ᐅ Setting the underfloor heating – desired temperature preference

Created on: 25 Feb 2018 21:41
N
nils1985
Hello dear forum,

I have the following problem in my new build.
My temperature sensor is turned all the way down.
However, I can’t tolerate the temperature in the living/dining room.
It is 25 degrees Celsius (77°F) here. How can that be?
I have already lowered the desired temperature setting on my boiler, but it doesn’t help.

I have one heating circuit for the kitchen, one for the dining room, and two for the living room. All open to one room. Is it correct or possible that all heating circuits are controlled by a single temperature sensor, or did they forget to install some?

Thank you very much!
M
Malz1902
28 Feb 2018 20:07
Yes and no, I think the last adjustment of the heating curve from 0.34 to 0.30 was too much. The bathroom temperature is now only 21.6°C (71°F).
M
Malz1902
1 Mar 2018 07:52
One more question: Does it make sense to replace the thermostatic radiator valves (TRVs) with others that have an LCD display, allowing me to set the target temperature with 0.5°C (0.9°F) accuracy? I plan to gradually switch everything to Homematic and came across this TRV: 143159A0. What do you think about it? Or is it not worth it?
M
Malz1902
1 Mar 2018 08:19
I just found a parameter in the heat pump
Influence of room temperature:
Setting range: 1% to 100%, currently set at 1%
If the system has a room temperature sensor:
This function allows you to select how much the room temperature influences the control system.
If no value is entered here, the control is based solely on the water temperature.
If the parameter is set to 100%, the control is based only on the room temperature.

Should I try changing something here?
K
Knallkörper
1 Mar 2018 08:21
You probably don’t have a room temperature sensor. Check that. Room thermostats are NOT temperature sensors in that sense. They do not transmit any data to your heating control system.
M
Malz1902
1 Mar 2018 08:33
Knallkörper schrieb:
You probably don’t have a room temperature sensor. Check that. The room thermostats are NOT temperature sensors in that sense. They don’t send any data to your heating control system.

You’re right, thank you very much!

How can I tell whether I have one or two heating circuits?
My heat pump only shows one. Wouldn’t it make sense, if there are two heating circuits for the ground floor and upper floor, to control them separately?

In any case, we have two heating circuit manifolds, one in the basement that covers the basement hallway and the entire ground floor, and another manifold upstairs.
Mycraft1 Mar 2018 10:48
You have only one heating circuit. This usually refers to the type of heating system.

For example, underfloor heating (even across multiple floors) = 1 heating circuit
Underfloor heating + radiators = 2 heating circuits

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