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SAFETy nOTICES
1.
Safety notices
1.1
System manua
All instructions relevant to your system can be found in
the Hoval system manual - please keep all manuals! In
exceptional cases, the instructions can be found with the
components!
Further sources of information:
• Hoval catalogue
• Standards, regulations
1.2
General safety instructions
The system may only be placed in operation
if all the relevant standards and safety regula-
tions have been complied with.
At least the following conditions must be satisfied for a
trial operation:
- Safety valve installed (system sealed)
- Control in operation (connected to the mains current
supply system)
- Sensor for safety temperature limiter connected
(= boiler temperature sensor)
-
System filled with water
- Expansion vessel connected
-
Flue gas connectors connected to the flue gas pipeline
at the chimney or flue.
- Burner preset.
WARNING
The heat generator can only be de-energised
by disconnection from the mains (e.g. all-
pole switch).
WARNING
All electric power supply circuits must be
switched off before accessing the terminals.
1.3
Explanation of the symbols
1.3.1 Warnings
!
DANGER
... indicates a situation of immediate danger
which will lead to serious or fatal injuries if
not avoided.
!
WARNING
... indicates a situation of possible danger
which can lead to serious or fatal injuries if
not avoided.
!
CAUTION
... indicates a situation of possible danger
which can lead to minor or slight injuries if
not avoided.
NOTICE
... indicates a situation of possible danger
which can lead to damage to property if not
avoided.
1.3.2 Warning symbols
The following warning symbols are combined with signal
words CAUTION, WARNING and DANGER for the warn-
ing notes.
!
General warning symbols
Warning of electrical voltage
Warning of potentially explosive substances
Warning of cutting injuries
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