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Operating Instructions
inverter
N. B. These operating instructions must be read before commissioning.
Failure to do so may be dangerous. Machines may only be operated by personnel who is
familiar with the appropriate safety regulations.
The machines bear the conformity mark - and thus comply with the
·
EC Low Voltage Guideline (73/23/EEC)
·
EC EMV Guideline (89/336/EEC)
(The CE Mark is only required in EC member states)
In compliance with VDE 0544 (EN 60974-1), the machines can be used in environments with
S
an increased electrical hazard.
© 2000
We reserve the right to make amendments.
STICK-Schweißgeräte
from 350A to 450A,
portable
inverter
STICK 350
inverter
STICK 350 PWS
inverter
STICK 450
EWM HIGHTEC WELDING GmbH
Dr.-Günter - Henle - Straße 8; D-56271 Mündersbach
Phone: +49 (0)2680.181-0; Fax: +49 (0)2680.181-244
www.ewm.de
Internet:
; E-mail:
art. no.: 099-002015-EWM01
info@ewm.de
GB
Revised: 28.08.2000
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Table of Contents
Summary of Contents for EWM STICK 350 PWS
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Page 1: Operating Instructions
EWM HIGHTEC WELDING GmbH Dr.-Günter - Henle - Straße 8; D-56271 Mündersbach Phone: +49 (0)2680.181-0; Fax: +49 (0)2680.181-244 www.ewm.de info@ewm.de Internet: ; E-mail: Operating Instructions STICK-Schweißgeräte inverter from 350A to 450A, portable inverter STICK 350 inverter STICK 350 PWS inverter STICK 450 N. - Page 2 / ou de modifications prohibeés, qui Reparaturen und / oder unerlaubten Umbauten, allowed by EWM, this declaration will lose its n´ont pas été autorisés expressément par EWM, die nicht ausdrücklich von EWM autorisiert sind, validity.
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Page 3: Table Of Contents
Table of contents Page Safety instructions..........................Safety/1 For your safety ..........................Safety/1 Transport and set-up..........................Safety/3 Notes on the use of these operating instructions..................Safety/3 General ............................AI/1 Technical data ............................. 1/1 Description of the machine........................ 2/1 Function specification (logic control)....................3/1 Function specification (logic control) .................. -
Page 4: Safety Instructions
Safety instructions For Your Safety: Observe accident prevention regulations. Ignoring the following safety procedures can be fatal. · Before undertaking welding tasks, put on prescribed dry protective clothing, e.g. gloves. · Protect eyes and face with protective visor. Electric shocks can be fatal ·... - Page 5 Safety instructions Take care to avoid fire hazards · Containers in which fuels or lubricants have been present must be thoroughly cleaned before welding begins. It is not sufficient simply for the receptacle to be empty. · After a workpiece has been welded, it must only be touched or brought into contact with inflammable material when it has cooled down sufficiently.
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Page 6: Transport And Set-Up
Safety instructions Transport and set-up · Machines may only be moved and operated in an upright position. · Before moving, pull out mains plug and place on the machine. · Secure high-pressure shielding gas cylinder with safety chain to prevent it from toppling over. -
Page 7: General
General About this machine manufactured in inverter technology Congratulations. You have purchased a modern and efficient welding machine in inverter technology. In contrast to conventional welding current sources, it does not operate with 50Hz but with a 50kHz primary-switch transistor current source. You can now exploit the advantages of this inverter technology: ·... -
Page 8: Technical Data
Technical data inverter inverter inverter STICK 350 STICK 350 PWS STICK 450 5 A / 20.2 V - 5 A / 20.2 V -450 A / Adjusting range Welding 350 A / 34 V 38 V current / voltage Efficiency... -
Page 9: Description Of The Machine
Hot BASISCH Arcforcing rotary dial RUTIL CELL inverter Pole changeover switch ( STICK 350 PWS only ) Changeover switch: Cableless remote control "ON/OFF" inverter STICK 350/450 KLR only) Remote control connection Welding current socket "-" inverter (negative polarity in pole changeover switch position "-",... -
Page 10: Function Specification (Logic Control)
Function specification Function specification (logic control) Fig. 2: Inverter Logic control STICK 350 PWS Main current I The main current I can be adjusted infinitely from 5A to the maximum 300A welding current. Hotstart current The hotstart device makes it possible to ignite and re-ignite critical stick 300A electrodes without difficulty. -
Page 11: Function Specification (Logic Control)
If the antistick device has responded, check the welding current setting and if necessary correct it. inverter Pole exchange changeover switch ( STICK 350 PWS only) Position "-" means : negative welding voltage potential at welding current socket ( - ) -
Page 12: Function Sequence Mma Welding
Function specification Function sequence MMA welding When the stick electrode has been struck, the arc ignites at the adjusted hotstart current I welds with this current until the expiry of the hotstart time t . The hotstart current then falls to the adjusted main current I and remains constant until welding is completed. -
Page 13: Remote Controls
Function specification Remote controls Only the remote controls described in these operating instructions may be connected! Plug the remote control into the remote control socket of the welding machine (Chap. 2, J) and lock it only when the machine is switched off. The remote control is detected automatically when the welding machine is switched on. - Page 14 Function specification Manual remote control FR 30F PWS Functions · Pole changeover switch to change the welding polarity. The welding current I is adjustable in absolute values from the minimum to the maximum current depending on the welding current selected on the machine. The welding current I is adjustable in 2 ranges for this (coarse/fine adjustment).
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Page 15: Commissioning
Commissioning Setting up the welding machine Follow safety instructions on the opening pages entitled "For Your Safety". · Set up the machine so that there is enough room to adjust the operating elements. · Ensure that the machine is set up in a stable position and appropriately secured. Mains connection The operating voltage shown on the rating plate must be consistent with the mains voltage! For mains fuse, please refer to the technical data (Chap. -
Page 16: Welding Machine Cooling System
Commissioning Welding machine cooling system Observe the following to attain the optimum duty cycle of the power units: · Ensure that the working area is adequately ventilated, · Do not obstruct the machine’s air inlets and outlets, · Metal parts, dust or other foreign bodies must not get into the machine. Workpiece lead Remove paint, rust and dirt from clamping and welding areas with a wire brush! Attach the workpiece clamp in the immediate vicinity of the welding position! Structural parts, pipes,... -
Page 17: Maintenance And Care
Maintenance and care Under normal operating conditions these welding machines are largely maintenance-free and require a minimum of care. However, a number of points should be observed to guarantee fault- free operation of your welding machine. Among these are regular cleaning and checking, as described below, depending on the level of contamination in the environment and the usage time of the welding machine. - Page 18 Maintenance and care 5.2.2 Measurement of protective conductor resistance Measure between safety contact of the mains plug and metal parts which can be touched, e.g. casing screws. During measuring, the entire length of the machine’s connection lead, especially near the connection points, must be moved.
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Page 19: Customer Checklist
Operating faults, causes and remedies All machines are subjected to strict manufacturing and final inspection procedures. If, despite this, something fails to work at any time, please check machine using the following process chart. If none of the fault elimination procedures described leads to the correct functioning of the machine, please inform your authorised dealer. - Page 20 Spare parts list Fig. 1, front Designation Type STICK 350 STICK 350 PWS STICK 450 B2N-A-F15-B 074-000279-00001 Main switch D200-F15-B-SI 094-000525-00000 094-001814-00000 Switch knob Æ 23mm / 2523060 Rotary dial 074-000315-00000 Æ 23mm / 4123002 074-000315-00001 Rotary dial cover Æ 23mm / 4223002...
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Page 21: Spare Parts List
Spare parts list Fig. 2, rear Designation Type STICK 350 STICK 350 PWS STICK 450 1095 - 07 074-000237-00000 Grip 1095-12- 074-000237-00008 Tube: steel 03/30x1.5x440mm Feet: rubber 40x35/M8/thread 074-000223-00000 height 7mm 1.25A slow-blow/250V 094-000430-00000 1 0 Fuse 1 1 Angular casing 094-004226-00006 094-003584-00007 094-000840-00005 4x2.5qmm/HO7RN-F... - Page 22 Spare parts list Fig. 3, side view left Designation Type STICK 350 STICK 350 PWS STICK 450 EI84a/60VA 094-000615-00001 IND control transformer Switch: Magnet EL-MA/320/EBC 094-000722-00000 STICK DC 34V/350A- 070-000079-00001 Inverter kit 3x400V/415V-L STICK DC 38V/450A- 070-000059-00001 3x400V/415V-L MTD55-14A 064-000083-00014...
- Page 23 Spare parts list Fig. 4, side view right Designation Type STICK 350 STICK 350 PWS STICK 450 STICK 1/3 040-000415-00000 12 PCB welding electronics 13 PCB welding FAL 1/AF 040-000470-00001 electronics 14 Isodul diode - MDDM120-04F02 080-000257-00004 fast DSB 3/4...
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Page 24: Circuit Diagrams
Schaltpläne / Circuit Diagrams inverter STICK 350 / 450 (Schaltpläne befinden sich ebenfalls im Gerät) - Page 25 Schaltpläne / Circuit Diagrams inverter STICK 350 PWS...
- Page 26 Schaltpläne / Circuit Diagrams inverter STICK 350 / 450 KLR...
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