Buderus Logano plus GB402 Series Operating Instructions For Users page 4

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Explanation of symbols and safety instructions
H Inspection/maintenance
Heating systems must be regularly maintained.
In that way, you will obtain a high level of efficiency and
low fuel consumption.
You will achieve a high level of operational safety and
reliability.
And you will obtain the cleanest possible combustion.
▶ Recommendation for customers: arrange a
maintenance and inspection contract with an
authorised contractor, covering an annual
inspection and demand-dependent maintenance.
▶ Maintenance and repairs may only be carried out by
an authorised contractor.
▶ Have any faults immediately rectified to prevent
damage to the system.
▶ The user is responsible for ensuring the heating
system is safe and environmentally compatible.
▶ Only use genuine spare parts! Damage caused by
the use of spare parts not supplied by Buderus is
not covered by the warranty.
H Danger posed by explosive and easily
flammable materials
▶ Any work on components that carry gas may only be
carried out by an approved contractor.
▶ Never use or store easily flammable materials
(paper, thinners, paints etc.) near the boiler.
H Danger of poisoning
Insufficient ventilation can lead to dangerous flue gas
leaks.
▶ Ensure that ventilation or extract air apertures are
not reduced or closed.
▶ Faults should be rectified without delay, otherwise
the boiler must not be operated.
▶ If flue gas enters the installation location, ventilate
and vacate the area and if necessary call the fire
brigade.
▶ Inform the system user in writing of the problem and
associated danger.
H Danger of water damage
▶ In the event of severe risk of flooding, shut down the
power and fuel supply to the device before water
enters the installation location.
▶ Never use the device if any part of it has been under
water.
▶ Immediately get in touch with a qualified service
technician to have the device inspected and have
any part of the control system and any air/gas ratio
control valves that have been under water replaced.
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H Combustion air/ambient air
The air in the installation location must be free of
flammable or chemically aggressive substances.
▶ Do not store or use any corrosive substances
(solvents, adhesives, chlorinated cleaning agents,
etc.) within the vicinity of the heat source.
▶ Avoid very dusty atmospheres.
H Risk of damage from operating errors
Operator errors can result in personal injury and/or
material damage.
▶ Ensure that children never operate this appliance
unsupervised or play with it.
▶ Ensure that only personnel who can operate this
appliance correctly have access to it.
H Additional important notes
▶ Never switch off or interrupt the power supply to
the pump in case of overheating or if the gas supply
does not shut down. Instead, interrupt the gas
supply at another point outside the heating system.
▶ The flue system must be checked annually. During
this inspection, have a contractor replace any parts
that show signs of damage through corrosion or
other causes.
▶ The boiler must be serviced annually by a qualified
service provider. The inspection must include the
main burner, the entire flue gas and air supply
system and the ventilation apertures or air inlet
openings. During this inspection, have a contractor
replace any parts that show signs of damage
through corrosion or other causes.
Logano plus – 6720865368 (2019/05)