3 Safety
Installation instructions
Read through these instructions carefully before starting the installation.
The appliance must be installed by a recognised installer in accordance with the applicable na-
tional and local regulations (see Supplement).
The installation may only be used for heating systems up to a maximum water temperature of
90°C.
It is expressly stated that these installation instructions must be seen as a supplement to the
above mentioned standards and regulations and that these standards and regulations must take
precedence over any information included in this technical manual.
Pictograms used in this manual
y
An instruction that is essential for the correct functioning of the installation.
w
If these operations, procedures, etc., are not accurately fol lowed this can result in serious damage
to the installation, personal injury or environmental damage.
v
Danger of electric shock.
x
Useful information.
Maintenance
Work on the electrical installation may only be carried out by an authorised installer in accordance
with the applicable electrical regulations.
Work on the gas and hydraulic installations may only be under taken by properly trained person-
nel in accordance with the safety regulations for gas installations.
w
Keep unauthorised persons away from the installation. Do not place any objects on the unit.
Remain out of the area of the hot water connection and the chimney to avoid burns.
Before starting any maintenance or service activities, discon nect the electrical power supply and
close the gas supply valve.
After completing any maintenance or service activity, check the whole installation.
x
As a supplement to the information provided in this technical manual, all applicable safety regula-
tions must be consulted to avoid accidents.
All panels forming part of the casing must be mounted. Panels may only be removed for main-
tenance or service purposes. After performing maintenance or service activities, ensure that all
panels are replaced.
Safety provisions
w
The installation may never by switched on if any of the panels have been removed or if any of the
safety devices have been disabled.
Instruction and warning stickers
x
None of the instruction and warning stickers attached to the installation may be removed or cov-
ered and during the whole of the lifetime of the installation they must remain legible.
Replace any damaged or unreadable instruction and warning stickers immediately.