Boiler Water Connections - Buderus Logano G615 Installation And Service Instructions Manual

7.8

Boiler water connections

Please observe the following information regarding the
boiler connection to the system of pipes. These
instructions are important for trouble-free operation.
NOTICE: Risk of system damage from
leaking connections.
B All pipe connections to the boiler must be
free of stress and tension.
NOTICE: System damage due to deposits,
local overheating, and corrosion.
B As a basic rule, clean and flush existing
systems thoroughly before connecting
new boiler.
B Install a desludging unit in the boiler return
to prevent damage to the boiler.
The weld neck flange is fitted to the top boiler hub if the
return is connected at a later stage.
The weld neck flange and flat gasket are shown.
B The supply connection flange is required for
connecting the supply at a later stage.
1
Fig. 27 Fitting a flange
1 Supply connection flange
2 Flat gasket
3 Top boiler hub (return connection)
4 Flat gasket
5 Weld neck flange
Logano G615 - Subject to technical modifications
2
3 4 5
720 42 25-24.1o
Boiler block assembly
The supply and return manifolds are included
in the Buderus scope of delivery.
NOTICE: Risk of system damage from
temperature stresses.
B Install a fill valve on the system side.
B When the heating system is in operation,
do not fill it via the boiler fill & drain valve.
Instead, fill it on the system side.
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