
5.6.4
Outlet arrangements.........................................................................................................................................27
5.6.5
Flue discharge pipe and air supply pipe...........................................................................................................27
5.7
Outside wall outlet for twin pipe terminal - horizontal ................................................................................................28
5.8
Outside wall and roof outlet concentric terminal horizontal .......................................................................................30
5.9
Roof outlet combination and twin pipe terminal - vertical. .........................................................................................31
5.10
Roof outlet prefabricated chimney.............................................................................................................................34
5.11
Roof outlet and air supply from the outside wall........................................................................................................35
5.12
Air supply from the outside wall and a roof outlet with common discharge system...................................................36
5.13
Roof outlet CLV system ............................................................................................................................................37
6.
Commissioning
38
6.1
Fill and de-aerate the appliance and the system.......................................................................................................38
6.1.1
CH system........................................................................................................................................................38
6.1.2
Hot water supply...............................................................................................................................................38
6.1.3
Gas supply .......................................................................................................................................................38
6.2
Commissioning of the appliance ...............................................................................................................................39
6.3
System Shutdown .....................................................................................................................................................40
6.3.1
Frost protection ................................................................................................................................................40
7.
Setting and Adjustment
41
7.1
Directly via operating panel.......................................................................................................................................41
7.2
Settings through the service code.............................................................................................................................41
7.3
Parameters................................................................................................................................................................42
7.4
Setting maximum CH power......................................................................................................................................43
7.5
Setting pump position................................................................................................................................................43
7.6
Weather-dependent control.......................................................................................................................................44
7.7
Conversion to other gas type ....................................................................................................................................44
7.8
Gas-air control...........................................................................................................................................................44
7.9
Setting gas-air control ...............................................................................................................................................45
8.
Faults
47
8.1
Burner does not ignite ...............................................................................................................................................48
8.2
Burner ignites with much noise .................................................................................................................................48
8.3
Burner resonates.......................................................................................................................................................49
8.4
No heating (CH) ........................................................................................................................................................49
8.5
Reduced output.........................................................................................................................................................50
8.6
CH does not reach the correct temperature..............................................................................................................50
8.7
No hot water (HW) ....................................................................................................................................................50
8.8
Hot water does not reach the correct temperature....................................................................................................51
9.
SERVICING THE BOILER
52
10.
Technical Specifications
53
10.1
Electrical diagram......................................................................................................................................................54
11.
CE Declaration
55
4