Whirlpool 6ALSC8255JQ0 Manuale di servizio - Pagina 3
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WHIRLPOOL CONSUMER SERVICES
Model 6ALSC8255JQ0
Page 3 of 23
AUTOMATIC (ELECTRONIC) TEMPERATURE CONTROL - ATC (ETC)
The ATC system controls the incoming water supply to provide an accurate setting for the
water temperature in the washing machine tub. The ATC system uses a thermistor located in
the water supply tubing between the water inlet valves and the and the vacuum break (See
Figure 1). The thermistor senses the incoming water temperature and provides input to the
ATC control board.
The ATC control board uses the input from the thermistor to cycle the hot and cold water
solenoids on the water inlet valves to achieve the desired water temperature. A triac located on
the control board, cycles the hot and cold water solenoids through the water temperature switch
(See Figure 2).
Figure 2
The ATC system will provide 24°C ± 3°C For the COLD setting and 38°C ± 5°C For the WARM
setting.