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Siemens Building Technologies
Basic Documentation RVP540 / RVP550
CE1P2488en
HVAC Products
Description of the heating engineer settings
18.10.2002
4.240 Circulating pump operation during the
legionella function
Flushing the circulation piping ensures that the legionella bacteria will also be killed in
that part of the plant.
Setting range
Unit
Factory setting
0 / 1
°C
1
0
The circulating pump (ZuFu4, operating line 147)
does not run
during the time
the legionella function is performed.
1
The circulating pump (ZuFu4, operating line 147)
runs
during the time the le-
gionella function is performed.
If this function is deactivated, there is a risk that legionella bacteria will return from the
circulation piping to the d.h.w. storage tank right after the storage tank has been ther-
mally disinfected.
Description
Setting
Effect
Important
