73
The more bottles your wine cellar contains, the greater the thermal mass of
your bottles will be, and the less significant will be the impact of possible
ambient temperature variations due to the thus-created thermal inertia.
Thermal inertia is the tendency of your bottles to keep their initial
temperature for a long duration in case thermal equilibrium with their
environment is disturbed.
Therefore, it is possible to designate in this way the slow pace at which a
possible temperature disturbance would bring your bottles to a new
point of equilibrium.
It should be noted that for liquids (except for water) the conductivity drops
0.15% per °C on the average when the temperature increases.
Who has not one day when guests showed up unexpectedly placed a bottle
of champagne or white wine at ambient temperature (20°C) in the
refrigerator (4°C) to chill it ? Despite the abrupt and constant environmental
thermal disturbance on the order of 16°C, after an hour under these
conditions the bottle was still not ready to be consumed (not chilled enough).
Consequently, no need to worry if you observe temperature variations on the
order of 2°C around the set point in the cabinet's enclosure - your wines are
perfectly preserved ! The contents of a wine cellar filled with 200 bottles
represents a mass of approximately 260 kg (one 75 cl wine bottle = 1.3 kg
on the average), which is quite a lot. By referring to the above example and
the conditions under which this single bottle would have been subjected, the
small variations observed in the air of the wine cellar and extrapolated to its
200 or 300 bottles have no impact.
TEMPERATURE INDICATOR
The electronic temperature indicator informs you about the average
temperature in the cabinet . As we previously saw, the compressor's
operating cycles or stops allow obtaining a perfectly constant average
temperature inside the bottles.
If you place your own thermometer inside the appliance, it will not display
the same value as the indicator on the control door panel : the electronic
regulation system calculates automatically by an algorithm the temperature
average on a time length defined. This average indicates you the wine
temperature.
