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Determining size of existing heat pump

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Determining size of existing heat pump Dan 04-03-2008
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Posted by Dan on April 3, 2008, 4:40 pm
I recently bought a house with a Lennox heat pump, about 18 years old.
Model HP19-411-3P. I have the sticker from the HP unit & the installation,
operation & maintenance instructions. I've also looked at all the
labels/wiring diagrams on the inside of the unit's cover. Nowhere in any of
this is the tonnage of the unit mentioned. I can tell you it is charged wih
11lbs 3 oz of R22. Can anyone tell me the tonnage size of this unit, or
where I can find it? The Lennox site anly had the manuals I already have.
Don't think it matters, but the other components are heating element unit
ECB19-15-1Y & air handler CB19-41-1P.

TIA

Dan



Posted by PrecisioNmachinisT on April 3, 2008, 6:12 pm

> I recently bought a house with a Lennox heat pump, about 18 years old.
> Model HP19-411-3P. I have the sticker from the HP unit & the
installation,
> operation & maintenance instructions. I've also looked at all the
> labels/wiring diagrams on the inside of the unit's cover. Nowhere in any
of
> this is the tonnage of the unit mentioned. I can tell you it is charged
wih
> 11lbs 3 oz of R22. Can anyone tell me the tonnage size of this unit, or
> where I can find it? The Lennox site anly had the manuals I already have.
> Don't think it matters, but the other components are heating element unit
> ECB19-15-1Y & air handler CB19-41-1P.
>
>

19 is the series designation and capacity on this one is 41,000 btu so for
all practical purposes its a 3-1/2 ton unit

--



Posted by Dan on April 4, 2008, 2:00 am
> 19 is the series designation and capacity on this one is 41,000 btu so
> for
> all practical purposes its a 3-1/2 ton unit
>

THANKS!

Dan



Posted by PrecisioNmachinisT on April 4, 2008, 5:50 pm

> > 19 is the series designation and capacity on this one is 41,000 btu so
> > for
> > all practical purposes its a 3-1/2 ton unit
> >
>
> THANKS!
>

Good dependable unit for its time but seriously suggest start budgeting for
a new one--mine was roughly same series and age...a 5 ton--compressor went
south just prior thanksgiving two maybe three years ago.

--



Posted by on April 5, 2008, 7:54 am
I recently bought a house with a Lennox heat pump, about 18 years
old.
Model HP19-411-3P. I have the sticker from the HP unit & the
installation,


This unit is actually a 3 ton,old Lennox model numbers don't follow
the logic of using the BTU in the model number. Is this actually a
three phase condenser? The 3P usually means that.

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