LG ThermaV Owner's Manual page 31

• Weather controlled heating
Weather controlled heating means water temperature in the heater is adjusted to the current air
temperature. The lower the external temperature, the higher the heat loss and as a result a higher
temperature of water is required for the heating bodies (floor, wall or radiator heating...) to
compensate for the loss in heat.
The opposite is true in case of higher external temperatures. In this case the heat losses are lower
and a low temperature is required to compensate for the losses.
The weather controlled heating curve shows that the value for 'Return' depends on the temperature
of air outside the building. The lower the external air temperature, the higher the calculated needed
value for 'Return'.
In weather controlled heating you can set two parameters:
- Normal: With this parameter, you set the desired value for the parameter 'Return' while the external
temperature is -18 ℃
- Correction: With this parameter you can set the heating curve temperature while the external
temperature is 15 ℃. It is mainly important for transitional periods because the weather controlled
heating curve temperature can be too low at this time, depending on the building and desired
comfort.
The parameters Normal, Standby and Correction can be changed to the desired values using the
keys or .
Advanced settings
Owner's Manual 31