EWM cool35 U31 - 1 Contents; Table of Contents

Contents
Notes on the use of these operating instructions
099-008091-EW501
11.11.2011
3
1 Contents
1
Contents..................................................................................................................................................3
2 Safety instructions.................................................................................................................................4
2.1 Notes on the use of these operating instructions ..........................................................................4
2.2 Explanation of icons.......................................................................................................................5
2.3 General ..........................................................................................................................................6
2.4 Transport and installation ..............................................................................................................9
2.5 Ambient conditions.......................................................................................................................10
2.5.1 In operation...................................................................................................................10
2.5.2 Transport and storage..................................................................................................10
3 Intended use.........................................................................................................................................11
3.1 Applications..................................................................................................................................11
3.1.1 For operation only with the following equipment..........................................................11
3.2 Documents which also apply .......................................................................................................12
3.2.1 Warranty.......................................................................................................................12
3.2.2 Declaration of Conformity.............................................................................................12
3.2.3 Welding in environments with increased electrical hazards.........................................12
3.2.4 Service documents (spare parts and circuit diagrams)................................................12
4 Machine description – quick overview ..............................................................................................13
4.1 cool35 U31...................................................................................................................................13
4.1.1 Front view.....................................................................................................................13
4.1.2 Rear view......................................................................................................................14
4.2 cool71 U42, cool71 U43 ..............................................................................................................15
4.2.1 Front view.....................................................................................................................15
4.2.2 Rear view......................................................................................................................16
5 Design and function.............................................................................................................................17
5.1 Installation....................................................................................................................................17
5.2 Machine cooling...........................................................................................................................17
5.3 Cooling module assembly/disassembly.......................................................................................18
5.3.1 Cooling module assembly ............................................................................................18
5.3.2 Cooling module disassembly........................................................................................19
5.4 Connecting the supply lines.........................................................................................................20
5.5 Coolant.........................................................................................................................................21
5.5.1 General.........................................................................................................................21
5.5.2 List of coolants..............................................................................................................21
5.5.3 Adding coolant..............................................................................................................22
5.6 Cooling unit function specification ...............................................................................................22
6 Maintenance, care and disposal.........................................................................................................23
6.1 General ........................................................................................................................................23
6.2 Maintenance work, intervals ........................................................................................................23
6.2.1 Daily maintenance tasks ..............................................................................................23
6.2.2 Monthly maintenance tasks..........................................................................................23
6.2.3 Annual test (inspection and testing during operation)..................................................23
6.3 Maintenance work........................................................................................................................24
6.4 Disposing of equipment ...............................................................................................................24
6.4.1 Manufacturer's declaration to the end user..................................................................24
6.5 Meeting the requirements of RoHS .............................................................................................24
7 Rectifying faults ...................................................................................................................................25
7.1 Customer checklist.......................................................................................................................25
7.2 Vent coolant circuit.......................................................................................................................26
8 Technical data ......................................................................................................................................27
8.1 cool35 U31; cool71 U42; cool71 U43..........................................................................................27
9 Accessories..........................................................................................................................................28
9.1 General accessories ....................................................................................................................28
10 Appendix A ...........................................................................................................................................29
10.1 Overview of EWM branches ........................................................................................................29