CONTROL SYSTEM FOR CLOTHES WASHING MACHINE INCORPORATING HEATER

摘要

A washing machine includes a control system which regulates a heater bas ed on selected cycle operations and selected cycle operations based on heater related parameters. User cycle selections, along with sensed operating parameters including the level and temperature of a washing medium, are used to control the activation state of the heater to control the washing medium to within a preset range o f a target temperature. Preferably, the heater is de-activated after a predetermined period of activation has been reached, whenever a door of the washing machine is opene d, and during certain selected operating cycle portions, including a bleach fill an d latter time cycle portions.