Explanation of symbols and safety instructions
Condens 5000 W – 6720644144 (2019/03)
8
Conversion and repairs
Improper modifications to the heat source or other
parts of the heating system can result in personal
injury and/or material damage.
▶ Have work carried out only by an approved
contractor.
▶ Never remove the casing of the heat source.
▶ Never carry out any modifications to the heat
source or to other parts of the heating system.
▶ Never close the outlet of the pressure relief valves.
Heating systems with DHW cylinder: During heat-
up, water can escape from the pressure relief valve
of the DHW cylinder.
Open flue operation
The installation location must be adequately
ventilated, if the heat source draws its combustion air
from the room.
▶ Never cover or reduce the size of ventilation
openings in doors, windows and walls.
▶ Consult a contractor to ensure that ventilation
requirements are met:
– If structural modifications are made (e.g.
replacing windows and doors)