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Carrier Geothermal | Domestic Hot Water andym 07-28-2007
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Posted by Geoman on July 31, 2007, 3:19 am

> wrote:
>
>>
>>.
>>> When its zero outside your geo will be running a bit more than normal
>>> due to the loss of temperature through the building.
>>
>>So, technically, can't one put evap coils on the outside of the home
>>instead
>>of siding and recover that heat?
>>
>
> I guess technically, you can do whatever you want. Depends where you
> live, what you think looks acceptable and the cost of that
> evaporative siding.
> A lot of areas dont have enough sun hours to make it worth while.
> Bubba

I was speaking about the heat loss, not the solar gain. Of course I'm making
a joke, but technically, if one were to put evaps on the outside of the
homes walls then technically wouldn't the cost of heating be lowered
substantially due to recovery of the heat being lost through the walls would
be recovered? OR, would costs go up because this would create a greater
temperature difference? Not that it matters, I was just thinking when you
posted your reply..



Posted by Geoman on July 30, 2007, 2:23 pm

> wrote:
>
>>In a domestic HWT....the top thermostat heats first...since heat rises,
>>then
>>when that thermostat is satisfied, it opens and at the same time it closes
>>the circuit tot he bottom. So both should de set at the same temp or
>>within
>>a few degrees. The Geo-thermal is to assist the HWT with whatever it can.
>>It
>>does not provide the main and enough heated water to do the job.
>>And since I have not seen the installation..the Geo might use the HWT tank
>>as a heat exchanger in some way to assist the GEO

Screw that idea, Use a separate pre-heat tank and really save bucks.


>>



Posted by =?ISO-8859-1?Q?Tekkie=AE?= on July 31, 2007, 9:23 pm
daytona° wrote:
> In a domestic HWT....the top thermostat heats first...since heat rises, then
> when that thermostat is satisfied, it opens and at the same time it closes
> the circuit tot he bottom. So both should de set at the same temp or within
> a few degrees. The Geo-thermal is to assist the HWT with whatever it can. It
> does not provide the main and enough heated water to do the job.
> And since I have not seen the installation..the Geo might use the HWT tank
> as a heat exchanger in some way to assist the GEO
>
> And then there is the other idea...I most likely don't know my ass from a
> hole in the ground
>
NEVER EVER admit to this! You either weren't told, misinformed or
misunderstood. Got it? ;)

Posted by Tony on July 31, 2007, 10:12 pm
Hi Andy I am not HVAC person but I do design and build cold packages.
So let me start to surprise must out there Carrier Mfg. are bunch
of scumbags by calming they system to be Geothermal, Geo stand for when
system
uses Ground water for cooling or heating, what you have is heat recovery
unit attached to your AC/Heat pump whichever.
Discharge of compressor is pipe through heater exchanger in the
some kind insulated tank, usually piping goes in and out on bottom of tank
your city water should be pipe in on side of tank but close to bottom
the water outlet from this tank should be close to top or on top
this will be preheated water that feed you hot water heater going in
this water temperature will be , how hot? it depend
on your AC system if is running and how much of heat load is on it
but it definitely should be warm and not cold unless your
AC unit is being shut down for while.
Tony
www.cas-environ.com





>I recently had a Carrier geothermal system installed in my new home.
> The question I have is about it producing hot water. There are 2
> pipes that connect to my hot water heater going into the system, HWG
> in and HWG out. The HWG in comes from the bottom of the hot water
> heater and the HWG out goes to top of the hot water heater. I've been
> unsure if the system is producing hot water like it should. The top
> pipe comming out of the geothermal system is always either the same
> temperature or colder than the pipe going in. I put a temperature
> prope on it to test it. Would this be right, shouldn't the top pipe
> coming out be hotter than the pipe going in? I tested it for several
> days now all throughout the day and this seems to be happening, even
> without running any hot water. It seems though that when we do run
> hot water, the pipe comming out of the system going to the hot water
> heater is very cold, yet the pipe coming in is hot to the geothermal
> system. Is this normal, and how else can I verify that the system is
> making hot water?
>



Posted by Bubba on July 31, 2007, 10:47 pm

>Hi Andy I am not HVAC person but I do design and build cold packages.
>So let me start to surprise must out there Carrier Mfg. are bunch
>of scumbags by calming they system to be Geothermal, Geo stand for when
>system
>uses Ground water for cooling or heating, what you have is heat recovery
>unit attached to your AC/Heat pump whichever.
>Discharge of compressor is pipe through heater exchanger in the
>some kind insulated tank, usually piping goes in and out on bottom of tank
>your city water should be pipe in on side of tank but close to bottom
>the water outlet from this tank should be close to top or on top
>this will be preheated water that feed you hot water heater going in
>this water temperature will be , how hot? it depend
>on your AC system if is running and how much of heat load is on it
>but it definitely should be warm and not cold unless your
>AC unit is being shut down for while.
>Tony
>www.cas-environ.com
>
Keee-Rist! Could someone Pleazzzze bring the translator back in?
Bubba
>
>
>
>>I recently had a Carrier geothermal system installed in my new home.
>> The question I have is about it producing hot water. There are 2
>> pipes that connect to my hot water heater going into the system, HWG
>> in and HWG out. The HWG in comes from the bottom of the hot water
>> heater and the HWG out goes to top of the hot water heater. I've been
>> unsure if the system is producing hot water like it should. The top
>> pipe comming out of the geothermal system is always either the same
>> temperature or colder than the pipe going in. I put a temperature
>> prope on it to test it. Would this be right, shouldn't the top pipe
>> coming out be hotter than the pipe going in? I tested it for several
>> days now all throughout the day and this seems to be happening, even
>> without running any hot water. It seems though that when we do run
>> hot water, the pipe comming out of the system going to the hot water
>> heater is very cold, yet the pipe coming in is hot to the geothermal
>> system. Is this normal, and how else can I verify that the system is
>> making hot water?
>>
>

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