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Electric motor Oren 11-01-2007
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Posted by Oren on November 1, 2007, 3:37 pm
I replaced the electric motor on my pool pump a couple days ago.

After looking over the document that came with it I now see:

"Temperature around the motor should not exceed 104°F ..."

Well dang. I live in the desert and many days are 110° in the shade
during Summer:) On July 4th it was 116°. Homes around here don't have
pump houses and motors are exposed to the extreme heat. Granted, the
motor will not run all day in the Summer.

So, is this upper temp limit the maximum range for continuous/constant
operation or a point when serious damage starts to happen?

The motor has an auto thermal protection. Would this trip motor in
extreme heat like we have?

Thanks,

--
Oren

"If things get any worse, I'll have to ask you to stop helping me."

Posted by ransley on November 1, 2007, 4:16 pm
> I replaced the electric motor on my pool pump a couple days ago.
>
> After looking over the document that came with it I now see:
>
> "Temperature around the motor should not exceed 104=B0F ..."
>
> Well dang. I live in the desert and many days are 110=B0 in the shade
> during Summer:) On July 4th it was 116=B0. Homes around here don't have
> pump houses and motors are exposed to the extreme heat. Granted, the
> motor will not run all day in the Summer.
>
> So, is this upper temp limit the maximum range for continuous/constant
> operation or a point when serious damage starts to happen?
>
> The motor has an auto thermal protection. Would this trip motor in
> extreme heat like we have?
>
> Thanks,
>
> --
> Oren
>
> "If things get any worse, I'll have to ask you to stop helping me."

Wouldnt the pump pumping cool water help cool it, if it has thermal
protection dont worry id say.


Posted by Meat Plow on November 1, 2007, 4:19 pm
On Thu, 01 Nov 2007 11:37:50 -0800, Oren wrote:

> I replaced the electric motor on my pool pump a couple days ago.
>
> After looking over the document that came with it I now see:
>
> "Temperature around the motor should not exceed 104°F ..."

Motor make and model please?

Posted by Oren on November 1, 2007, 4:31 pm
wrote:

>On Thu, 01 Nov 2007 11:37:50 -0800, Oren wrote:
>
>> I replaced the electric motor on my pool pump a couple days ago.
>>
>> After looking over the document that came with it I now see:
>>
>> "Temperature around the motor should not exceed 104°F ..."
>
>Motor make and model please?

Emerson EB842 1.5 HP, PH 1, Volts 208-230, HZ 60

(*emersonmotors.com)

--
Oren

"If things get any worse, I'll have to ask you to stop helping me."

Posted by Meat Plow on November 1, 2007, 4:48 pm
On Thu, 01 Nov 2007 12:31:42 -0800, Oren wrote:

> wrote:
>
>>On Thu, 01 Nov 2007 11:37:50 -0800, Oren wrote:
>>
>>> I replaced the electric motor on my pool pump a couple days ago.
>>>
>>> After looking over the document that came with it I now see:
>>>
>>> "Temperature around the motor should not exceed 104°F ..."
>>
>>Motor make and model please?
>
> Emerson EB842 1.5 HP, PH 1, Volts 208-230, HZ 60
>
> (*emersonmotors.com)

The 56 series B842 has a full load ambient rating of 50 degrees Centigrade
which is 122 F.

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