1
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General safety precautions
1.2 Safety instructions for installation and
operation
1.2.1 General
Avoiding danger
ROTEX GCU compact conforms to the state-of-
the-art and meets all recognised technical
requirements. However, improper use may result
in serious physical injuries or death, as well as
property damage. To prevent such risks, only
install and operate the devices:
– as stipulated and in perfect condition,
– with an awareness of safety and the hazards
involved.
This assumes knowledge and use of the con-
tents of this manual, of the relevant accident pre-
vention regulations as well as the recognised
safety-related and occupational health rules.
Before working on the heating system
●
Only authorised and trained heating techni-
cians may work on the heating system (such
as installation, connection and initial start-up).
●
Switch off the main switch and secure it
against unintended switching on when
carrying out any work on the heating system.
●
Seals must not be damaged or removed.
●
Make sure that the safety valves comply with
the requirements of EN 12828 when
connecting on the heating side, and with the
requirements of EN 12897 when connecting
on the domestic water side.
1.2.2 Use as intended
The ROTEX GCU compact may only be used for
the heating of hot water heating systems. It may
only be installed, connected and operated in ac-
cordance with the information in this manual.
The ROTEX GCU compact may only be op-
erated with the integrated circulation pump and
only in conjunction with a controller system ap-
proved by ROTEX.
Any other use outside the intended use is con-
sidered as improper and will result in a loss of
warranty. The operator alone shall bear respon-
sibility for any resulting damage.
The ROTEX GCU compact is suitable for oper-
ation with natural gas E, natural gas LL and liquid
gas (propane).
Gases from regenerative sources (e.g. biogas)
may contain substances that cause corrosion on
the gas valve and can impair its function.
The gas composition must comply with the re-
quirements on conditions for feeding into the gas
distribution grid (low-pressure pipelines) of the
public standard gas supply. Gases from regener-
ative sources (e.g. biogas) may only be used
when they have been previously prepared so
that they can be fed into the public natural gas
grid in accordance with regional regulations.
Intended use also includes compliance with the
maintenance and service conditions. Re-
placement parts must at least satisfy the tech-
nical requirements defined by the manufacturer.
This is the case, for example, with original spare
parts.
WARNING!
Heating devices that have not been set up and
installed correctly can impair the function of the
heating device and/or cause serious or fatal in-
juries to the user.
●
Work on the GCU compact (such as set-up,
servicing, connection and initial start-up)
must only be carried out by persons who are
authorised and who have successfully
completed
qualifying technical or
vocational training
and who have taken part
in advanced training sessions recognised by
the relevant responsible authorities for the
specific activity. These include, in particular,
certified heating engineers, qualified
electricians and HVAC specialists
, who
because of their professional training and
expert knowledge
, have experience in the
professional installation and maintenance of
heating systems, gas installations and heat
water tanks.
●
Switch off the external main switch before
starting any work on the GCU compact and
secure it against unintentional switch-on.
●
Do not leave any tools or other objects below
the hood of the unit after finishing installation
or maintenance work.
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