Whirlpool's new dishwasher motors

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The wash

motor does in fact run continuously. Any pauses during the wash and rinse periods are determined by the machine control. Additionally, the wash motor powers up very smoothly and does not "chatter".

I seem to recall a AW.org member or two, recently installed a machine equipped like this. Perhaps, they'll chime in with actual fact based user experience & comments.
"You" toober has an overview as linked.

...L.P.

 
My Kitchenaid is a year old and doesn't have a pump like that.  It still uses a squatty vertical shaft pump with a four blade chopper.  The motor doesn't run continuously, but it only stops for a few seconds when it is sensing. 

All three arms  run at the same time..  Only time the upper arms don't run is when the pro scrub is active.  Normal cycle with normal soil choosing sani rinse is about 90 minutes.
 
I looked on

Repair Clinic for the dishwasher I just got because I was curious to see what the motor looked like and there is no motor listed under parts. Interestingly enough the control panel is out of stock which isn't a good sign, maybe??. I think I'm going to put a camera in mine to see what it looks like running. Mine has the chopper too and I think all arms run at once. So all the new WP dishwashers including Maytag & KA use the same motors?
 
mark_wpduet, your dishwasher still uses the same 2.7 amp motor that the Whirlpool Point Voyager used, although I'm pretty sure they've improved it a bit. Even the new Maytag that was just released uses almost the same motor, or else they would not have been able to use the chopper blade or run all wash arms at once, nor would they be able to tout the feature of "having the most powerful motor in the industry". Try appliancepartspros.com; the site is a little easier to navigate and I haven't found anything yet that wasn't available besides photos of the parts listed.

iheartmaytag - I would check the manufacture date on your KitchenAid's model and serial. Vertical shaft pumps have not been used in any Whirlpool built machines since the transition from the PowerClean module to the Point Voyager tall tub configuration, and that was around 2009-10. There was no Pro-Scrub/Power Scour/Turbo Zone (KitchenAid, Whirlpool, Kenmore respectively) rear-tub mounted sprayer introduced until the tall tub was around for a couple of years. If yours is a tall tub that still has a disposal blade, you probably caught the last of the Point Voyager version as they were being phased out, but it is still a horizontal shaft, although the motor is much larger than the one being used in the new WP/KA resource saver models.
 
I bought the KA Feb  2013, was supposed to have been a 2012 model.  

 

Four arm lower wash arm, Pro-scrub zone in the back, tall tub, 

"Food disposer based wash system has four stainless steel blades to grind food particles which are flushed down the drain at the end of they cycle. "  It had current specs through the first of this year.  Now that model is showing the filtered wash system. 

 

I do know it was a vertical shaft motor, I was the one that wired, plumbed and installed it.

 

I will pull the ID when it finishes the dinner dishes. 

[this post was last edited: 6/29/2014-20:55]
 
A few

points to clear up regarding:

*Whirlpool, Kenmore & Amana dishwashers.....current models are equipped with the single speed filter based wash pump & motor shown earlier. Certain models have alternating wash arms, others operate all spray arms at once

*Jennair, certain KitchenAid & Kenmore Elite....use a variable speed filter based wash pump & drain motors. These are the quietest operating models. Alternating spray arms

*Until the recently launched 2014 line of KitchenAid dishwashers, there were certain models that had the 4 blade disposer based wash system in addition to filter based models. With the 2014 line, they are all filter based units with alternating spray arms.

*Maytag dishwashers feature the 4 blade disposer based wash system. New models are launching now with a quieter wash pump motor. All spray arms are active.
 
All in the name of energy efficiency. I still don't get why Euro type designs such as (Boschs?) that will fill a reservoir attached to the outer tub with water during the end of the main wash to transfer heat over. The reservoir is dumped in the tank for the rinse. That way energy is saved without having to resort to other more drastic 'improvements' like 80 watt motors.

Energy efficiency isn't even the whole reason. Getting the appliances to use less water and electricity at any point (I stress point) in time is an ultimate goal. Why so? That means less needs to be spent in infrastructure improvements. Appliances that draw a cup of water and pull what a night light does means that 100 year old water main can go another 20 years. Fewer sewage plants need to be built. Less power plants. Its not so much manufacturers that are doing this but government regulations supported by our own tax dollars.

IMO I don't think Whirlpool and competitors wanted this. If they could they would continue to sell what consumers look for. What consumers are used to. I know lots of AW.org folks will say consumers don't think about appliances caring nothing if the product does its job or not, and while I do agree, not entirely. Every time I go shopping I hear people complaining. Common one for DW is filters. Its no secret older machines were disposals, and people want that feature. Time bothers others. Locking lids, washers that don't fill with the lid open, long cycles, impeller washer that don't clean or tear clothes, moldy front loads (though Im hearing far less of that)... More of anything its being forced on consumers. Saving energy now trendy, but its not looking to good with todays cheap plastic that cant even get the basics right.
 
I don't think you could have said it better chetlaham. I've preached time and again: Why is money being funneled into trying to make appliances use less and less, when instead that money could be invested on finding and engineering better, more efficient ways to produce energy and refine our water. Building a machine that is more efficient is ultimately a good thing, but it's being pushed to all the wrong limits. Just like you said though, they'd rather just say "use less" rather than update our ancient power grids and water treatment methods. I think, and hope, that it will reach a breaking point. With electricity, I'd gladly take a motor that can output the same power and volume as an older one, but only use a penny's worth of energy, but as far as water, there's only so little you can use before the job isn't being done at all. And what are they going to do? Tell physics to change so that a drop works the same as a gallon? Tell humans and plants that they have to evolve to need less water? I don't think so, although I wouldn't be surprised if they tried.

At the bottom of it all I don't blame the manufacturers. They receive funding only on machines that meet those strict regulations. Anything that doesn't is out of the company's pocket, which may be why the "BOL" Whirlpool agitator model is $500, when that used to be average price for a higher end machine. I am glad that they still offer that model though, because it at least still gives the consumer a choice if they want a washer that still works like a washer. If Whirlpool were to drive sales and features to the new trendy HE dishwashers, but have one model that was a standard tub PowerClean, with basic cycles/features like Heavy-Normal-Light and Hi Temp wash, I would absolutely pay more for it. As with anything in the consumer industry, the consumer themselves should have a choice in what they're spending their money on.
 
False economy, stretching fractured infrastructure. Like that Minnesota bridge. New York City's water mains leak enough to fully supply most cities. Hardly worth several generations of ineffective appliances to keep a few dozen antiquated coal plants listed as 'adequate'.

And worst, why spend perfectly good money trimming ALL the trees when you can just wait until a storm knocks them into powerlines and it becomes obvious which ones needed trimming?

Speculation? Not. Austin TX has a very aggressive tree cutback policy and they also have one of the highest electric reliability rates in the country. I lived there 18 years and power never went out more than minutes. Even when a substation transformer exploded, they had the lights back on in a half hour. My first MONTH in DFW power was out more in perfectly clear calm weather than the entire time I lived in Austin. Oh, and the rates were below the nat'l average as well. It CAN be done right.
 
Tree triming

Trees need to be trimmed, if they weren't we would be losing power literally every day. Trees continue to grow until they touch something like an energized wire. You then get smoke fire and sparks with outages to boot. If is on super large high tension towers you get massive black outs. Tree trimming before hand needs to be done.

However, I agree, for the rates we pay we ought to have an ultra updated infrastructure. I have lived in towns that have municipal water, power, sewer and even garbage pick up. All of it is light years ahead of investor owned infrastructure. I never lost power, water never left red iron streaks in the sink. Sewer rates were actually lower as hard as that is to believe. Compare that to the behemoth companies that serve several states power outages are a norm for every thunderstorm.

Any way, about them 80 watt motors. By taking a machine that took 30 minutes to wash your clothes 2 hours or a DW that took 1 hours to do them now in "trendy green" 6 hours you spread that power consumption over time. Less energy over a longer period of time multiplied millions of appliances means you get more out of antique infrastructure. Appliance makers are even working on smart chip appliances, that, when a signal is given will automatically drop power/water usage. That equates to come summer heat wave grid operators can automatically control your own appliances because it was cheaper for you to buy something micro chipped then building a much needed power plant.

The real reason the energy star movement exits written above. Consumers are eating a bill for an infrastructure upgrade while they think its "just being green". It might be green if these machines lasted more than 5 years but they don't. Town dumps are now filling with machines that 5 years ago were the "future of ----- (insert your home appliance here)". Yes, I see that future. Overpriced plastic lasting 3-5 years singing cute jingles while your dishes/clothes come out looking like they did when you put them in.
 
Are you seroius? 3 hours for a normal wash? Well I quess people will use it overnight then i guess or if the need dishwashes fast, they will wash them by hand or use the 1 hour wash, if it doesnt pause to often to even get them clean on that cycle.... Our new dishwasher's normal cycle is 105 minutes (1 hour and 75minutes - 2.25 hours) which is......okay for us. And did anybody else notice that the heated dry option is completly optional? Because when heated dry was off it just completes the cycle without waiting the 32 minutes this is especially noticble in 1 hour wash.
 
"EU DW have no heated dry"

well, yes and no: European dishwashers do not have a dedicated heater for drying (and this saves a component) but the temperature of the last rinse is about 70°C (158F) and dishes are dried because they are hot (and that's why plastic does not dry in a dishwasher).

I suspect that heating the water of the last rinse uses more energy than a heated dry (heating the air) would
 
I doubt that...

Actually, final rinses are done at 65° usually. And giving the fact that a) there is not more than 4l of water to heat and b) heated drying takes the good part of half an hour, we end up with a somewhat tied situation: Better overall drying performance versus less energy usage and less chance of damage to dishes...
 
Very dissatisfied!

My mom has a Kenmore dishwasher with the new filtration system while my dad has the Whirlpool Gold dishwasher with the tried and true hard food disposer system! I can't believe that Whirlpool has jettisoned their hard food disposers in their dishwashers! Very dissatisfied!

 
I have a new Frigidaire mid range model with the digital display. Mine does alternate between upper and lower blades and it does pause too. I was wondering why it did that. Very interesting. I have to say though, that it cleans exceptionally well. The longest cycle is just about 2 hours which doesn't seem overly long to me. Even on the "Top Rack" setting, it's just over an hour and cleans great.

The GE machines still advertise the "Piranha" food disposer. Maybe it's better to get a cheap Hotpoint model. LOL. I almost did actually. I was going to ad some sound insulation to make it a little quieter. They are simple decent machines and still use a timer and manual buttons!
 
Strange pattern..

Our new kenmore actully performs pretty well. It has a filter in it. I've noticed there is a few second delay for the top sprayer. After resuming a cycle, you will hear the bottom spray arm turn on, but on top, you can hear water just spraying in one area. Few seconds later, the control board makes a clicking noise and then you can hear the water for the top sprayer moving around. This does not happen on the 1 hour wash cycle. Strange.
 

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