Thread Number: 97798  /  Tag: Vintage Automatic Washers
Early Direct Drive Pause During Spin-Drain
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Post# 1227384   3/26/2025 at 23:10 by Chetlaham (United States)        

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Why do early direct drives stop mid way through the spin drain, continue running the timer, and then start back up again about 1 minute latter? Why did Whirlpool go through the trouble of doing this? Why not just let the washer spin uninterrupted to the end like a modern Speed Queen?



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Post# 1227423 , Reply# 1   3/27/2025 at 10:09 by DADoES (TX, U.S. of A.)        

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It's running the Perm Press cycle.  This is a spin-drain model.  Drain is at high speed, perm press spin is at low.  My guess is high-speed drain stops when the pressure switch resets (like it does for the PP cool down partial drain) to prevent the drain periods from attaining full high speed for purpose of avoiding compression wrinkles.  I'm wondering if it'd exhibit the same behavior on Knit/Delicate.

Granny's 1984 WP spin-drain direct-drive machine didn't do that drain pause on either PP or Delicate (except for the cool down on PP), so maybe the behavior is a KM "exclusive."


Post# 1227437 , Reply# 2   3/27/2025 at 13:38 by Chetlaham (United States)        

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That is probably it as it makes the most sense.

 

Which leads me to ask- is there a guaranteed pump out height or max drain hose lengthened advertised by Whirlpool that requires all draining be done with the motor running on high? I know Speed Queen and Maytag gets away with draining on low when the cycle calls for a low speed spin. 



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