Hkoenig CAVC15 Manuel D'utilisation page 12

recycle the device responsibly to promote the reuse of
material resources. Disposal must be done safely at public
collection points provided for this purpose.
Older refrigerators may contain CFCs that destroy the
ozone layer; contact your nearest waste treatment center
for more details on proper disposal procedures.
This appliance contains the coolant isobutene(R600a),a
natural gas which is environmentally friendly. Although it is
flammable, it does not damage the ozone layer and does
not increase the greenhouse effect. The use of this coolant
has, however, led to a slight increase in the noise level of
the appliance. You might be able to hear the coolant
flowing around the system.