Alarko SUPER FIT 24, Assembly, Installation And Operation Instructions

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In areas with higher water inlet pressure, a pressure reducing valve must be
fitted before the boiler.
The frequency of the heat exchanger coil cleaning depends on the hardness of the
mains water supply and the presence of residual solids or impurities, which are
often present in the case of a new installation. If the characteristics of the mains
water supply are such that require it to be treated, then the appropriate treatment
devices must be installed, while in the case of residues, an in-line filter should be
sufficient.
All DHW circuits, connections, fittings, etc. should be fully in accordance with
relevant standards and water supply regulations.
Central Heating Circuit
In order to prevent scaling or deposits in the main heat exchanger, the mains
supply water to the Heating circuit must be treated according to the requirements
of local standards. This treatment is indispensable in the case where the circuit is
frequently topped-up or when the system is often either partially or fully drained.
The outlet connection of the boiler safety valve must be connected to a discharge
trap. The manufacturer will not be held responsible for flooding caused by the
operation of the safety valve in the case of system overpressure.
Figure 17. Drainage pipe and connection
to sewage drain
Condensation Drainage
The condensate drain flexible pipe
supplied with the boiler is connected to
the siphon. The condensate discharge
into the drainage system is allowed by
means of siphon. Condensate drain
pipe must be connected to sewage
drain as open connection at boiler
side to prevent interruption in flow and
as including U form in pipe to prevent
smelling. Diameter of plastic connecting
pipe must be minimum 32 mm (Figure
17).
Any condensate drain pipe work
external to the building (or in an
unheated part of it) must be insulated
to protect against frost. If condensate
water is connected to the rain water
drain pipes, there is a risk of freezing.
Before switching the boiler On, check
the correct condensate drain.