DP Pumps Hydro-Unit Premium, Installation & Operating Manual

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5.4 Connecting the piping ........................................................................................................................ 28
5.4.1
Fitting an expansion joint (optional)....................................................................................... 29
5.4.2 Fitting the pressure reducer (optional) .................................................................................. 29
5.5 Electrical connection .......................................................................................................................... 30
5.5.1
Sizing the power cable .......................................................................................................... 30
5.5.2 Connecting the pressure booster system.............................................................................. 31
5.5.3 Connecting the remote ON/OFF input................................................................................... 31
5.5.4 Connecting the dry running protection device ....................................................................... 31
5.5.5 Connecting the fire alert ........................................................................................................ 31
5.5.6 Connecting the ambient temperature monitoring device (optional)....................................... 31
5.5.7 Connecting the digital inputs (optional) ................................................................................. 31
6 Commissioning/Start-up/Shutdown.............................................................. 32
6.1 Commissioning/Start-up .................................................................................................................... 32
6.1.1
Prerequisites for commissioning/start-up .............................................................................. 32
6.1.2 Priming and venting the pressure booster system ................................................................ 32
6.1.3 Dry running protection ........................................................................................................... 33
6.1.4 Switching on the pressure booster system............................................................................ 33
6.1.5 Commissioning/start-up of pressure booster system ............................................................ 34
6.1.6 Checklist for commissioning/start-up..................................................................................... 35
6.2 Operating limits .................................................................................................................................. 36
6.2.1
Frequency of starts................................................................................................................ 36
6.2.2 Ambient conditions ................................................................................................................ 36
6.2.3 Maximum operating pressure................................................................................................ 36
6.2.4 Fluid handled......................................................................................................................... 36
6.2.5 Minimum flow rate ................................................................................................................. 37
6.3 Shutdown ........................................................................................................................................... 37
6.3.1
Shutdown .............................................................................................................................. 37
6.3.2 Measures to be taken for shutdown ...................................................................................... 38
7 Operation ......................................................................................................... 39
7.1 Control panel ..................................................................................................................................... 39
7.1.1
Screen ................................................................................................................................... 39
7.1.2 Turn/push button ................................................................................................................... 39
7.1.3 Status LED ............................................................................................................................ 39
7.2 Symbols on the screen ...................................................................................................................... 40
7.2.1
Operating status of the system.............................................................................................. 41
7.2.2 Bluetooth connection............................................................................................................. 41
7.2.3 Locking/unlocking the screen ................................................................................................ 42
7.2.4 Operating status of the pump ................................................................................................ 42
7.2.5 Information on the system ..................................................................................................... 42
7.3 Operating the device via the control panel ........................................................................................ 43
7.3.1
Unlocking the screen............................................................................................................. 44
7.3.2 Changing the operating mode ............................................................................................... 44
7.3.3 Resetting messages.............................................................................................................. 44
7.3.4 Setting the setpoint................................................................................................................ 44
7.3.5 Activating the Bluetooth connection ...................................................................................... 45
7.3.6 Displaying the firmware version ............................................................................................ 45
7.4 Operation via the app ........................................................................................................................ 45
8 Servicing/Maintenance ................................................................................... 46
8.1 General information/safety regulations .............................................................................................. 46
8.1.1
Inspection contract ................................................................................................................ 46
8.2 Servicing/Inspection........................................................................................................................... 47
8.2.1
Supervision of operation........................................................................................................ 47
8.2.2 Checklist for inspection work................................................................................................. 47
8.2.3 Maintenance schedule .......................................................................................................... 48
8.2.4 Setting the pre-charge pressure............................................................................................ 48