Pfannenberg PWT 6402 Instrucciones De Servicio página 33

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Table of contents
1 Intended use ................................................................................................................................................... 4
1.1 General .................................................................................................................................................. 4
1.2 Permissible usage conditions ................................................................................................................ 4
1.3 Duty of the operator ............................................................................................................................... 4
2 Unit description .............................................................................................................................................. 4
2.1 Description of use .................................................................................................................................. 4
2.2 Scope of delivery ................................................................................................................................... 5
2.3 Unit setup ............................................................................................................................................... 5
2.4 Functional description ............................................................................................................................ 6
2.4.1 Air flow functional principle .............................................................................................................................. 7
2.4.2 Quick-change frame option ............................................................................................................................. 7
2.5 Type plate .............................................................................................................................................. 8
2.6 Technical data........................................................................................................................................ 9
2.6.1 Refrigeration data ............................................................................................................................................ 9
2.6.2 Electrical data .................................................................................................................................................. 9
2.6.3 Dimensions ...................................................................................................................................................... 9
2.6.4 Other unit data ................................................................................................................................................. 9
3 Assembly and initial commissioning ......................................................................................................... 10
3.1 Transport .............................................................................................................................................. 10
3.2 Storage ................................................................................................................................................ 10
3.3 Unpacking ............................................................................................................................................ 11
3.4 Assembly ............................................................................................................................................. 11
3.4.1 General assembly requirements .................................................................................................................... 12
3.4.2 Assembly - mounting the PWT air/water heat exchanger cut-out .................................................................. 12
3.4.3 Mounting M6 jack rings .................................................................................................................................. 13
3.4.4 Surface seal application and assembly ......................................................................................................... 14
3.4.5 Switch cabinet assembly ............................................................................................................................... 15
3.4.6 Cooling water connection .............................................................................................................................. 16
3.4.7 Water quality requirements ............................................................................................................................ 17
3.4.8 Condensate drain .......................................................................................................................................... 18
3.5 Electrical connection ............................................................................................................................ 19
3.5.1 Electrical circuit diagram ................................................................................................................................ 19
3.5.2 Temperature monitoring / alarm .................................................................................................................... 20
3.5.3 Supply connection - mains ............................................................................................................................ 20
3.5.4 Connecting the air/water heat exchanger electrically .................................................................................... 21
3.5.5 Adapting the upstream fuse /transformer options .......................................................................................... 22
3.5.6 Transformer options ...................................................................................................................................... 22
4 Air/water heat exchanger operation ........................................................................................................... 23
4.1 Fault signal ........................................................................................................................................... 23
5 Service and maintenance ............................................................................................................................ 24
5.1. General cleaning .................................................................................................................................. 24
5.2 Cleaning the air/water heat exchangers - removing unit cover ........................................................... 25
5.4 Maintenance ........................................................................................................................................ 26
5.5 Maintenance checklist template........................................................................................................... 27
5.6 Decommissioning ................................................................................................................................ 28
6 Troubleshooting ........................................................................................................................................... 28
7 Ordering spare parts / accessories ............................................................................................................ 29
8 Terms of warranty ........................................................................................................................................ 29
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