7.3.1.9 Refrigerators and freezers shall be operated continuously with the door closed. The thermostat shall be adjusted to the middle of the adjustment range. The cabinet shall be empty and not heated. The measurement shall be made after the steady state has been reached.
The click rate N is determined from half the number of switching operations.
喀呖声率N以开关操作数的半数来确定。
NOTE Due to ice deposition on the cooling element, the number of switching operations in normal use is about half that compared with the refrigerator being empty.
7.3.1.10 Washing machines shall be operated with water but without textiles, the temperature of the incoming water shall be in accordance with the manufacturer's instruction for use. The thermostat, if any, must be adjusted to the maximum setting for the programme chosen or to 90 °C, whichever is lower. The most unfavourable control programme of an appliance shall be taken for the determination of click rate N.
Aqua-stop valves are not an auxiliary apparatus within the meaning of subclauses 5.2.3 and 6.3. Measurements need not be made on the lead to these valves.
During the measurement of disturbance power on the mains lead, the aquastop hose shall be connected to the water tap and located parallel to the mains lead on a length of 40 cm with a maximum distance of 10 cm. Afterwards the measurements on the mains lead are carried out as described in 6.2.
7.3.1.12 Tumble-dryers shall be operated with textile material in form of pre-washed, doublehemmed cotton sheets having dimensions of approximately 0,7 m × 0,7 m and a mass between 140 g/m2 and 175 g/m2 in dry condition
滚筒干衣机用预先洗好的,干燥时质量在140 g/m2 和175 g/m2 之间,尺寸约0,7 m × 0,7 m的双摺棉布片构成的纺织物布料运行。