Table Of Contents - Danfoss VACON NX Commissioning And Maintenance Manual

6 VACON
INDEX
1. SAFETY ............................................................................................................................... 8
1.1 USE OF SYMBOLS ..................................................................................................................... 8
1.2 GENERAL WARNINGS AND NOTES WHEN WORKING WITH THE HX-UNIT ............................. 9
2. EU DIRECTIVE .................................................................................................................. 11
2.1 Manufacturer's declaration of conformity .............................................................................. 11
3. RECEIPT OF DELIVERY ..................................................................................................... 12
3.1 Type designation code ............................................................................................................. 12
3.2 Standard delivery variants ...................................................................................................... 12
3.3 Connections............................................................................................................................. 12
4. INTRODUCTION ................................................................................................................ 13
4.1 ABOUT THIS MANUAL ............................................................................................................. 13
4.2 PROCESS AND INSTRUMENTATION ...................................................................................... 14
4.2.1 Primary circuit components and function .................................................................. 15
4.2.2 Secondary circuit components and function............................................................... 15
Control unit ................................................................................................................. 16
4.2.3
4.2.4 Instruments and their function ................................................................................... 16
4.2.5 Control / supervision parameters ............................................................................... 17
4.2.6 HX-unit electrical box ................................................................................................. 18
4.3 INSTALLATION SPECIFICATIONS ........................................................................................... 18
4.3.1 Liquid quality ............................................................................................................... 18
4.3.2 Required ambient conditions ...................................................................................... 20
4.4 DISPOSAL ................................................................................................................................ 20
5. COMMISSIONING .............................................................................................................. 21
5.1 STEP 1, MECHANICAL PART ................................................................................................... 21
5.1.1 Lifting, transport and storage of the HX-unit ............................................................. 21
5.1.2 General installation instructions ................................................................................ 21
5.1.3 Pipe connections ......................................................................................................... 22
5.1.4 Pipe flushing ............................................................................................................... 22
5.1.5 Pressure test ............................................................................................................... 23
5.1.6 Setting up the primary circuit ..................................................................................... 24
5.1.7 Adding liquid and de-airing ......................................................................................... 25
5.1.8 Adding corrosion inhibitor when using a fresh water system .................................... 27
5.2 STEP 2, ELECTRICAL PART .................................................................................................... 27
5.2.1 Power supply ............................................................................................................... 27
5.2.2 Signal cables ............................................................................................................... 28
5.3 STEP 3, CONTROL UNIT SETUP .............................................................................................. 28
5.3.1 Basic setup .................................................................................................................. 28
5.3.2 Application parameter list .......................................................................................... 29
5.3.3 Parameter description ................................................................................................ 30
5.3.4 General information about alarms and shutoff limits ................................................ 31
5.3.5 FTSA11 flow switch function ....................................................................................... 31
5.3.6 Temperature set points............................................................................................... 33
5.3.7 Temperature alarm settings ....................................................................................... 38
5.3.8 Low pressure alarm .................................................................................................... 39
5.3.9 Leak switch alarm specifications ............................................................................... 39
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