LEISTER Varimat V Hot Air Automatic Welding
Contents
1. OPERATING INSTRUCTIONS LEISTER Varimat V Hot Air Automatic Welding Machine oa Please read operating instructions carefully before Lid use and keep for further reference APPLICATION LEISTER Varimat V Automatic Overlap Welding Machine e For overlap welding of roofing membranes made of PVC PE ECB EPDM CSPE and Modified Bitumen for areas close to edges and uneven surfaces e Overlap welding of foils and coated materials Width of wel ding seam 20 40 mm LEISTER Varimat V Automatic Bitumen Welding Machine For overlap welding of Modified Bitumen sheet Width of welding seam 80 100 or 120 mm LEISTER Process Technologies Riedstrasse CH 6060 Sarnen Switzerland Tel 41 41 6627474 Fax 41 41 6627416 wwwieister com sales leister com 1 AN WARNING OF eD Danger Unplug the tool before opening it as live com ponents and connections are exposed Incorrect use of the hot air tool can present a fire and explosion hazard especially near combustable moteri als and explosive gases Do not touch the element housing and nozzle when hot as they can cause burns Allow the tool to cool down Do not point the hot air flow at people or animals Connect tool to a receptacle with protective earth terminal Any interruption of the protective conductor inside or outside the tool is dangerous Line mains extension cables must always have a pro tective ground conductor AN CAUTION 230 400 DOA G APPR2. Upper guide bar Clamping lever guide bar heigh adujstable Cable holder Round belt Clamping lever guide bar sensor covering 12 Pendulum action roller rey 6 Rubber buffer 7 Tension ring 8 Tightening disk 9 Cylinder screw Retaining ring Tension ring Rubber buffer Tappet casing Rubber tyre DISPLAY OPTIONS LEISTER Varimat V 1 3 5 fa Hy m tt eu 7J Main Level D o gt main switch 3 on ec ooact Display of 1 Welding speed ACTUAL value 2 a 6 2 Welding speed SET value 3 Temperature ACTUAL value 4 Temperature SET value 5 Voltage ACTUAL value 6 Welded length ACTUAL value 1 3 5 2 eu 00 230V E Z Control Leve gt amp amp uck ooeocn main switch 3 on a ou cou Display of 2 4 6 1 Welding speed ACTUAL value 2 Welding speed Power consumption in after start 3 Temperature ACTUAL value 4 Temperature Power consumption in after start 5 Voltage ACTUAL value 6 Welded length ACTUAL value Heating Drive active Display 2 Heating reason for fault Action 100 set value e mains under voltage reduction of airflow 100 notachieved e heating element faulty repair Drive reason for fault Action e mains under voltage reduction of welding speed e high welding speed with check welding large sudden overload procedure machine FAULT FINDING ACTIONS LEISTER Varimat
3. parts GUARANTEE AND LIABILITY e Guarantee and liability are in accordance with the guarantee certificate as well as with the currently valid general business and sales conditions e LEISTER Process Technologies rejects any guarantee claims for tools which are not in their original condition The tools must never be altered or changed Technical data and specifications are subject to change without prior notice Your authorised Service Centre is LEISTER Process Technologies Riedstrasse CH 6060 Sarnen Switzerland Tel 41 41 6627474 Fax 41 41 6627416 wwwieister com sales leister com 11 LEISTER Service Record LEISTER Varimat V This document should be kept up to date during repair or servicing by the authorized LEISTER Service Centre This document should be in the possession of the owner of the equipment Technical data Type of Automatic Hot Air Welding Machine OrderNo ee ceeseesssnscessvscertecesrsesessecearsessssecesseeseseess Serial No ARAARA Rated voltage i iceeesstntnessensntnvssscanennnnecs V Rated capacity AAE W Sole cc ccccaneeee date Service 1 Date vce Service Centre nnns Signature 2 DATE oe Service Centien SIQNOTULE n 3 Date wo Service Centre Signature A Date iii Service OX I Signature 5 Date n Service Centre nenns SIgNOAtUTE iaaii 6 Date oo Service Centien Signature Repair 1 Date wo Service Centre SIQNOTULE n 2 DOT n Service Centre nnns SIQNOTULE araires 3 Da
4. to the shift spring 19 to the left until it stops illustration B Position the hot air blower 8 by pulling the locking lever 11 and swivel it up until it locks Illustration A The basic adjustment of the welding nozzle 9 is done at the factory Illustration A and C Connect the tool to the mains The voltage rating stated on the tool should correspond to the mains voltage Illustration Illustration B 18 16 19 c USAGE Overlap 80 100 120 mm LEISTER Varimat V Tool positioning e Tip up the Automatic Welding Machine by applying pressure to the guide bar 27 and position it ready for welding Release the transport roller 16 by lifting it with the guide bar 27 Push the transport roller 16 to the left until it stops by applying light pressure to the shift spring 19 Swivel the guide roller 18 down The guide roller 18 should be set parallel to the edge of the pendulum action roller 12 see illustration E e Do atest run To correct the tracking adjust the adjustment screw for tracking 13 see illustration F and G and the function notes on the automatic welding machine Illustration E Illustration F Illustration G L Welding procedure Adjust welding parameters see page The welding temperature must be achieved heating up time approx 5 min If the temperature is not achieved reduce the airflow Do a test run Pull the locking lever 11 lower t
5. EREEN r i H ARLO 100 Important note During the heating up process the airflow is adjusted automatically to 100 Only after reaching the SET temperature the pre set airflow in is taken over element protection If the SET temperature has not been achieved adjust the airflow to 80 before switching on the heating element Reset Z aq ypo 230 EOE us I V Welded length M amp 22 upg o pay m Welding speed Depending on the film or geomembrane liner and the influence of the weather set the welding speed with the El keys The in put SET value will be shown on the display Drive 4 E SET value setting E ono 2 20 230V 22 400 i00 WELDING PARAMETERS Overlap 20 40 mm LEISTER Varimat V Welding pressure Illustration H e The welding pressure is transmitted to the 120N 155N 190N e As necessary the additional weights 22 and pendulum action roller 12 the end weight 23 can be put on see illustration H OPERATION Overlap 20 40 mm LEISTER Varimat V Operating condition Attach strain relief of guide bar 26 27 Hang the mains cable 1 into the cable holder 29 Adjust the guide bar 27 with the clamping lever 28 to the desired height Check the basic setting of the welding nozzle 9 ex works illustration A and C Transport setting Swivel the guide roller 18 upwards Release the transport roller 16 by
6. OVAL MARKS Technical Data The voltage rating stated on the tool should correspond to the mains voltage For personal protection we strongly recommend the tool be connected to an RCCB Residual Current Circuit Breaker before using it on construction sites The tool must be operated under supervision The heat can ignite flammable materials which are not in view Protect the tool from damp and wet Protection Class I Voltage V 230 400 230 400 Power consumption W 4600 5700 4600 6300 Frequency Hz 50 60 50 60 Temperature C 20 620 stepless 20 620 stepless Drive m min 0 5 5 stepless 0 5 5 stepless Welding pressure N ca 190 2 weights ca 220 2 weights Air flow 50 100 50 100 Emission level Lpa AB 67 67 Size mm 640 x 430 x 330 640 x 430 x 330 Weight kg 33 with 5 m cable 35 with 5 m cable 2 Mains voltage cannot be switched over DESCRIPTION OF TOOLS LEISTER Varimat V Cable to mains Housing Main switch Key board Display Sensor Locking screw Hot air blower Welding nozzle Tool holder Locking lever Pendulum action roller Adjustment screw for tracking Track alignment roller Guide roller Adjustable transport roller Transport roller Guide roller Shift spring for transport roller Gate Scale for tool adjustment Additional weight End weight Carrying handle Socket head cap screw Lower guide bar
7. V Automatic starter reason for fault Drive motor does not start automatically after the nozzle has been positioned e Sensor 6 set incorrectly Action adjust Sensor Switch off main switch 3 Remove sensor covering 32 Lower the hot air blower 8 and guide it to the left until it locks Locking lever 11 must click in Loosen locking screw for sensor 7 Push sensor 6 fo tool holder 10 IMPORTANT Distance between tool holder and sensor gt 0 2 0 5mm max Tighten locking screw for sensor 7 Fix sensor covering 32 Move the hot air blower 8 out until it locks and swivel up Make a functional test If malfunction is still present contact your Service Center Error 100 101 102 Measures e Check blower air must be flowing out of nozzle check the blower e if malfunction is still present contact your Service Center WELDING PARAMETERS LEISTER Varimat V Welding Temperature Set the welding temperature with the HI EI keys The temperature is dependent on the material and the ambient temperature The in put SET value ill be shown on the display Switch on the heating by pressing the and keys simultaneously Heating up time approx 5 mins SET value not achie ved see airflow Cursor will blink Heating gt JH on the display SET value setting m amp Hf ON OFF se i Airflow gt H IEEE 2x S
8. he hot air blower 8 and position it between the overlapped sheets until it stops The drive motor will start automatically If it does not start see sensor adjustment page 5 The machine can be started manually by pressing key Mj The automatic welding machine is guided along the overlap with the guide bar 27 Do not apply pressure to the guide bar 27 this could lead to welding faults Keep watching the guide roller 18 position After welding pull the locking lever 11 take the hot air blower 8 out until it stops and swivel up until it locks _ When the welding is completed switch off heater with the and HI keys on the keyboard 4 so that the welding nozzle 8 cools down e Switch off main switch 3 10 ACCESSORIES e Only LEISTER accessories should be used TRAINING LEISTER and its authorized Service Centres offer welding courses world wide free of charge If necessary customers will also receive training on site MAINTENANCE e Clean the welding nozzle 9 with a wire brush e Clean air inlet to blower 8 e Check mains cable 1 and plug for electrical and mechanical damage SERVICE AND REPAIR e If display shows the message maintenance servicing the machine must be examined by an authorised LEISTER service centre e Repairs have to be carried out by authorised LEISTER Service Centres only They guarantee a specialized and reliable repair service within 24 hours using origi nal LEISTER spare
9. raising the guide bar 27 Push the transport roller 16 by applying a little pressure to the shift spring 19 to the left until it stops illustration B Position the hot air blower 8 by pulling the locking lever 11 and swivel it up until if locks Illustration A Connect the tool to the mains The voltage rating stated on the tool should correspond to the mains voltage Illustration Cc Illustration B USAGE Overlap 20 40 mm LEISTER Varimat V Tool positioning e Tip up the Automatic Welding Machine by applying pressure to the guide bar 27 and position it ready for welding Release the transport roller 16 by lifting it with the guide bar 27 e Push the transport roller 16 to the left until it stops by applying light pressure to the shift spring 19 Swivel the guide roller 18 down The guide roller 18 should be set parallel to the edge of the pendulum action roller 12 see illustration E Do a test run To correct the tracking adjust the adjustment screw for tracking 13 see illu stration F and G and the function notes on the automatic welding machine Illustration E Illustration F Illustration G Welding procedure e Adjust welding parameter see page The welding temperature must be achieved heating up time approx 5 min Do a test run Pull the locking lever 11 lower the hot air blower 8 and position it between the overlapped sheets
10. te oo Service Centien Signature LEISTER Process Technologies Riedstrasse CH 6060 Sarnen Switzerland Tel 41 41 662 7474 Fax 41 41 6627416 www leister com sales leister com 12
11. until it stops If it does not start see sensor adjustment page 5 The machine can be started manually with key Mj The automatic welding machine is guided along the overlap with the guide bar 27 Do not apply pressure to the guide bar 27 this could lead to welding faults Keep watching the guide roller 18 position After welding pull the locking lever 11 take the hot air blower 8 out until it stops and swivel up until it locks After completion of the welding work switch off the heater by pressing keys and Hi on keyboard 4 simultaneously so that the welding nozzle 8 cools down e Switch off main switch 3 8 WELDING PARAMETERS Overlap 80 100 120 mm LEISTER Varimat V Welding pressure Illustration H The welding pressure is transmitted to the 140N 175N 210N pendulum action roller 12 As necessary the additional weights 22 and the end weight 23 can be put on see illustration H OPERATION Overlap 80 100 120 mm LEISTER Varimat V Operating condition Attach the guide bar 26 27 Hang strain relief of mains cable 1 in the cable holder 29 Adjust the guide bar 27 with the clamping lever 28 to the desired height Check the basic setting of the welding nozzle 9 ex works detail A and C Transport setting Swivel the guide roller 18 upwards Release the transport roller 16 by lifting up with the guide bar 27 Push the transport roller 16 by applying a little pressure
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