en – Original Instructions
e-SHE, e-SHS
– Additional Installation, Operation and Maintenance Instructions 3
5 Use and operation .................................................................................................................................................. 26
5.1 Precautions ..................................................................................................................................................... 26
5.2 Filling - Priming .............................................................................................................................................. 27
5.2.1 Positive suction head installation .............................................................................................................. 27
5.2.2 Suction lift installation ................................................................................................................................ 27
5.3 Rotation sense check (three-phase motors) .................................................................................................. 28
5.3.1 Wrong rotation direction ........................................................................................................................... 28
5.4 Start-up ........................................................................................................................................................... 28
5.5 Stopping ......................................................................................................................................................... 29
6 Maintenance ............................................................................................................................................................ 30
6.1 Precautions ..................................................................................................................................................... 30
6.2 Tightening torques ......................................................................................................................................... 31
6.3 Maintenance schedule ................................................................................................................................... 32
6.4 Long periods of inactivity ............................................................................................................................... 32
6.5 Spare parts ordering ...................................................................................................................................... 32
7 Troubleshooting...................................................................................................................................................... 33
7.1 Precautions ..................................................................................................................................................... 33
7.2 The unit does not start ................................................................................................................................... 33
7.3 The differential protection device (RCD) is activated ................................................................................... 33
7.4 The thermal overload protection triggers or the fuses trip .......................................................................... 33
7.5 The thermal overload protection triggers ..................................................................................................... 34
7.6 The motor becomes excessively hot ............................................................................................................. 34
7.7 The unit runs but there is little or no flow rate .............................................................................................. 34
7.8 When switched off, the unit turns in the opposite direction ........................................................................ 34
7.9 The unit produces excessive noise and/or vibrations .................................................................................. 35
7.10 The unit starts up too frequently (automatic start/stop) ............................................................................... 35
7.11 The unit never stops (automatic start/stop) .................................................................................................. 35
7.12 The unit is leaking .......................................................................................................................................... 36
7.13 The frequency converter is in error mode or turned off ............................................................................... 36
8 Technical Information ............................................................................................................................................. 37
8.1 Operating environment ................................................................................................................................. 37
8.1.1 Downgrading the motor ............................................................................................................................ 38
8.2 Liquid temperature and maximum operating pressure ............................................................................... 39
8.3 Maximum head ............................................................................................................................................... 40
8.4 Maximum number of starts per hour ............................................................................................................. 42
8.5 Protection class............................................................................................................................................... 43
8.6 Electrical specifications .................................................................................................................................. 43
8.7 Sound pressure .............................................................................................................................................. 43
8.8 Materials in contact with the liquid ............................................................................................................... 43
8.9 Mechanical seal .............................................................................................................................................. 43
9 Disposal ................................................................................................................................................................... 44
9.1 Precautions ..................................................................................................................................................... 44
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