Wilo CronoNorm NL Notice De Montage Et De Mise En Service page 54

English
1 General ..................................................................................................................................................55
2 Safety ....................................................................................................................................................55
2.1 Indication of instructions in the operating instructions ................................................................................. 55
2.2 Personnel qualifications ...................................................................................................................................... 56
2.3 Danger in the event of non-observance of the safety instructions ..............................................................56
2.4 Safety consciousness on the job ........................................................................................................................ 56
2.5 Safety instructions for the operator ................................................................................................................. 56
2.6 Safety instructions for installation and maintenance work ........................................................................... 57
2.7 Unauthorised modification and manufacture of spare parts .......................................................................... 58
2.8 Improper use ........................................................................................................................................................ 58
3 Transport and interim storage ...........................................................................................................58
3.1 Shipping ................................................................................................................................................................ 58
3.2 Transport for installation/dismantling purposes ............................................................................................. 59
3.3 Removing/replacing corrosion protection (only NL pumps)............................................................................60
4 Intended use .........................................................................................................................................61
5 Product information ............................................................................................................................61
5.1 Type key ................................................................................................................................................................ 62
5.2 Technical data ......................................................................................................................................................62
5.3 Scope of delivery ................................................................................................................................................. 63
5.4 Accessories ........................................................................................................................................................... 63
6 Description and function ....................................................................................................................63
6.1 Description of the product .................................................................................................................................63
6.2 Design set-up .......................................................................................................................................................63
6.3 Anticipated noise levels for standard pumps ...................................................................................................64
6.4 Permissible forces and torques on the pump flanges ...................................................................................... 65
7 Installation and electrical connection ...............................................................................................67
7.1 Preparation ........................................................................................................................................................... 67
7.2 Setting up the pump alone (variant B, according to Wilo variant key) .......................................................... 67
7.3 Installation on a base of the pump unit ............................................................................................................. 68
7.4 Pipework ............................................................................................................................................................... 70
7.5 Aligning the unit .................................................................................................................................................. 71
7.6 Electrical connection ........................................................................................................................................... 73
7.7 Protective devices ...............................................................................................................................................74
8 Commissioning / decommissioning ...................................................................................................74
8.1 Safety ....................................................................................................................................................................74
8.2 Filling and bleeding ..............................................................................................................................................74
8.3 Checking the direction of rotation .................................................................................................................... 75
8.4 Switching on the pump .......................................................................................................................................75
8.5 Leak check ............................................................................................................................................................76
8.6 Switch-on frequency .......................................................................................................................................... 77
8.7 Switching off the pump and temporary shutdown ..........................................................................................77
8.8 Decommissioning and storage ........................................................................................................................... 77
9 Maintenance/repair .............................................................................................................................78
9.1 Safety ....................................................................................................................................................................78
9.2 Operation monitoring .......................................................................................................................................... 79
9.3 Maintenance work ...............................................................................................................................................79
9.4 Draining and cleaning .......................................................................................................................................... 79
9.5 Dismantling .......................................................................................................................................................... 80
9.6 Installation ............................................................................................................................................................85
9.7 Screw tightening torques ................................................................................................................................... 89
53 WILO SE 07/2013