Re: Central Vac overload

["John Simpson" <jasimp@xxxxxxxxxxxxx>]

"Jim Elbrecht" <elbrecht@xxxxxxxxx> wrote in message
news:q5p3r5dv1lutp0dbohi49trlt79nqcubd4@xxxxxxxxxx
> "Robert Green" <robert_green1963@xxxxxxxxx> wrote:
>
>>Some of you might remember my question about building a silencing cabinet
>>for a central vac.  Well, it worked, but too well.  The problem is now
>>that
>>if something gets stuck in the hose, we can no longer hear the immediate
>>increase in the motor load the way we used to.  On occasion, the unit's
>>motor even shuts down from the overload.
>>
>>Does anyone have any ideas how to detect the "laboring" of the motor so I
>>can sound a chime or some other alarm when something clogs the pope - I
>>mean
>>pipe - the Pope has enough problems of his own.  (-:
>>
> -snip-
>
> I haven't finished my second cup of coffee yet- but my instinct is go
> with 'lack of sucking'.   Put a vacuum switch just before the canister
> that triggers a bell/light/buzzer if it gets high.
>
> Or put one at the inlet that flashes in your face if air flow drops
> below a certain point.
>
> Jim

Or when it stops sucking dirt off the floor,  it's clogged!!


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