Re: Central Vac overload

["Bob F" <bobnospam@xxxxxxxxx>]

Robert Green wrote:
> "B Fuhrmann" <b-fuhrmann-usenet@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in
> message news:5YKdnQ6vO-OZEynWnZ2dnUVZ_judnZ2d@xxxxxxxxxxxxx
>>> the "smart outlets."  My original concern was based on what I
>>> thought was a
>>> thermal overload kickout, but when I sealed up the unit I left
>>> plenty of room for airflow and even put in a small fan to make sure
>>> nothing overheated.  I realize now I ran those tests during an
>>> average vacuuming session that didn't include the occasional
>>> serious clog, so I will have to see what happens when I
>>> deliberately block the hose and monitoring the motor
>>> temperature.
>>
>> It is very possible that the power unit uses the filtered air from
>> the vacuum as cooling.
>
> Yep, when I tested the output flow with my hand, a clog caused the
> airflow to drop steeply and heat up quickly.  Very likely hose air
> used for cooling.

Is that the output from the vacuum or the motor cooling?

With no air flow, the air in the blower will warm up as it sucks up the motors
power, even without a motor being inside.