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personnel with calibrated equipment and appropriate tools.
Contents
1 Introduction ......................................................................................................................................................5
2 Rules & Regulations (Symbols) .......................................................................................................................6
3 Technical specications ...................................................................................................................................8
4 Dimensions ...................................................................................................................................................10
5 Delivery package ...........................................................................................................................................11
6 Boiler description ...........................................................................................................................................11
7 Boiler photo components list .........................................................................................................................12
8 Mounting boiler frame ....................................................................................................................................13
8.1 Wall frame .........................................................................................................................................14
9 Connecting boiler ...........................................................................................................................................15
9.1 Central heating system .....................................................................................................................15
9.2 Expansion vessel ..............................................................................................................................16
9.3 Water quality .....................................................................................................................................16
9.4 Heating systems with plastic pipes ...................................................................................................18
9.5 Gas connection in general ................................................................................................................18
9.5.1 Natural gas connection (NG) .............................................................................................................18
9.5.2 Propane gas connection (LPG) .........................................................................................................18
9.5.3 House pressure regulator ..................................................................................................................19
9.5.4 Dimensioning of the low pressure gas line ........................................................................................19
9.5.5 De-aerating the LPG tank .................................................................................................................19
9.6 Hot water supply ...............................................................................................................................20
9.7 Condensation drain pipe ...................................................................................................................20
9.8 Flue gas exhaust system ..................................................................................................................24
9.8.1 Flue terminal locations ......................................................................................................................25
9.8.2 Dimensioning of the ue gas and air intake duct ............................................................................28
9.9 Fitting the boiler onto the boiler frame ..............................................................................................30
10 Electrical connection ......................................................................................................................................32
10.1 External safety contact ......................................................................................................................33
10.2 DHW sensor connection ...................................................................................................................33
10.3 OpenTherm BUS & ON / OFF connection ........................................................................................33
10.4 ATAG Zone connection .....................................................................................................................33
10.5 Solar inlet sensor connection ............................................................................................................33
10.6 ATAG Outside sensor ........................................................................................................................33
10.7 230V Out (230V live output) ..............................................................................................................33
10.8 230V In (230V live input) ...................................................................................................................33
10.9 230V Control Block (230V live output) ..............................................................................................34
10.10 230V Control Block (SwL Switched live) ...........................................................................................34
10.11 External pump (230V live output) ......................................................................................................34
10.12 Electrical diagram ..............................................................................................................................35
11 Filling system .................................................................................................................................................36
11.1 Hot water supply ...............................................................................................................................37
12 Boiler controls ................................................................................................................................................38
12.1 Change the Domestic Hot Water setpoint temperature.....................................................................39
12.2 Change the Central Heating setpoint temperature ............................................................................40
12.3 Change the Domestic Hot Water Comfort Mode Setting...................................................................41
12.3.1 Always Active ....................................................................................................................................42
12.3.2 Time Based .......................................................................................................................................43
12.3.3 Disabled ............................................................................................................................................45
12.4 Change the language on the screen .................................................................................................46
12.5 Change the time and date .................................................................................................................47
12.6 Change Units of Measurement .........................................................................................................48
12.7 Boiler information ..............................................................................................................................49
12.8 Pump function ...................................................................................................................................51
13 Commissioning the boiler ..............................................................................................................................52
13.1 Checking the CO
2
..............................................................................................................................54
13.2 CO and combustion checks .............................................................................................................57
14 Parameter chapter .........................................................................................................................................59
14.1 Change the settings ..........................................................................................................................59
14.2 Parameter listing ...............................................................................................................................60
14.3 Weather compensation .....................................................................................................................62
14.3.1 Setting the weather compensation ....................................................................................................63
15 Routine servicing ...........................................................................................................................................65
15.1 Interim Service ..................................................................................................................................65
15.2 Full Service .......................................................................................................................................66
15.3 Flow restrictor ....................................................................................................................................70
15.4 Component replacement ...................................................................................................................70
15.5 User's instructions .............................................................................................................................70
15.6 Warranty ............................................................................................................................................70
16 Error codes and fault nding ..........................................................................................................................71
16.1 Reset a Fault code ............................................................................................................................72
16.2 View Error code History ....................................................................................................................73
Annex A System water additives .....................................................................................................................74
Annex B Declaration of conformity ..................................................................................................................75
Annex C Short parts list ...................................................................................................................................76
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