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General safety instructions and explanation of symbols
Logano plus GB312 – 6 720 647 367 (2012/11) 5
Danger due to short-circuits
To prevent short circuits, only
▶ use genuine Buderus wiring replacement parts.
Inspection/maintenance
Heating systems should be regularly maintained for the following
reasons:
• to achieve a high level of efficiency and to operate
the system economically (low fuel consumption),
• to achieve a high level of operational safety,
• to maintain the cleanest combustion.
▶ Recommendation for users: sign a maintenance and servicing
contract with an approved heating contractor covering annual
servicing and condition-based maintenance.
▶ Servicing and repairs may only be carried out by an approved heating
contractor.
▶ Immediately correct all faults to prevent system damage.
▶ The operator is responsible for the general and environmental safety
of the heating system.
▶ Use original spare parts only. No liability is assumed for damage
caused by the use of spare parts not supplied by Buderus.
Installation and adjustment
▶ Correct and proper installation and adjustment of the burner and the
control panel are the fundamental requirements for safe and
economical operation of the boiler.
▶ The boiler may only be installed by an approved
heating contractor.
▶ Never change any parts in contact with flue gas.
▶ Work on gas components may only be carried out by qualified and
authorized personnel.
▶ Only qualified electricians are permitted to carry out electrical work.
Installation regulations must be complied with.
▶With sealed combustion appliances: do not cover or reduce the size
of ventilation openings in doors, windows and walls. If draft-proof
windows are fitted, ensure there is an adequate supply of air to the
room for combustion.
▶ Never shut off safety valves!
Water may escape from the safety valve for the hot water system and
piping when the water is being heated.
Instructing the customer
▶ Explain to the customer how the boiler works and how to operate it.
▶ Inform customers that they must not carry out any modifications or
repairs.
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