Key To Symbols And Safety Instructions; Explanation Of Symbols; Safety Regulations - Buderus Logano plus GB402 Installation And Maintenance Instructions Manual

1

Key to symbols and safety instructions

1 Key to symbols and safety instructions
1.1

Explanation of symbols

Warnings
Warnings in this document are framed and identified
by a warning triangle printed against a grey
background.
Keywords at the start of a warning indicate the type and severity of the
ensuing risk if measures to prevent the risk are not taken.
• NOTICE indicates that material losses may occur.
• CAUTION indicates possible minor to medium personal injury.
• WARNING indicates possible severe injury.
• DANGER indicates that severe personal injury may occur.
Important information
Important information where there is no risk to people
or property is indicated with the adjacent symbol. It is
bordered by lines above and below the text.
Additional symbols
Symbol Explanation
▶ Action step

Cross-reference to other parts of this document or to
other documents
• List/list entry
– List/list entry (second level)
Tab. 1
4
1.2

Safety regulations

If you smell gas
▶ Isolate the gas supply at the gas service valve.
▶ Open windows and doors.
▶ Never operate electrical switches, including telephones, plugs or
doorbells.
▶ Extinguish all naked flames. Do not smoke! Never use any lighters or
sources of ignition of any kind.
▶ Warn all occupants of the building, but do not ring doorbells.
▶ If you can actually hear gas escaping, leave the building immediately.
Prevent third parties from entering and notify police and fire brigade
from outside the building.
▶ From outside the building, call your gas supplier and licensed
contractor.
If you smell exhaust gas
▶ Switch off the boiler ( page 29).
▶ Open windows and doors.
▶ Notify an authorised contractor.
Danger of poisoning. Insufficient ventilation can lead to dangerous
flue gas leaks.
▶ Never block ventilation and extract air apertures or reduce their size.
▶ The boiler must not be operated, unless you immediately remedy the
fault.
▶ Inform the system user in writing of the problem and associated risk.
Danger of escaping products of combustion
▶ Ensure that the exhaust pipes and seals are not damaged.
▶ Ensure that the boiler is not equipped with a ventilation air damper or
a thermostatic shut-off damper downstream of the flue connection.
Danger of explosion of flammable gases
▶ Any work on components that carry gas may only be carried out by a
licensed contractor.
Danger posed by explosive and easily flammable materials
▶ Never use or store easily flammable materials (paper, curtains,
clothing, thinners, paints, etc.) in the vicinity of the boiler.
Danger through electric shock when the boiler is open
▶ Before opening up the boiler, isolate it completely from the mains
power supply and secure against unintentional re-connection.
▶ It is not enough to only switch off the control unit.
Danger through short circuits
To prevent short circuits:
▶ Only use original Buderus cables where supplied.
Siting and adjustment
▶ Correct and proper installation and adjustment of the burner and the
control unit are the fundamental requirements for safe and
economical operation of the boiler.
▶ Only permit an authorised contractor to install the boiler.
▶ Never change any parts in contact with exhaust gas.
▶ Work on components in contact with gas must only be carried out by
certified gas fitters.
▶ Electrical work must only be carried out by qualified electricians.
▶ Never operate the boiler in rooms that are permanently occupied.
▶ Do not cover or reduce the size of ventilation apertures in doors,
windows and walls. If draught-proof windows are fitted, ensure there
is an adequate supply of combustion air.
Logano plus GB402 – 6 720 804 428 (2012/09)