Danfoss VACON NX Commissioning And Maintenance Manual page 7

5.4 STEP 4, ADJUSTING THE FLOW .............................................................................................. 40
5.4.1 Starting the pump ....................................................................................................... 40
5.4.2 Adjusting the system flow and setting the switch point of the FTSA11 ...................... 41
5.4.3 Checklist before starting main NX drives ................................................................... 44
6. UNIT MAINTENANCE ........................................................................................................ 46
6.1 GENERAL MAINTENANCE ...................................................................................................... 46
6.1.1 Renewing liquid in the primary circuit ........................................................................ 46
6.1.2 Maintenance schedule ................................................................................................ 46
6.2 MAINTENANCE BY COMPONENT ........................................................................................... 47
6.2.1 Pump ........................................................................................................................... 47
6.2.2 Heat exchanger ........................................................................................................... 48
6.2.3 Pressure vessel .......................................................................................................... 50
7. TROUBLESHOOTING ........................................................................................................ 51
7.1 Alarms and shutoffs ................................................................................................................ 51
7.1.1 Flow fault .................................................................................................................... 51
7.1.2 Temperature alarms and shutoffs .............................................................................. 52
7.1.3 Low pressure alarm .................................................................................................... 54
7.1.4 Leak alarms ................................................................................................................ 55
8. TECHNICAL SPECIFICATION ............................................................................................ 56
APPENDIX 1................................................................................................................................. 58
APPENDIX 2................................................................................................................................. 59
APPENDIX 3................................................................................................................................. 60
APPENDIX 4................................................................................................................................. 61
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VACON 7