1.8 Risk of injury and
material damage due to
maintenance and repairs
carried out incorrectly or
not carried out at all
▶ Never attempt to carry out
maintenance work or repairs
on your product yourself.
▶ Faults and damage should be
immediately eliminated by a
competent person.
▶ Adhere to the maintenance
intervals specified.
1.9 Risk of damage from
corrosion caused by
unsuitable room air
Sprays, solvents, chlorinated
cleaning agents, paint, adhes-
ives, ammonia compounds,
dust or similar substances
may lead to corrosion on the
product.
▶ Ensure that the air supply is
always free of fluorine, chlor-
ine, sulphur, dust, etc.
▶ Ensure that no chemical sub-
stances are stored at the in-
stallation site.
1.10 Dangers of modifying
product surroundings
Some types of installation and
conversion work in your home
can impair the way your product
operates.
46
▶ Consult your installer before
undertaking the work in ques-
tion.
1.11 Frost damage due to
insufficient room
temperature
If the room temperature is set
too low in individual rooms, it
cannot be ruled out that sec-
tions of the heating installation
might be damaged by frost.
The product may release cold
air into the room. This means
the room temperature can fall
below 0 °C.
▶ If you are going to be away
while the outside temperature
is low, ensure that the heating
installation remains in oper-
ation and that the rooms are
sufficiently heated.
▶ You must observe the frost
protection instructions.
1.12 Avoid environmental
damage caused by
escaping refrigerant
The product contains R 290
refrigerant. The refrigerant must
not be allowed to escape into
the atmosphere.
Before the product is disposed
of, the refrigerant that is con-
tained in it must be completely
drained into a suitable vessel so
that it can then be recycled or
Operating instructions 8000015877_00