Jerrod, here was my experience...
Perfect Temp (At least on my 2004 vintage machines) meant that the machine would adjust the overall water temperature in the tub during the fill stage by cycling the hot or cold water solenoids on and off for a short period of time to make sure that the water temperature was proper. It didn't use a bi-metal strip to adjust temperature. I'm assuming there was a thermometer somewhere inside of the outer tub which sensed the water temperature.
In my experience, when I selected a warm wash, it would occasionally cycle the cold water solenoid on and off, switching between a warm water fill and a hot water fill. However, if the lid was open, it wouldn't do this. During a cold water wash, it would cycle the hot water solenoid on and off, switching from a cold fill to a warm fill.
I don't know the EXACT temperatures the machine uses, but my guess is about 140 F for hot, about 90 F for warm and about 45 F for cold.
Perfect Temp (At least on my 2004 vintage machines) meant that the machine would adjust the overall water temperature in the tub during the fill stage by cycling the hot or cold water solenoids on and off for a short period of time to make sure that the water temperature was proper. It didn't use a bi-metal strip to adjust temperature. I'm assuming there was a thermometer somewhere inside of the outer tub which sensed the water temperature.
In my experience, when I selected a warm wash, it would occasionally cycle the cold water solenoid on and off, switching between a warm water fill and a hot water fill. However, if the lid was open, it wouldn't do this. During a cold water wash, it would cycle the hot water solenoid on and off, switching from a cold fill to a warm fill.
I don't know the EXACT temperatures the machine uses, but my guess is about 140 F for hot, about 90 F for warm and about 45 F for cold.