Table Of Contents - Wilo CronoNorm-NL Series Installation And Operating Instructions Manual

English
1 General .................................................................................................................................................... 3
2 Safety ...................................................................................................................................................... 3
2.1 Indication of instructions in the operating instructions ................................................................................... 3
2.2 Personnel qualifications ........................................................................................................................................ 4
2.3 Danger in the event of non-observance of the safety instructions ................................................................ 4
2.4 Safety consciousness on the job .......................................................................................................................... 4
2.5 Safety instructions for the operator ................................................................................................................... 4
2.6 Safety instructions for installation and maintenance work ............................................................................. 5
2.7 Unauthorised modification and manufacture of spare parts ............................................................................ 6
2.8 Improper use .......................................................................................................................................................... 6
3 Transport and interim storage ............................................................................................................. 6
3.1 Shipping .................................................................................................................................................................. 6
3.2 Transport for installation/dismantling purposes ............................................................................................... 7
3.3 Removing/replacing corrosion protection (only NL pumps).............................................................................. 8
4 Intended use ........................................................................................................................................... 9
5 Product information .............................................................................................................................. 9
5.1 Type key .................................................................................................................................................................. 9
5.2 Technical data ......................................................................................................................................................10
5.3 Scope of delivery ................................................................................................................................................. 11
5.4 Accessories ........................................................................................................................................................... 11
6 Description and function ....................................................................................................................11
6.1 Description of the product .................................................................................................................................11
6.2 Design set-up .......................................................................................................................................................11
6.3 Anticipated noise levels for standard pumps ...................................................................................................12
6.4 Permissible forces and torques on the pump flanges ...................................................................................... 13
7 Installation and electrical connection ...............................................................................................15
7.1 Preparation ........................................................................................................................................................... 15
7.2 Setting up the pump alone (variant B, according to Wilo variant key) .......................................................... 15
7.3 Installation on a base of the pump unit ............................................................................................................. 16
7.4 Pipework ............................................................................................................................................................... 18
7.5 Aligning the unit .................................................................................................................................................. 19
7.6 Electrical connection ........................................................................................................................................... 22
7.7 Protective devices ...............................................................................................................................................22
8 Commissioning / decommissioning ...................................................................................................22
8.1 Safety ....................................................................................................................................................................22
8.2 Filling and bleeding ..............................................................................................................................................22
8.3 Checking the direction of rotation .................................................................................................................... 23
8.4 Switching on the pump .......................................................................................................................................23
8.5 Leak check ............................................................................................................................................................24
8.6 Switch-on frequency .......................................................................................................................................... 25
8.7 Switching off the pump and temporary shutdown ..........................................................................................25
8.8 Decommissioning and storage ........................................................................................................................... 25
9 Maintenance/repair .............................................................................................................................26
9.1 Safety ....................................................................................................................................................................26
9.2 Operation monitoring .......................................................................................................................................... 27
9.3 Maintenance work ...............................................................................................................................................27
9.4 Draining and cleaning .......................................................................................................................................... 27
9.5 Dismantling .......................................................................................................................................................... 28
9.6 Installation ............................................................................................................................................................33
9.7 Screw tightening torques ................................................................................................................................... 37
WILO SE 07/2013