle is engaged and triggers the lever.
• The drive motor automatically starts as soon as the hot-air blower (9) is engaged.
You can also start the device manually with the Drive On/O key (29).
Welding sequence