en-US
Installation and operating instructions Wilo-Rexa UNI 3
Table of contents
1 General....................................................................................................................................................................................... 5
1.1 About this manual..............................................................................................................................................................................................5
1.2 Copyright ............................................................................................................................................................................................................5
1.3 Subject to changes ............................................................................................................................................................................................5
1.4 Warranty..............................................................................................................................................................................................................5
2 Safety......................................................................................................................................................................................... 5
2.1 Identification of safety instructions................................................................................................................................................................5
2.2 Personnel qualifications....................................................................................................................................................................................6
2.3 Electrical work ....................................................................................................................................................................................................6
2.4 Monitoring devices ............................................................................................................................................................................................7
2.5 Use in fluids which are dangerous to health..................................................................................................................................................7
2.6 Transport.............................................................................................................................................................................................................7
2.7 Installation/dismantling work ..........................................................................................................................................................................7
2.8 During operation ................................................................................................................................................................................................7
2.9 Maintenance work .............................................................................................................................................................................................8
2.10 Operating fluids..................................................................................................................................................................................................8
2.11 Operator’s obligations.......................................................................................................................................................................................8
3 Application/Use......................................................................................................................................................................... 8
3.1 Intended use.......................................................................................................................................................................................................8
3.2 Improper use.......................................................................................................................................................................................................8
4 Product description.................................................................................................................................................................. 9
4.1 Construction.......................................................................................................................................................................................................9
4.2 Monitoring devices ......................................................................................................................................................................................... 10
4.3 Operating modes............................................................................................................................................................................................. 10
4.4 Operation with frequency converter............................................................................................................................................................ 10
4.5 Operation in an explosive atmosphere ........................................................................................................................................................ 10
4.6 Technical data .................................................................................................................................................................................................10
4.7 Type key........................................................................................................................................................................................................... 10
4.8 Scope of delivery............................................................................................................................................................................................. 11
4.9 Accessories ...................................................................................................................................................................................................... 11
5 Transport and storage............................................................................................................................................................ 11
5.1 Delivery............................................................................................................................................................................................................. 11
5.2 Transport..........................................................................................................................................................................................................11
5.3 Storage ............................................................................................................................................................................................................. 12
6 Installation and electrical connection .................................................................................................................................. 12
6.1 Personnel qualifications.................................................................................................................................................................................12
6.2 Installation methods....................................................................................................................................................................................... 12
6.3 Operator’s obligations.................................................................................................................................................................................... 12
6.4 Installation .......................................................................................................................................................................................................13
6.5 Electrical connection...................................................................................................................................................................................... 17
7 Commissioning........................................................................................................................................................................ 19
7.1 Personnel qualifications.................................................................................................................................................................................19