
Boiler connection
5
15
We reserve the right to make any changes due to technical modifications.
Commissioning and maintenance instructions Logano GE434 Gas-fired special boiler • Issue 02/2003
Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de
5.2
Notes for the connection of the boiler to the pipework
Please observe the following note regarding the boiler
connection to the pipework. These notes are important
for fault-free operation.
5.2.1 Heating return
!
Connect the heating system return stress-free to the
boiler return = RK (Fig. 2,
).
5.2.2 Heating flow
!
Connect the heating system flow stress-free to the
boiler flow = VK (Fig. 2,
).
CAUTION!
SYSTEM DAMAGE
through leaking connections.
!
Connect the pipes without stress to the
boiler connections.
PLEASE NOTE
To prevent boiler contamination through
the water system, we strongly recommend
the on-site installation of a dirt trap.
Fig. 2
Water connections
Item 1:
Fill and drain connection = EL
Item 2:
Boiler flow = VK
Item 3:
Boiler return = RK
1
2
3
1