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Maintenance
Work on the electrical installation should only be carried out by
approved technicians and in accordance with the appropriate
electrical regulations.
Work on the gas and hydraulic systems should only be carried
out by approved technicians and in accordance with the safety
regulations for gas installations.
Keep unauthorized people away from the installation. Do not
place any objects on the water heater. Keep away from the hot
water connections in order to prevent burns.
Always disconnect the water heater from the electric mains and
close the gas service cock in the gas supply pipe before com-
mencing maintenance and servicing operations.
Check the system for leaks afterwards.
In addition to the information in this documentation, always
follow the standard safety regulations to prevent accidents.
Cover panels should only be removed for maintenance and
servicing tasks. Replace all panels after completing these
maintenance and servicing tasks.
Safety precautions
The installation should never be switched on with panels re-
moved or when water heater protection devices are not opera-
tional.
Instruction and warning stickers
Never remove or cover any of the instruction and warning
stickers. They should always be legible throughout the life span
of the water heater.
Immediately replace any damaged or illegible stickers.
Modification
Modification of the installation should only be carried out after
obtaining prior written permission from the manufacturer.
Danger of explosion
Follow the health and safety regulations for working in hazard-
ous areas when working in the water heater room.
15
18IP22B
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