2 Safety
6
Installation instructions VRT 350f 0020131978_00
2
Safety
2.1
Required personnel qualifications
This manual is intended for persons with the following quali-
fications.
2.1.1
Authorised competent person
The installation, assembly and removal, start-up, mainten-
ance, repair and decommissioning of Vaillant products and
accessories must only be carried out by authorised compet-
ent persons.
Note
Each competent person is qualified for specific
activities on the basis of their training. They
must only work on units if they have the re-
quired qualification.
When working on the units, the competent persons must
observe all applicable directives, standards, laws and other
regulations.
2.2
General safety information
2.2.1
Installation by skilled tradesmen only
The unit must be installed by a qualified, skilled tradesman,
who is responsible for compliance with the applicable re-
quirements, regulations and directives.
▶
Read through these installation instructions carefully.
▶
Carry out the activities that are described in these in-
stallation instructions.
▶
During the installation, observe the following safety in-
structions and regulations.
2.2.2 Risk of death from live connections
When working in the electronics box of the boiler, there is
a risk of death from electric shock. Continuous voltage is
present on the mains connection terminals, even if the main
switch is turned off.
▶
Switch the main switch off before working on the elec-
tronics box of the boiler.
▶
Disconnect the boiler from the power mains by discon-
necting the mains plug or by de-energising the boiler via
a partition with a contact opening of at least 3 mm (e. g.
fuses or power switches).
▶
Check that the boiler is de-energised.
▶
Secure the power supply against being switched on
again.
Содержание VRT 350f
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