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2.6.4
Measuring the energy consumption
The energy consumption indicated in the brochures was determined in
the laboratory under standard conditions.
Measurements taken in the household deviate:
►
The ambient temperature is not constant
(e.g. day and night)
►
The appliance is used while the measurement is being taken
and therefore heat is introduced uncontrollably when the
appliance is loaded and unloaded and when the door is
opened.
►
The appliance is exposed to a heat source
(e.g. if using an adjacent cooker)
►
The measurement period is not usually selected for long
enough and the measuring instruments have not been
calibrated.
►
The compartment temperatures cannot be set exactly for
some appliances.
►
The compartment temperatures are subject to control cycles.
►
If basic conditions vary (e.g. weekdays and workdays, change
in weather, etc.)
In order to take measurements which are approx. correct
(standard consumption value), the following basic conditions
must be observed:
►
Ambient temperature approx. 25 °C when door is permanently
closed.
►
Ambient temperature approx. 20 °C, in the household with the
usual loading and unloading of the appliance and opening of
the door.
►
The following mean compartment temperatures
173_58300000002379_ara_en_j.doc – 29.04.14
►
Cold-storage compartment 8 °C to 12 °C
►
Refrigerator compartment 5 °C
►
"Cool-fresh" compartment: –2 °C to +3 °C
►
Freezer compartment –18 °C
►
Measure power consumption for 24 hours.
Special measuring instruments must be used which take the reactive
power into account (cos. ϕ).
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