Thread Number: 74107  /  Tag: Modern Automatic Washers
For those with a Kill-a-Watt Monitor
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Post# 978866   1/18/2018 at 16:29 (298 days old) by jcturbot (Central MA)        

While recently checking the wattage usage on my Bosch Nexxt Washer I not only saw my wattage go to almost 1100 watts used on the Hot water wash but was surprised to see that I had about 225 watts used on all three rinses. The Bosch uses a cold only rinse.

After checking the rinse temp in the water dispenser the cold water coming into the Washer was 42-44 degrees.

Now I know with Automatic Temp Control used on today"s machines the Wash temp is regulated but what about the rinse temperature?

With those with a Heater and a Kill A Watt meter be willing to check out their machines to see if the Heater is engaging on the Rinse cycle.

Jeff





Post# 978879 , Reply# 1   1/18/2018 at 17:30 (298 days old) by henene4 (Germany)        
Kill-A-Watt low power inaccuracy

Read somewhere that these meters give useless readings at the standby power levels of 1W or lower.

As during rinsng drum movement is reduced, about half of the rinse cycle time is spent with no consuming element running, which could cause some off reading.

But also keep in mind that high speed spinning cann pull a considerable amount of power.


Post# 978907 , Reply# 2   1/18/2018 at 21:44 (297 days old) by combo52 (Beltsville,Md)        

combo52's profile picture

225 Watts of power draw is about right for tumbling a load in wash or rinse, the power draw is probably a little lower during full speed spin.


Post# 979324 , Reply# 3   1/21/2018 at 12:45 (295 days old) by jcturbot (Central MA)        

Thanks for the info guys-

I checked over the last couple days in a Hot Wash,Warm Wash,and a Cold Wash cycle (which I never use), and in all three wash temp's the wattage draw was 220-260 watts on rinse so it doesn't look like the heater was engaging on rinse.

I just thought it was a bit odd as the wattage draw on the Wash cycle (with the Heater off) was around 160-190.

Maybe more watts used with a wetter rinse cycle?

Jeff




Post# 979583 , Reply# 4   1/23/2018 at 13:43 (293 days old) by marky_mark (Sitges, Barcelona)        

marky_mark's profile picture

Hi Jeff, I don't know exactly how your particular meter works, but I too have a plug-in meter.  With my meter, it doesn't display what I would describe as instantaneous consumption as such, but rather it updates its display every 5 seconds.  This means that the display is displaying the average consumption over the last 5 seconds on my meter.   So if the drum is rotating at the same speed during both wash and rinse, could it be that the pauses between tumbles are slightly greater during the wash?  Or perhaps the tumbles are shorter during the wash?  This could explain why the motor could potentially be using exactly the same amount of power to turn the drum during both wash and rinse, but the tumble patterns are very slightly different...?  Just another thought. 

 

My Miele W1 does engage the heater during the rinse on the QuickPowerWash (which will apparently be known on the US version as QuickIntenseWash).  The heater on mine draws over 2000 Watts, so it's clear to see.  My heater is either on or off, no in between.


Post# 979922 , Reply# 5   1/25/2018 at 18:19 (291 days old) by jcturbot (Central MA)        

Thanks marky_mark.

Jeff





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