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Installation and operating instructions • Wilo-Control EC-L • Ed.04/2022-09 3
Table of contents
1 General information...................................................................4
1.1 About these instructions ..................................................... 4
1.2 Copyright ............................................................................... 4
1.3 Subject to change................................................................. 4
1.4 Exclusion from warranty and liability.................................4
2 Safety...........................................................................................4
2.1 Identification of safety instructions................................... 4
2.2 Personnel qualifications....................................................... 5
2.3 Electrical work .......................................................................6
2.4 Monitoring devices ............................................................... 6
2.5 Installing/dismantling...........................................................6
2.6 During operation ................................................................... 6
2.7 Maintenance tasks................................................................ 6
2.8 Operator responsibilities...................................................... 7
3 Application/use...........................................................................7
3.1 Intended use.......................................................................... 7
3.2 Improper use.......................................................................... 7
4 Product description....................................................................7
4.1 Structure ................................................................................ 7
4.2 How it works.......................................................................... 7
4.3 Operating modes................................................................... 7
4.4 Technical data .......................................................................8
4.5 Inputs and outputs ............................................................... 8
4.6 Type key................................................................................. 9
4.7 Operation on electronic start-up controllers ................... 9
4.8 Installation in potentially explosive atmospheres............ 9
4.9 Scope of delivery................................................................... 9
4.10 Accessories ............................................................................ 9
5 Transportation and storage.......................................................9
5.1 Delivery................................................................................... 9
5.2 Transport..............................................................................10
5.3 Storage .................................................................................10
6 Installation ................................................................................10
6.1 Personnel qualifications.....................................................10
6.2 Installation types.................................................................10
6.3 Operator responsibilities....................................................10
6.4 Installation ...........................................................................10
6.5 Electrical connection..........................................................13
7 Operation ..................................................................................25
7.1 How it works........................................................................25
7.2 Operating modes.................................................................27
7.3 Menu control........................................................................29
7.4 Menu type: Main menu or Easy Actions menu................29
7.5 Call up the menu .................................................................29
7.6 Quick access to “Easy Actions”.........................................29
7.7 Factory settings ..................................................................30
8 Commissioning .........................................................................30
8.1 Operator responsibilities....................................................30
8.2 Commissioning in explosive atmospheres ......................30
8.3 Connection of signal transmitters and pumps within po-
tentially explosive atmospheres.......................................31
8.4 Activating the device .........................................................31
8.5 Start initial configuration....................................................32
8.6 Start automatic mode..........................................................45
8.7 During operation ..................................................................46
9 Shut-down.................................................................................47
9.1 Personnel qualifications......................................................47
9.2 Operator responsibilities.....................................................47
9.3 Shut-down............................................................................48
9.4 Removal.................................................................................48
10 Maintenance and repair............................................................48
10.1 Maintenance intervals .........................................................49
10.2 Maintenance tasks ...............................................................49
10.3 Maintenance interval display..............................................49
11 Faults, causes and remedies ....................................................50
11.1 Operator responsibilities.....................................................50
11.2 Fault indication.....................................................................50
11.3 Fault acknowledgement .....................................................50
11.4 Fault memory........................................................................51
11.5 Error codes ............................................................................51
11.6 Further steps for troubleshooting .....................................52
12 Disposal......................................................................................52
12.1 Rechargeable battery ..........................................................52
12.2 Information on the collection of used electrical and elec-
tronic products .....................................................................53
13 Appendix....................................................................................53
13.1 Potentially explosive atmospheres: Connection of signal
transmitters and pumps......................................................53
13.2 System impedances.............................................................55
13.3 Overview of the symbols ....................................................55
13.4 Terminal diagram overview.................................................56
13.5 ModBus: Data types .............................................................57
13.6 ModBus: Parameter overview.............................................57
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