Atag IS 12

Installation & Servicing instructions ATAG iS-Range
3
Work on the installation should only be carried out by qualied personnel with calibrated equipment
and appropriate tools.
Contents
1 Introduction ....................................................................................................................................4
2 Rules & Regulations (Symbols) .....................................................................................................5
3 Technical specications ..................................................................................................................7
4 Dimensions ...................................................................................................................................8
5 Delivery package ............................................................................................................................9
6 Boiler description ............................................................................................................................9
7 Boiler photo components list ........................................................................................................10
8 Mounting boiler frame .................................................................................................................. 11
8.1 Wall frame ......................................................................................................................... 12
9 Connecting boiler .........................................................................................................................13
9.1 Central heating system .....................................................................................................13
9.2 Expansion vessel ..............................................................................................................14
9.3 Water quality .....................................................................................................................14
9.4 Heating systems with plastic pipes ...................................................................................16
9.5 Gas connection in general ................................................................................................16
9.5.1 Natural gas connection (NG) ............................................................................................16
9.5.2 Propane gas connection (LPG) .........................................................................................16
9.6 External DHW cylinder ...................................................................................................... 18
9.7 Condensation drain pipe ...................................................................................................21
9.8 Flue gas exhaust system ..................................................................................................25
9.8.1 Flue terminal locations ......................................................................................................26
9.8.2 Dimensioning of the ue gas and air intake duct ............................................................29
9.9 Fitting the boiler onto the boiler frame .............................................................................31
10 Electrical connection ....................................................................................................................33
10.1 One controller & connections ............................................................................................ 34
10.2 Weather compensation & connections .............................................................................34
10.3 Electrical diagram .............................................................................................................35
11 Filling system ...............................................................................................................................36
12 Boiler controls ..............................................................................................................................37
12.1 Controls and explanation of the functions ......................................................................... 38
13 Commissioning the boiler ............................................................................................................. 39
13.1 Settings .............................................................................................................................41
13.2 Parameter chapter ............................................................................................................41
14 Isolating the boiler ........................................................................................................................42
15 Commissioning .............................................................................................................................43
15.1 Checking the CO
2
.............................................................................................................44
15.2 Checking ue integrity .......................................................................................................47
15.3 CO and combustion checks .............................................................................................48
16 Routine servicing ..........................................................................................................................50
16.1 Component replacement ...................................................................................................53
16.2 User's instructions .............................................................................................................54
16.3 Warranty ............................................................................................................................54
17 Error codes and fault nding .......................................................................................................55
Annex A System water additives .....................................................................................................56
Annex B Declaration of conformity ..................................................................................................57
Annex C Short parts list ...................................................................................................................58