UBC BEST Operating And Maintenance Manual page 13

R600a - isobutane or R290 - propane is used as the
refrigerant of the refrigerated cabinet (the brand and dose of
the refrigerant are indicated on the nameplate of the
refrigerator) - natural gas, which is combustible, then the
refrigerating cabinet is is labeled with a special warning label
located behind the product in the area of the refrigeration
unit, with the obligatory indication of the gas brand. As a
result of accidental damage to the refrigerant circuit, avoid
any kind of naked flame or potential sources of ignition and
thoroughly air the room where the refrigerator is located. The
volume of the room should be 1 m for every 8 g. of refrigerant
R600a or R290 in the product. Never turn on the refrigerator
with signs of damage. If you have doubts about the health of
the product, contact an authorized service center.
ATTENTION! Do not use electrical appliances inside the
device.
ATTENTION! Do not block the cooling vents in the
cabinet or in the built-in design!
ATTENTION! Do not damage the refrigerant circuit.
ATTENTION! Do not use mechanical devices or other
means to accelerate the defrosting process.
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