Table of contents
1. About this manual ....................................................................................................................................................... 4
1.1 Contents of these instructions .................................................................................................................... 4
1.2 Overview table ............................................................................................................................................ 4
1.3 Used symbols ............................................................................................................................................... 5
1.4 For whom is this manual intended? ............................................................................................................. 5
2. Safety ............................................................................................................................................................................ 6
2.1 Usage according to purpose ........................................................................................................................ 6
2.2 General safety instructions ........................................................................................................................... 6
2.3 Regulations and standards ........................................................................................................................... 7
2.4 CE-Marking .................................................................................................................................................. 7
2.5 Declaration of conformity ............................................................................................................................ 8
3. Technical Data .............................................................................................................................................................. 9
3.1 Dimensions and connections ........................................................................................................................ 9
3.2 Technical Data .................................................................................................................................... 11
3.3 Water side resistance ........................................................................................................................... 12
3.4 Wiring diagram ................................................................................................................................... 13
3.5 Sensor value tables .............................................................................................................................. 14
4. Prior to installation ............................................................................................................................. 15
4.1 Notes for installation location .............................................................................................................. 15
4.2 Combustion air openings ..................................................................................................................... 16
4.3 Space requirement .............................................................................................................................. 17
4.4 Transportation .................................................................................................................................... 18
4.5 Bringing the boiler in tight spacesi ........................................................................................................ 22
4.6 Installing and aligning the boiler ........................................................................................................... 25
4.7 Install cover panels for transport openings ............................................................................................. 26
4.8 Install siphon and condensate piping .................................................................................................... 27
4.9 Exhaust connections and air supply ducts .............................................................................................. 28
4.10 Corrosion protection ............................................................................................................................ 33
4.11 Heating water requirements ................................................................................................................ 33
4.12 Treating and preparing the heating water ............................................................................................. 34
4.13 Diagram water hardness ...................................................................................................................... 37
4.14 Practical information for heating contractors ......................................................................................... 38
4.15 Description of the function of the air pressure monitor ........................................................................... 39
4.16 Application examples .......................................................................................................................... 40
4.17 Legend............................................................................................................................................... 49
5. Installation ......................................................................................................................................... 50
5.1 Connect heating circuit ........................................................................................................................ 50
5.2 Condensate ........................................................................................................................................ 50
5.3 Neutralisation equipment .................................................................................................................... 50
5.4 Sealing and filling of the plant .............................................................................................................. 50
5.5 Cleaning and inspection openings ......................................................................................................... 51
5.6 Gas connection ................................................................................................................................... 51
5.7 Check tightness ...............................................................................................................................
.... 51
5.8 Factory settings ................................................................................................................................... 51
5.9 CO2 -Content ...................................................................................................................................... 51
5.10 Controller Stop Mode (Manual Adjustment of Burner Load) ..................................................................... 52
5.11 Set CO2-content .................................................................................................................................. 53
5.12 Electrical connection (general) .............................................................................................................. 55
6. Commissioning ................................................................................................................................... 57
6.1 Menu-Commissioning ......................................................................................................................... 57
21.01 10-2217037 016/E 045 BGS/E 074 BGS/E 00 reliob gnisnednoc saG2
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