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Posted by mcp6453 on September 25, 2009, 6:50 pm
The thermostat on my heat pump is temperamental and needs to be
replaced. Since it is simple to replace it, I intend to do it myself, if
I can purchase the correct replacement. How can I determine which one I
need? It doesn't have a model number on it anywhere. The manufacturer is
the same company that private labels them for Carrier and others
(Topline, or something like that.)
Home Depot and Lowes carry the Honeywell replacements that should work
fine, but I don't know which one to get. I'm not optimistic that if I
take the old one to the store with me that the salesperson would be able
to determine which one I need.
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Posted by RBM on September 25, 2009, 6:55 pm
show/hide quoted text
> The thermostat on my heat pump is temperamental and needs to be replaced.
> Since it is simple to replace it, I intend to do it myself, if I can
> purchase the correct replacement. How can I determine which one I need? It
> doesn't have a model number on it anywhere. The manufacturer is the same
> company that private labels them for Carrier and others (Topline, or
> something like that.)
> Home Depot and Lowes carry the Honeywell replacements that should work
> fine, but I don't know which one to get. I'm not optimistic that if I take
> the old one to the store with me that the salesperson would be able to
> determine which one I need.
I would open the unit and see which terminals have wires connected to them.
Check to see that any replacement has the same terminal letters as the ones
you require
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Posted by Nate Nagel on September 25, 2009, 6:57 pm
RBM wrote:
show/hide quoted text
>> The thermostat on my heat pump is temperamental and needs to be replaced.
>> Since it is simple to replace it, I intend to do it myself, if I can
>> purchase the correct replacement. How can I determine which one I need? It
>> doesn't have a model number on it anywhere. The manufacturer is the same
>> company that private labels them for Carrier and others (Topline, or
>> something like that.)
>> Home Depot and Lowes carry the Honeywell replacements that should work
>> fine, but I don't know which one to get. I'm not optimistic that if I take
>> the old one to the store with me that the salesperson would be able to
>> determine which one I need.
>
> I would open the unit and see which terminals have wires connected to them.
> Check to see that any replacement has the same terminal letters as the ones
> you require
>
>
Take a photograph of the wiring connections as they are before you
disconnect. Also consider getting a programmable 'stat if you don't
have one now just so you can be comfortable when you are at home but
don't have to feel guilty about heating/cooling the house when you're not.
nate
--
replace "roosters" with "cox" to reply.
http://members.cox.net/njnagel
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Posted by mm on September 25, 2009, 8:51 pm
wrote:
show/hide quoted text
>RBM wrote:
>>> The thermostat on my heat pump is temperamental and needs to be replaced.
>>> Since it is simple to replace it, I intend to do it myself, if I can
>>> purchase the correct replacement. How can I determine which one I need? It
>>> doesn't have a model number on it anywhere. The manufacturer is the same
>>> company that private labels them for Carrier and others (Topline, or
>>> something like that.)
>>> Home Depot and Lowes carry the Honeywell replacements that should work
>>> fine, but I don't know which one to get. I'm not optimistic that if I take
>>> the old one to the store with me that the salesperson would be able to
>>> determine which one I need.
Do they make more than one kind? I don't mean are there more than one
brand, or more than one set of features. Just that I thought all heat
pumps were alike.
show/hide quoted text
>> I would open the unit and see which terminals have wires connected to them.
Just to be clear, you mean the unit installed now.
show/hide quoted text
>> Check to see that any replacement has the same terminal letters as the ones
>> you require
>Take a photograph of the wiring connections as they are before you
>disconnect. Also consider getting a programmable 'stat if you don't
Last I heard, setback stats don't work with heat pumps, because they
put out so little heat, if you let them fall behind they can't catch
up. Was this true? Is it still true?
show/hide quoted text
>have one now just so you can be comfortable when you are at home but
>don't have to feel guilty about heating/cooling the house when you're not.
>nate
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Posted by trader4 on September 26, 2009, 9:20 am
> wrote:
> >RBM wrote:
> >>> The thermostat on my heat pump is temperamental and needs to be repla=
ced.
show/hide quoted text
> >>> Since it is simple to replace it, I intend to do it myself, if I can
> >>> purchase the correct replacement. How can I determine which one I nee=
d? It
show/hide quoted text
> >>> doesn't have a model number on it anywhere. The manufacturer is the s=
ame
show/hide quoted text
> >>> company that private labels them for Carrier and others (Topline, or
> >>> something like that.)
> >>> Home Depot and Lowes carry the Honeywell replacements that should wor=
> >>> fine, but I don't know which one to get. I'm not optimistic that if I=
take
show/hide quoted text
> >>> the old one to the store with me that the salesperson would be able t=
> >>> determine which one I need.
> Do they make more than one kind? =A0I don't mean are there more than one
> brand, or more than one set of features. =A0Just that I thought all heat
> pumps were alike.
> >> I would open the unit and see which terminals have wires connected to =
them.
show/hide quoted text
> Just to be clear, you mean the unit installed now.
> >> Check to see that any replacement has the same terminal letters as the=
ones
show/hide quoted text
> >> you require
> >Take a photograph of the wiring connections as they are before you
> >disconnect. =A0Also consider getting a programmable 'stat if you don't
> Last I heard, setback stats don't work with heat pumps, because they
> put out so little heat, if you let them fall behind they can't catch
> up. =A0 Was this true? =A0Is it still true?
That's an interesting question and it would seem to me it could be an
issue with heat pump systems. Setting the thermostat back overnight
is going to give you the most advantage when the temp difference
between inside and outside is greatest. And the lower the outside
temp the less efficient a heat pump becomes. So, when setting it
back would do the most good, it will also take longer to recover.
That would suggest that setting back heat pump systems in general will
lead to less percentage savings compared to other systems, ie oil,
gas.
Another factor is you need to be sure if it has electric aux heat that
setting it back doesn't result in that kicking in when it goes to
recover.
As far as thermostats, I would recommend a Honeywell VisionPro. They
are compatible with just about every kind of system, very programmable
with a use friendly LCD panel screen, and also have adaptive
recovery. That feature lets you set the thermostat for the time and
temp you want and the thermostat figures out how much earlier to
actually initiate the change so it will be at the desired temp at the
desired time.
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> Since it is simple to replace it, I intend to do it myself, if I can
> purchase the correct replacement. How can I determine which one I need? It
> doesn't have a model number on it anywhere. The manufacturer is the same
> company that private labels them for Carrier and others (Topline, or
> something like that.)
> Home Depot and Lowes carry the Honeywell replacements that should work
> fine, but I don't know which one to get. I'm not optimistic that if I take
> the old one to the store with me that the salesperson would be able to
> determine which one I need.