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4.4 Boiler room
The boiler room must comply with the applicable construction law regulations,
in particular the fire regulation, of the respective country. The boiler room must be
equipped with an opening for ventilation. The ventilation diameter should be at
least 6.5 cm
2
per 1 kW of boiler power.
4.5 Connection to chimney
The boiler is designed for open operation. Existing engineering standards and building
regulations for the design/installation of the chimney must be taken into consideration.
Important conditions:
◗ Good thermal insulation in order to as much as possible avoid temperature losses
from the connection between the boiler and the chimney.
◗ Accurate sealing of the flue gas connections.
◗ Heat-shock resistance as well as water- and steam tight.
4.6 Flue gas temperatures
The respective country-specific regulations regarding the flue gas systems
must be observed.
In some cases it is necessary to install a flue gas temperature thermostat, follow the lokal
regulations for flue gas systems. (Installation instructions are attached to the flue gas
temperature thermostat).
4.7 Hydraulic connection boiler
The dimensioning and plumbing of the system shall be accomplished according to the
measurements and datas in the part Technical information.
4.8 Shut-off valves
Shut-off valves must be installed between the heating circuit and heating boiler in order
to facilitate an eventual dismantling of the flue gas heat exchanger coil.
4.9 Boiler safety valve
In a closed system a certified safety valve must be installed in accordance with the
applicable regulations. The maximum operating pressure of the boiler is
3 bar. The hydraulic connection between boiler and safety valve must be designed so
that no increase in pressure is possible. The overflow pipe must be free and visible.
Any escaping heating water must be drained without danger.
(Warning! Risk of scalding).
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