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Author Topic: Standard temperature for pump electric motor. Please help.  (Read 2107 times)

slovakia

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Standard temperature for pump electric motor. Please help.
« on: June 26, 2019, 03:57:40 pm »
I was buy very old hot tube ( year of production is 1996  :) but it is made in USA  8) ) I make little maintenance and all running very well just water pump motor overheating.

Please what is standard temperature of running electric motor.

I check it by laser thermometer on flange (bearing place) 64C and 75C but on the body in the midle is 93C.

Please it is corect?






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Standard temperature for pump electric motor. Please help.
« on: June 26, 2019, 03:57:40 pm »

Jacuzzi Jim

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Re: Standard temperature for pump electric motor. Please help.
« Reply #1 on: June 27, 2019, 08:45:53 am »
 At 150f to 160 that us running pretty hot.  Does the internal switch shut it off, or does it keep running?

Tman122

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Re: Standard temperature for pump electric motor. Please help.
« Reply #2 on: June 27, 2019, 05:32:06 pm »
If it is running hot (there are a ton of variables that determine what is to hot) it should throw a breaker before it burns up.......assuming it is on a proper GFCI
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slovakia

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Re: Standard temperature for pump electric motor. Please help.
« Reply #3 on: June 28, 2019, 12:28:24 am »
Jacuzzi Jim: On the motor plate is information about thermally protection but never switch off it is overheat but running.



Tman122: Yes i have GFCI (current protector) 30mA but never switch off.

Jacuzzi Jim

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Re: Standard temperature for pump electric motor. Please help.
« Reply #4 on: June 28, 2019, 08:17:23 am »
 Yeah like Tman said a lot of variables there as to why it's over heating.   It looks pretty old?  I'd say you have 2 options, run it as is till it dies. Which guessing won't be long.
 Or I would replace it.  No idea price wise where your at, but it would be your best bet.

swilly1000

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Re: Standard temperature for pump electric motor. Please help.
« Reply #5 on: June 28, 2019, 11:54:42 am »
I read somewhere that the motor is designed to reveal when it's running hot by discoloring the casing (is that true?), which appears to be happening in your case. 


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Re: Standard temperature for pump electric motor. Please help.
« Reply #5 on: June 28, 2019, 11:54:42 am »

 

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