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INSTALLATION
4.
Installation
4.1
Room air-dependent Installation
No binding values for the size of the intake air apertures
are quoted in most relevant regulations. The sole require-
ment is that no vacuum occurs in the boiler room in ex-
cess of 3 N/mm
2
.
4.2
Room air-independent Installation
The UltraGas
®
twin boilers are fitted with intake flaps. An
intake system can be mounted directly on these intake
flaps at the installation site. (Remove blanking cover on
the rear wall).
The combustion air intake can be executed either as a
separate or common intake line.
The total pressure losses for the intake
and flue gas lines is not to exceed 60 Pa.
If intake and flue gas lines are executed in the same di
-
mension, the effective pipeline length can be added and
configured according to the UltraGas
®
twin boiler project
planning.
If the intake line is executed in a dimension different to
that of the flue gas line, an individual calculation must be
made by the chimney builder.
