en
1 Safety
1
Safety
1.1
General safety instructions
1.2
Recommendations
1.3
Liabilities
22
Danger of electric shock
Before any work, switch off the mains supply to the boiler.
Danger of electric shock
Danger to life through incorrect work!
All electrical work in connection with the installation may only be
carried out by a trained electrician.
Danger
Risk of death due to modifications to the boiler!
Unauthorised conversions and modifications to the boiler are not
permitted, as these can put people at risk and cause damage to
the boiler. Failure to comply with these instructions renders the
approval for the boiler void.
Danger
Let the appliance cool down before installing the accessories.
Caution
There is a risk of significant material damage when installing the
accessories. Accessories must therefore only be installed by
trained contractors and commissioned by a competent person
appointed by the system installer. Accessories used must
correspond to the technical regulations and be approved by the
manufacturer in combination with these accessories.
Caution
Only genuine spare parts may be used.
The speed-controlled high-efficiency pump HEP 25-180-10 is used for
internal and external boiler installation in the following gas condensing
boilers
WGB 50-110 (as of series E)
BGB 50-110 (as of series H)
1.3.1
Manufacturer's liability
Our products are manufactured in compliance with the requirements of the
various Directives applicable. They are therefore delivered with the
marking and any documents necessary. In the interests of the quality of
our products, we strive constantly to improve them. We therefore reserve
the right to modify the specifications given in this document.
Our liability as manufacturer may not be invoked in the following cases:
Failure to abide by the instructions on installing and maintaining the
appliance.
Failure to abide by the instructions on using the appliance.
Faulty or insufficient maintenance of the appliance.
1.3.2
Installer's liability
The installer is responsible for the installation and initial commissioning of
the appliance. The installer must observe the following instructions:
7660118 - 04 - 07022019