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Summary of Contents for EWM cool35 U31
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Page 1: Operating Instructions
Operating instructions Air-cooling units for water-cooled welding torches cool35 U31 cool71 U42 cool71 U43 Observe additional system documents! 099-008091-EW501 11.11.2011... -
Page 2: General Instructions
© EWM HIGHTEC WELDING GmbH · Dr. Günter-Henle-Str. 8 · D-56271 Mündersbach, Germany The copyright to this document remains the property of the manufacturer. -
Page 3: Table Of Contents
7 Rectifying faults ........................... 25 Customer checklist........................25 Vent coolant circuit........................26 8 Technical data ............................27 cool35 U31; cool71 U42; cool71 U43 ..................27 9 Accessories ............................28 General accessories ........................28 10 Appendix A ............................29 10.1 Overview of EWM branches ......................29 099-008091-EW501 11.11.2011... -
Page 4: Safety Instructions
Safety instructions Notes on the use of these operating instructions Safety instructions Notes on the use of these operating instructions DANGER Working or operating procedures which must be closely observed to prevent imminent serious and even fatal injuries. • Safety notes include the "DANGER" keyword in the heading with a general warning symbol. •... -
Page 5: Explanation Of Icons
Safety instructions Explanation of icons Explanation of icons Symbol Description Press Do not press Turn Switch Switch off machine Switch on machine ENTER (enter the menu) NAVIGATION (Navigating in the menu) EXIT (Exit the menu) Time display (example: wait 4s/press) Interruption in the menu display (other setting options possible) Tool not required/do not use Tool required/use... -
Page 6: General
Safety instructions General General DANGER Do not carry out any unauthorised repairs or modifications! To avoid injury and equipment damage, the unit must only be repaired or modified by specialist, skilled persons! The warranty becomes null and void in the event of unauthorised interference. •... - Page 7 Safety instructions General CAUTION Damage due to the use of non-genuine parts! The manufacturer's warranty becomes void if non-genuine parts are used! • Only use system components and options (power sources, welding torches, electrode holders, remote controls, spare parts and replacement parts, etc.) from our range of products! •...
- Page 8 Safety instructions General CAUTION EMC Machine Classification In accordance with IEC 60974-10, welding machines are grouped in two electromagnetic compatibility classes (see technical data): Class A machines are not intended for use in residential areas where the power supply comes from the low-voltage public mains network.
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Page 9: Transport And Installation
Safety instructions Transport and installation Transport and installation WARNING Risk of accident due to improper transport of machines that may not be lifted! Do not lift or suspend the machine! The machine can fall down and cause injuries! The handles and brackets are suitable for transport by hand only! •... -
Page 10: Ambient Conditions
Safety instructions Ambient conditions Ambient conditions CAUTION Equipment damage due to dirt accumulation! Unusually high quantities of dust, acid, corrosive gases or substances may damage the equipment. • Avoid high volumes of smoke, vapour, oil vapour and grinding dust! • Avoid ambient air containing salt (sea air)! Non-permissible ambient conditions! Insufficient ventilation results in a reduction in performance and equipment damage. -
Page 11: Intended Use
We can only guarantee smooth and trouble-free operation when used in conjunction with the welding machines, welding torches, coolants and accessory components from our range. 3.1.1 For operation only with the following equipment cool35 U31 cool71 U42 cool71 U43 alpha Q 330... -
Page 12: Documents Which Also Apply
Intended use Documents which also apply Documents which also apply 3.2.1 Warranty NOTE For further information, please see the accompanying supplementary sheets "Machine and Company Data, Maintenance and Testing, Warranty"! 3.2.2 Declaration of Conformity The designated machine conforms to EC Directives and standards in terms of its design and construction: •... -
Page 13: Machine Description - Quick Overview
Machine description – quick overview cool35 U31 Machine description – quick overview cool35 U31 4.1.1 Front view Figure 4-1 Item Symbol Description Tension bracket closure Connection between the cooling unit and the welding machine Coolant tank cap Coolant tank Quick connect coupling, red... -
Page 14: Rear View
Machine description – quick overview cool35 U31 4.1.2 Rear view Figure 4-2 Item Symbol Description Connector plug, 4-pole Cooling unit voltage supply Connector plug, 8-pole Cooling unit control lead Cooling air outlet Coolant drain hose Device for draining the coolant... -
Page 15: Cool71 U42, Cool71 U43
Machine description – quick overview cool71 U42, cool71 U43 cool71 U42, cool71 U43 4.2.1 Front view Figure 4-3 Item Symbol Description Tension bracket closure Connection between the cooling unit and the welding machine Carrying handle Coolant tank cap Coolant tank Cooling air inlet Quick connect coupling, red Coolant return from the welding torch... -
Page 16: Rear View
Machine description – quick overview cool71 U42, cool71 U43 4.2.2 Rear view Figure 4-4 Item Symbol Description Quick connect coupling, blue Coolant supply to the welding machine or wire feed unit Quick connect coupling, red Coolant return from the welding machine or wire feed unit Automatic cut-out of coolant pump key button press to reset a triggered fuse Coolant drain hose... -
Page 17: Design And Function
Design and function Installation Design and function WARNING Risk of injury from electric shock! Contact with live parts, e.g. welding current sockets, is potentially fatal! • Follow safety instructions on the opening pages of the operating instructions. • Commissioning may only be carried out by persons who have the relevant expertise of working with arc welding machines! •... -
Page 18: Cooling Module Assembly/Disassembly
Design and function Cooling module assembly/disassembly Cooling module assembly/disassembly CAUTION Damage due to supply lines not being disconnected! During transport, supply lines which have not been disconnected (mains supply leads, control leads, etc.) may cause hazards such as connected equipment tipping over and injuring persons! •... -
Page 19: Cooling Module Disassembly
Design and function Cooling module assembly/disassembly Figure 5-3 • Turn the wing-tip handle clockwise (B2) to close the fastening. • Engage the locking hook in the recesses in the side walls of the welding machine. Figure 5-4 • Lay the wing-tip handle down flat (C2). 5.3.2 Cooling module disassembly •... -
Page 20: Connecting The Supply Lines
Design and function Connecting the supply lines Connecting the supply lines WARNING Risk of injury from electric shock! Contact with live parts, e.g. welding current sockets, is potentially fatal! • Follow safety instructions on the opening pages of the operating instructions. •... -
Page 21: Coolant
Design and function Coolant Coolant 5.5.1 General CAUTION Coolant mixtures! Mixtures with other liquids or the use of unsuitable coolants result in material damage and renders the manufacturer's warranty void! • Only use the coolant described in this manual (overview of coolants). •... -
Page 22: Adding Coolant
Design and function Cooling unit function specification 5.5.3 Adding coolant NOTE After the initial filling, wait for at least one minute when the machine is switched on so that the tube package is filled with coolant completely and without bubbles. With frequent changes of torch and during the initial filling process, the cooling unit tank should be topped up as necessary. -
Page 23: Maintenance, Care And Disposal
Maintenance, care and disposal General Maintenance, care and disposal DANGER Risk of injury from electric shock! Cleaning machines that are not disconnected from the mains can lead to serious injuries! • Disconnect the machine completely from the mains. • Remove the mains plug! •... -
Page 24: Maintenance Work
Information about giving back used equipment or about collections can be obtained from the respective municipal administration office. • EWM participates in an approved waste disposal and recycling system and is registered in the Used Electrical Equipment Register (EAR) under number WEEE DE 57686922. •... -
Page 25: Rectifying Faults
Rectifying faults Customer checklist Rectifying faults All products are subject to rigorous production checks and final checks. If, despite this, something fails to work at any time, please check the product using the following flowchart. If none of the fault rectification procedures described leads to the correct functioning of the product, please inform your authorised dealer. -
Page 26: Vent Coolant Circuit
Rectifying faults Vent coolant circuit Vent coolant circuit NOTE If there is less coolant in the coolant tank than the minimum required you may need to vent the coolant circuit. In this case the welding machine will automatically shut down the coolant pump and signal an error, see chapter "Rectifying faults". -
Page 27: Technical Data
Technical data cool35 U31; cool71 U42; cool71 U43 Technical data NOTE Technical data limit values The limit values determination from technical data is calculated taking account of the combined system as a whole (cooling unit and welding machine). cool35 U31; cool71 U42; cool71 U43... -
Page 28: Accessories
Accessories General accessories Accessories General accessories Type Designation Item no. TYP 1 Frost protection tester 094-014499-00000 KF 23E-10 Coolant (-10 °C), 9.3 l 094-000530-00000 KF 23E-200 Coolant (-10 °C), 200 litres 094-000530-00001 KF 37E-10 Coolant (-20 °C), 9.3 l 094-006256-00000 KF 37E-200 Coolant (-20 °C), 200 l 094-006256-00001... -
Page 29: Appendix A
Appendix A Overview of EWM branches Appendix A 10.1 Overview of EWM branches 099-008091-EW501 11.11.2011...
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