Table of Contents
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2
Table of contents
1.
Information on documentation / standard delivery ........................... 3
2.
Safety instructions ............................................................................ 5
3.
Dimensions ...................................................................................... 8
4.
Specification ..................................................................................... 9
5.
Set-up ............................................................................................. 10
6.
Standards and regulations ............................................................. 12
7.
Positioning ...................................................................................... 15
8.
Installation dimensions ................................................................... 16
9.
Opening the casing ........................................................................ 17
10.
Installation ...................................................................................... 18
11.
Gas connection .............................................................................. 19
12.
Fitting the trap ................................................................................ 20
13.
Air/flue gas routing ......................................................................... 21
Control unit
14.
Electrical connection ...................................................................... 22
15.
Control unit ..................................................................................... 28
16.
HG control parameters ................................................................... 33
17.
Parameter description .................................................................... 35
Commissioning
18.
Filling the heating system / trap ..................................................... 44
19.
Filling for optional appliance versions ............................................ 50
20.
Draining the heating system ........................................................... 51
21.
Determining the gas type ............................................................... 52
22.
Checking the gas supply pressure ................................................. 53
24.
Adjusting the maximum heating output .......................................... 56
25.
Checking the combustion parameters ............................................ 57
26.
High efficiency pump function description ...................................... 58
27.
Commissioning report .................................................................... 60
28.1. Maintenance - Fault messages ..................................................... 62
28.2. Maintenance - Spare parts maintenance set ................................. 63
28.3. Preparing for maintenance ............................................................ 64
(flue gas side) .......................................................................................... 65
28.5. Burner maintenance ....................................................................... 66
28.6. Checking the ignition ionisation electrode ...................................... 68
28.7. Cleaning the trap / checking the expansion vessel ........................ 69
28.8. Removing the heat exchanger ....................................................... 70
28.9. Assembling the heat exchanger ..................................................... 72
29.
Checking the DHW heating ............................................................ 75
Specification
30.
Safety devices ................................................................................ 76
32.
Design information, underfloor heating / DHW circulation ............. 93
33.
Service report ................................................................................. 94
34.
Troubleshooting .............................................................................. 95
35.
FGB wiring diagram ....................................................................... 99
36.
Product fiche according to Regulation (EU) no. 811/2013 ........... 100
37.
EU DECLARATION OF CONFORMITY ................................................ 103
3064458_201811
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