7
Boiler block assembly
Logano G615 - Subject to technical modifications
27
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.
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.
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
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.
6 720 642 625-24.1o
5
4
3
2
1
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.
