Blaupunkt 5WK600FF0R Instruction Manual page 37

Built-in installation drawings
The wine cooler door seals the installed unit almost completely.
CAUTION: for all of these models, please take into consideration the clearances required for air intake and exhaust.
Hot air must be driven by the ventilation to the rear wall of the cellar and then expelled upwards. The ventilation channels
shall be at least 200 square centimeters in cross-section.
Warning: to ensure proper operation, the ventilation grilles must never be obstructed or covered.