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Positioning / modifications
Corrosion protection
Water hardness
4
Installation information /
Maintenance information
- Your gas fired boiler should only be installed and modified by an approved heating
contractor, as only they have the essential knowledge to carry out such work.
- Gas components must not be modified.
- Never close or restrict the ventilation apertures in doors or walls when
operating the boiler in the open flue mode; only start the boiler when the flue
has been fully installed.
- Only operate the boiler in balanced flue mode, after the balanced flue system
has been fully installed and the wind protector is not covered up.
- The gas fired boiler may only be installed in rooms that are protected from frost.
- Never isolate the boiler from the power supply when outside temperatures fall below
freezing, as otherwise there is a risk of the system freezing-up.
- Do not modify the drain or the safety valve.
Caution - ignoring this rule may lead to a risk of fire, as well as a risk
of destruction, poisoning or explosion.
Do not use or store explosive and flammable materials, e.g. petrol,
thinners, paints, paper, etc. inside the boiler room.
Do not use (for cleaning, polishing, etc.) or store sprays, solvents, chlorinated cleaning
agents, paints, lacquer, adhesives, salts, etc. on or in the vicinity of the gas fired boiler.
Under unfavourable conditions, these materials may lead to corrosion in the boiler and
the flue gas system. Ducted vents routed through a roof may also contain corrosive
vapours.
Caution - ignoring this rule may lead to a risk of fire as well as a risk of
destruction, poisoning or explosion.
Energy, and therefore operating costs, can be effectively saved through low DHW
temperatures. Furthermore, scaling up of the flat-plate heat exchanger in the gas combi
boiler version can be prevented. If the water's hardness is greater than 15°d.H. the
cylinder water temperature should be limited to 55 °C.
3062348_0511
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