14
Danger
There is a risk of injury when
working on pressurised compo-
nents.
Only open the connections on the
heating water side after the boiler
has been depressurised.
Note
■ The boiler is only suitable for fully pum-
ped hot water heating systems.
■ Install all pipe connections free of load
and torque stress.
1.
Thoroughly flush the heating sys-
tem.
2. Note
Never connect heat consumers to the
safety connector.
Make all necessary connections.
Connecting a single heating circuit:
Connect the heating return to
boiler return 1.
Connecting two heating circuits: Con-
nect the heating circuit with the higher
temperature level to boiler return 2.
Connect at least 15 % of the boiler
heating output to boiler return 1.
Close test ports that are not used for
the installation of a probe or sensor.
Connections on the flue gas side
Flue outlet and siphon
1.
3.
Connections on the heating water side
(cont.)
5614 451 GB
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