3
EN 5675-L
9 Mounting and installation ��������������������������������������������������������������������������������������������������������������������� 14
9.1 Equipotential bonding ............................................................................................................................... 14
9.2 Discharge Line ......................................................................................................................................... 14
9.3 Installation types ...................................................................................................................................... 15
9.3.1 Submerged in concrete sump .................................................................................................................. 15
9.3.2 Dry-installed ............................................................................................................................................. 17
9.3.3 Transportable ........................................................................................................................................... 18
9.3.4 Venting of the volute ................................................................................................................................. 18
10 Electrical connection ���������������������������������������������������������������������������������������������������������������������������� 19
10.1 Seal monitoring ........................................................................................................................................ 20
10.2 Temperature monitoring ........................................................................................................................... 20
10.2.1 Temperature sensor bimetal .................................................................................................................... 21
10.2.2 Temperature sensor PTC ......................................................................................................................... 21
10.3 Operation with frequency inverters .......................................................................................................... 22
10.4 Wiring diagrams ....................................................................................................................................... 23
11 Commissioning �������������������������������������������������������������������������������������������������������������������������������������� 24
11.1 Types of operation and frequency of starting ........................................................................................... 24
11.2 Checking direction of rotation .................................................................................................................. 24
11.3 Changing direction of rotation .................................................................................................................. 24
12 Maintenance and service ���������������������������������������������������������������������������������������������������������������������� 25
12.1 General maintenance instructions ........................................................................................................... 25
12.2 Lubricant changing (PE1 & PE2) .............................................................................................................. 26
12.2.1 Instructions on how to drain and fill the seal chamber ............................................................................. 26
12.3 Lubricant changing (PE3 - version without cooling jacket) ...................................................................... 27
12.3.1 Instructions on how to drain and fill the inspection and seal chambers ................................................... 27
12.4 Coolant changing (PE3 - version with cooling jacket) .............................................................................. 28
12.4.1 Instructions on how to drain and fill the cooling system ........................................................................... 28
12.5 Oil and glycol quantities (litres) ................................................................................................................ 29
12.6 Bottom plate adjustment (CB & CP) .........................................................................................................30
12.6.1 Instructions on how to adjust the bottom plate .........................................................................................30
12.7 Bearings and mechanical seals ............................................................................................................... 31
12.8 Changing the power cable ....................................................................................................................... 31
12.9 Clearing pump blockage .......................................................................................................................... 31
12.9.1 Instructions for operator ........................................................................................................................... 31
12.9.2 Instructions for service personnel ............................................................................................................ 31
12.10 Cleaning ...................................................................................................................................................32
13 Troubleshooting Guide ������������������������������������������������������������������������������������������������������������������������� 32