Supply Flange With Safety Components; Return Flange; Boiler Water Connections - Buderus Logano G315 Installation And Service Instructions Manual

7
Boiler block assembly
7.6.3

Supply flange with safety components,

return flange

Fig. 25
Fig. 26
7.7

Boiler water connections

Please observe the following information regarding the
boiler connection to the system side. 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.
26
The weld neck flange is fitted to the upper boiler hub
(Fig. 27, [6]) – return connection) if the return is
connected at a later stage.
The weld neck flange and flat gasket are shown (Fig. 27,
[4 and 5]).
B The supply connection flange (Fig. 27, [3]) with flat
seal (Fig. 27, [2]) is required for connecting the supply
at a later stage (Fig. 27, [1]).
Relief Valve
Fig. 27 Fitting a flange
NOTICE: System damage from deposits,
local overheating, and corrosion.
B As a basic rule, clean and flush existing
systems before connecting the new boiler.
B Install a desludging unit in the boiler return
to prevent damage to the boiler.
The boiler 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, use the fill valve on the system
side.
Logano G315 - Subject to technical modifications