2.3.3
Danger due to legionella outbreak
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” (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 with water at a temperature of at least 55
°C
kills the legionellae.
2.4
Operator's responsibilities
The operating company is the person who operates the heat interface
unit with the integrated controller for commercial or economic pur-
poses, or allows a third party to use/employ the system, and who
assumes the legal product liability for protecting the user, personnel
or third parties during operation.
The heat interface unit with the integrated controller may be used for
commercial purposes. The operating company of the heat interface
unit is therefore subject to the legal obligation to ensure occupa-
tional safety.
Along with the safety instructions in these instructions, the appli-
cable occupational health and safety regulations and environmental
protection regulations must be complied with in the area of use of the
controller.
The following applies in particular:
n
The operating company must be informed about the applicable
occupational safety regulations and must identify additional dan-
gers resulting from the specific working conditions at the site at
which the heat interface unit is used in a hazard assessment.
This must be implemented in the form of operating instructions
for operation of the controller.
n
The operating company must be check whether the operating
instructions created by the operating company correspond to the
current status of regulations, and modify them, if applicable, over
the full term of use of the controller.
Proliferation of legionellae
Operating company
Operating company responsibilities
H3000 E
Safety
01/2023
Item no. 215251
EA no. EA-1291
Operating instructions
11