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Consumer Electronics by S. P. Bali

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WASHING CYCLE

The push-button keyboard enables the desired program to be selected. The control—the microcomputer— checks firstly that the safety cut-out is in the ON position. The water is then admitted (valve opened) and the water level is constantly monitored. When the required quantity of water has been provided the valve closes. The water temperature is measured and the heater is switched until the water reaches the required temperature. In the meantime, the washing powder is admitted from a container and the hardness of water is noted, at the same time the drum motor is switched on so that the dirty washing is evenly moved through the water. After the required time has elapsed, according to the selected program, the motor is switched to ...

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