2
Table of Contents
1. Risks and Safety Precautions .......................................................................................................................................................................... 3
1.1 General safety instructions ................................................................................................................................................................... 3
1.2 Exclusion of liability ................................................................................................................................................................................ 4
2. Contents of the packaging ............................................................................................................................................................................. 5
3 Use in compliance with regulations .............................................................................................................................................................. 5
4. System Description .......................................................................................................................................................................................... 5
4.1 Components ............................................................................................................................................................................................ 5
4.2 Function .................................................................................................................................................................................................... 6
4.3 Setup ......................................................................................................................................................................................................... 7
4.4 Components of the control unit (CU) .................................................................................................................................................. 8
4.5 Operation.................................................................................................................................................................................................. 8
4.6 Error messages ........................................................................................................................................................................................ 9
4.7 Overview of the system properties ..................................................................................................................................................... 9
4.8 Display unit (DU) ................................................................................................................................................................................... 10
5. Assembly and Installation ............................................................................................................................................................................ 11
5.1 Add-on housing..................................................................................................................................................................................... 11
5.1.1 Installation dimensions and descriptions .............................................................................................................................. 12
5.1.2 Installation ................................................................................................................................................................................... 13
5.2. Control unit CU ..................................................................................................................................................................................... 13
5.2.1 Installation dimensions and descriptions .............................................................................................................................. 13
5.2.2 Power connection ...................................................................................................................................................................... 14
5.3. Measuring unit MU .............................................................................................................................................................................. 16
5.4 Display unit DU (optional) ................................................................................................................................................................... 17
5.4.1 Installation dimensions and descriptions .............................................................................................................................. 17
5.4.2 Power connection ...................................................................................................................................................................... 18
5.5 System connection ............................................................................................................................................................................... 18
6. Configuration via Menu ................................................................................................................................................................................ 19
7. Special features of system setup ................................................................................................................................................................. 22
8. Commisioning ................................................................................................................................................................................................. 22
8.1 System setup .......................................................................................................................................................................................... 22
8.2 Factory settings ..................................................................................................................................................................................... 22
8.3 Commisioning when starting up the boiler ..................................................................................................................................... 23
8.4 Commisioning during boiler operation ............................................................................................................................................ 23
9. Technical Data ................................................................................................................................................................................................. 23
9.1 Device data ............................................................................................................................................................................................. 23
9.2 Mains transformer ................................................................................................................................................................................ 25
9.3 Maximum ratings of potential free contacts ................................................................................................................................... 25
9.4 Data plate ............................................................................................................................................................................................... 26
10. System Maintenance ................................................................................................................................................................................... 26
10.1 Depressurising add-on housing....................................................................................................................................................... 26
10.2 Dismantling and fitting probes ........................................................................................................................................................ 27
11. Fault analysis and rectification .................................................................................................................................................................. 27
12. Warranty ........................................................................................................................................................................................................ 29
13. Declaration of Conformity .......................................................................................................................................................................... 30
14 Attachment .................................................................................................................................................................................................... 32
