Contents
5 of 82
Amarex
5.4.1 Information for planning the control system ..................................................................................31
5.4.1.1 Setting the overload protection device .......................................................................................32
5.4.1.2 Level control ..................................................................................................................................32
5.4.1.3 Operation on a frequency inverter, only standard pump sets (version US):..............................32
5.4.1.4 Sensors ...........................................................................................................................................33
5.4.1.5 Motor temperature .......................................................................................................................33
5.4.1.6 Leakage inside the motor .............................................................................................................34
5.4.2 Electrical connection..........................................................................................................................34
6 Commissioning/Start-up/Shutdown................................................................................................... 37
6.1 Commissioning/Start-up.................................................................................................................................37
6.1.1 Prerequisites for commissioning/start-up .........................................................................................37
6.1.2 Start-up...............................................................................................................................................37
6.2 Operating limits..............................................................................................................................................38
6.2.1 Frequency of starts.............................................................................................................................38
6.2.2 Operation on the power supply mains.............................................................................................38
6.2.3 Operation on a frequency inverter...................................................................................................39
6.2.4 Fluid handled .....................................................................................................................................39
6.2.4.1 Fluid temperature..........................................................................................................................39
6.2.4.2 Minimum level of fluid handled...................................................................................................39
6.2.4.3 Density of the fluid handled.........................................................................................................40
6.3 Shutdown/storage/preservation ....................................................................................................................40
6.3.1 Measures to be taken for shutdown ................................................................................................40
6.4 Returning to service .......................................................................................................................................41
7 Servicing/Maintenance........................................................................................................................ 42
7.1 Safety regulations...........................................................................................................................................42
7.2 Maintenance/inspection.................................................................................................................................44
7.2.1 Inspection work..................................................................................................................................44
7.2.1.1 Checking the lifting chain/rope....................................................................................................44
7.2.1.2 Checking the power cables...........................................................................................................44
7.2.1.3 Measuring the insulation resistance.............................................................................................44
7.2.1.4 Checking the sensors.....................................................................................................................45
7.2.2 Lubrication and lubricant change.....................................................................................................45
7.2.2.1 Lubricating the mechanical seal ...................................................................................................45
7.2.2.1.1 Intervals..........................................................................................................................................45
7.2.2.1.2 Lubricant quality............................................................................................................................46
7.2.2.1.3 Lubricant quantity.........................................................................................................................46
7.2.2.1.4 Changing the lubricant .................................................................................................................47
7.2.2.2 Lubricating the rolling element bearings ....................................................................................49
7.3 Drainage/cleaning ..........................................................................................................................................49
7.4 Dismantling the pump set..............................................................................................................................49
7.4.1 General information/Safety regulations...........................................................................................49
7.4.2 Preparing the pump set.....................................................................................................................50
7.4.3 Dismantling the pump section ..........................................................................................................50
7.4.4 Removing the mechanical seal and motor section ..........................................................................51
7.5 Reassembling the pump set...........................................................................................................................51
7.5.1 General information/Safety regulations...........................................................................................51
7.5.2 Reassembling the pump section .......................................................................................................52
7.5.2.1 Installing the mechanical seal.......................................................................................................52
7.5.2.2 Fitting the impeller........................................................................................................................53
7.5.3 Reassambling the motor section.......................................................................................................54
7.5.4 Leak testing........................................................................................................................................54
7.5.5 Checking the connection of motor/power supply ..........................................................................55
7.6 Tightening torques.........................................................................................................................................55
7.7 Spare parts ......................................................................................................................................................55
7.7.1 Ordering spare parts..........................................................................................................................55
7.7.2 Recommended spare parts stock for 2 years' operation to DIN24296 ..........................................57
7.7.3 Spare parts sets ..................................................................................................................................57
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