4.2
HYDRAULIC CONNECTIONS
According to the current legislation; total heating capacity of the
boiler or cascade system must be calculated to meet the building's
heat demand. All necessary components must be installed and
supplied correctly in the installation in a manner to perform their
duty. Protective and safety devices must be used in the heating
system as described in the current legislation.
In order to separate the boiler from the installation, two
ball valves should be placed on the supply and the
return lines.
4.2.1
EXPANSION TANK
ALUBOX X-treme
boilers do not have an expansion tank. So the
capacity of the expansion tank should be selected according to the
capacity of the heating system and the static pressure.
It is recommended to place the expansion tank on the
turn of the central heating system.
4.2.2
SAFETY VALVE
ALUBOX X-treme
boilers are equipped with a safety valve. The
hose of this safety valve must be connected to a drain.
Manufacturer cannot be held liable for damages caused by water
flow into the boiler or on the ground when excessive pressure is
generated in the heating installation.
Safety valve must not be used as a means of
draining water from the system.
Draining water of the safety valve can be very hot.
Beware of scalding.
4.2.3
CONDENSATION WATER DRAIN
Condensation water which is generated during to the combustion,
transfers to the water drain connection by the syphon and drain
hose.
Condensation water is acidic and corrosive (approx. 2 ph). So all
of the connections which are made for condensation water must be
made with PP type pipes. Condensation water must be transferred
to the drain with the shortest way possible. For health and
environmental reasons it mustn’t transfer such places near people,
animals and plants.
Condensation water must not be connected to rain drain
systems.
The condensate drain line must have a slope of at least 3%.
A neutralization tank should be used for condensate water
occurring in systems with a total power of 200 kW and above.
It is mandatory to comply with the relevant local regulations for
the discharge of condensate water.
Syphon Sensor
17
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