ᐅ Ground source heat pump with cooling function – controllable?

Created on: 29 Oct 2013 09:17
K
kaho674
kaho67429 Oct 2013 09:17
Hello,
we would like to install a geothermal heating system with a cooling function from a well-known manufacturer in our house. It can be controlled in the upper rooms (including bedrooms). On the ground floor, it is uncontrolled because the heat has to go somewhere when the heating is on. Now my question:
In the height of summer, we would of course like to cool the rooms, but primarily the rooms upstairs. Is it possible to close the heating circuit downstairs, for example with an additional valve, so that only the upper floor is cooled in summer?

PS: Please no discussions about the pros or cons of the cooling function. Thank you.
M
merlin667
29 Oct 2013 10:06
Well, I assume you have underfloor heating. In theory, you could install individual room controls and then adjust the rooms that get too warm accordingly (however, this would disrupt the balancing of the individual underfloor heating circuits).

On the other hand, if you have underfloor heating, you should have ball valves on each heating manifold for both supply and return pipes, as far as I remember. This means you wouldn’t interfere with the balancing.

The downside: unless you have electric valves, you’ll need to do this manually and remember to open them again in autumn.
€uro
29 Oct 2013 12:21
kaho674 schrieb:
..... since the heat obviously has to go somewhere when the heating is running....
Where is there heat when you actually want to cool? ;-)
kaho674 schrieb:
.....PS: Please no discussion about the pros or cons of the cooling function. Thanks.
This statement pretty much says it all ;-)
I wouldn’t want your investment costs, the overall effort required, or the excessive operating expenses!
Have fun with this economic money pit! :-)

Best regards
H
humi
29 Oct 2013 12:41
If I understand correctly, using a heat pump with a cooling function can hardly provide sufficient cooling, but you should definitely consider dehumidification. I hope you have taken that into account...
kaho67429 Oct 2013 12:41
€uro schrieb:

This statement basically says it all ;-)
I wouldn’t want to deal with your investment costs, the total effort required, or the inflated operating costs!
Have fun with this economic money pit! :-)

Best regards.

Although I am tired of this discussion, here is a clarification that might have been unclear: this is not a real cooling system like a refrigerator but just a simple circulation pump. It is smaller than my aquarium pump.
But as I have already specifically stated before, this misses the point. 🙄
€uro
29 Oct 2013 13:24
kaho674 schrieb:
.... but it’s just a simple circulation pump. It’s smaller than my aquarium pump.
But as I already emphasized BEFORE, this is off-topic.
When expressing opinions publicly here, you have to expect some pushback, even if it’s uncomfortable! ;-)
I personally don’t care about partly nonsensical individual setups; my concern is more about the public perception!
What cooling load is actually present here? Neither its scale nor the system’s capability to dissipate it seems to be ensured.
A pure DIY experiment that is hardly recommended for reliable replication!
Good luck with that ;-)

Best regards

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