SANTO SK78803-6I Operating Instructions Manual page 21

Safety precautions for isobutane
Warning
The refrigerant of the appliance is isobutane (R600a) that is inflammable and
explosive to a greater extent.
Keep ventilation openings, in the appliance enclosure or in the built-in
structure, clear of obstruction.
Do not use mechanical devices or other means to accelerate the defrosting
process, other than those recommended by the manufacturer.
Do not damage the refrigerant circuit.
Do not use electrical appliances inside the food storage compartments of the
appliance, unless they are of the type recommended by the manufacturer.
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