10
Decommissioning and restarting
10.1
Decommissioning
When decommissioning, observe the instructions for
10.2
Restarting
WARNING!
Proliferation of legionellae due to stagnant water!
If the unit is not used for an extended period, there is
a risk of the proliferation of legionellae due to stag-
nant water.
– Upon restarting, set the operating mode to
“Thermal disinfection” (2 = Legio) to flush the
drinking water lines with hot water (
6.3 ‘Setting the operating mode’ on page
Legionellae are bacteria of which one species is
harmful to humans. Legionellae can easily proliferate
in pipes with warm, stagnant water. Flushing the
pipes at a water temperature of at least 55
°C kills off
the legionellae.
Restart the controller in accordance with
6 ‘Commissioning and operation’ on page
Proliferation of legionellae
Restarting
H3000 E
Decommissioning and restarting
01/2023
Item no. 215251
EA no. EA-1291
Operating instructions
37
