Table of contents
Table of contents
1 About this document ............................... 5
1.1 Target groups ................................. 5
1.2 Other applicable documents ................ 5
1.3 Warnings and symbols ....................... 6
1.4 Technical terms ............................... 6
2 Safety ................................................. 7
2.1 Intended use .................................. 7
2.2 General safety instructions .................. 7
2.2.1 Product safety ................................ 7
2.2.2 Obligations of the operating company . .... . 7
2.2.3 Obligations of personnel ..................... 8
2.3 Specific hazards .............................. 9
2.3.1 Explosion hazard area ....................... 9
2.3.2 Electric shock ................................. 9
2.3.3 Hazardous and spraying (pumped)
liquids ......................................... 9
2.3.4 Moving parts .................................. 9
2.3.5 Hot surfaces .................................. 9
3 Layout and function ................................ 10
3.1 Labels ......................................... 10
3.1.1 Type plate ..................................... 10
3.1.2 Digital nameplate ............................. 10
3.1.3 Pump type code .............................. 11
3.2 Layout ......................................... 12
3.3 Shaft seals .................................... 12
3.3.1 Mechanical seals ............................. 12
3.4 Auxiliary systems .. .. ... .. .. ... .. .. ... .. .. .. .. 13
3.4.1 Sealing systems . .. .. ... .. .. ... .. ... .. .. .. . .. . 13
4 Transport, storage and disposal .................. 14
4.1 Transport ...................................... 14
4.1.1 Unpacking and inspection on delivery . .. .. . 14
4.1.2 Lifting .......................................... 14
4.2 Preservation .................................. 14
4.3 Storage ....................................... 14
4.4 Removing the preservative .................. 15
4.5 Disposal ....................................... 15
5 Setup and connection .............................. 16
5.1 Preparing the setup .......................... 16
5.1.1 Checking the ambient conditions .. .. .. .. .. . 16
5.1.2 Preparing the installation site ............... 16
5.1.3 Removing the preservative .................. 16
5.1.4 Installing the heat insulation (optional) . .. . . 16
5.1.5 Checking the guard sheet alignment .. .. .. . 16
5.2 Planning the pipes ........................... 16
5.2.1 Specifying supports and flange
connections ................................... 16
5.2.2 Specifying nominal diameters .. .. .. .. .. . .. .. 16
5.2.3 Specifying pipe lengths ...................... 17
5.2.4 Optimizing cross-section and direction
changes ....................................... 17
5.2.5 Discharging leaks ............................ 17
5.2.6 Providing safety and control devices
(recommended) .............................. 17
5.3 Installing in the pipe .......................... 17
5.3.1 Keeping the piping clean .................... 17
5.3.2 Installing the pump unit without
feet/base ...................................... 17
5.3.3 Setting up pump unit with feet/base ... .. .. . 17
5.3.4 Installing auxiliary pipes (if available) ... .. .. 18
5.4 Installing the motor ........................... 18
5.5 Electrical connection ......................... 19
5.5.1 Connecting the motor ........................ 19
5.5.2 Checking the direction of rotation . . .. .. .. .. . 19
5.6 Installing guard sheet ........................ 19
6Operation ............................................ 20
6.1 Preparations for the initial start-up . .. .. .. .. . 20
6.1.1 Identifying the pump type .................... 20
6.1.2 Removing the preservative .................. 20
6.1.3 Preparing auxiliary systems (if
available) ..................................... 20
6.1.4 Filling and bleeding .......................... 20
6.1.5 Checking the direction of rotation . . .. .. .. .. . 20
6.2 Start-up ....................................... 21
6.2.1 Switching on .................................. 21
6.2.2 Switching off .................................. 21
6.3 Shutting down ................................ 21
6.4 Start-up following a shutdown period .. .. ... 22
6.5 Operating the stand-by pump ............... 22
7 Maintenance ......................................... 23
7.1 Inspections ................................... 23
7.2 Maintenance .................................. 23
7.2.1 Mechanical seals ............................. 23
7.2.2 Cleaning the pump ........................... 23
7.3 Dismounting .................................. 23
7.3.1 Returning the pump to the manufac-
turer ........................................... 24
7.3.2 Preparations for dismounting ................ 24
7.3.3 Removal of the flanged motor ............... 24
7.4 Installing ...................................... 25
7.4.1 Installation of the pump ...................... 25
7.4.2 Installation of the flanged motor ... .. .. .. .. .. 25
7.5 Ordering spare parts ......................... 26
8 Troubleshooting .................................... 27
9 Appendix ............................................. 30
9.1 Sectional drawings ........................... 30
9.1.1 Auxiliary conn
ections ........................
30
9.1.2 Part numbers a
nd designations .............
30
9.1.3 Sectional drawings ........................... 31
9.2 Technical specifications ...................... 39
2 NI series BA-2021.06 en-US 550 113 – 146-900/E