Manual T*SOL basic 5.0 - Valentin Software

7 System Definition User Manual T*SOL
2. You can change the percentage split between the heating loops.
0% means, this loop is removed from the system.
3. Choose between:
percentage split supply between high- and low-temperature heating loops,
or you can also determine up to what percentage of the daily maximum only the low-temperature
loop supplies base load.
7.7 External Heat Exchanger
System Definition > External Heat Exchanger or system schematic
Image: Input dialog for the external
heat exchanger
The quality of heat exchange can be defined in this dialog. Either the kA value or a specific value of the
mean logarithmic temperature difference, from which the kA value can then be calculated, is entered. A
suitable value for maximum output is hereby calculated from the system parameters.
If you enter a kA value, this value is used for the simulation without conversion. The logarithmic
temperature difference is accordingly displayed, but has no further influence on the simulation.
In external heat exchangers for connection to a collector array, this value is calculated from 500 W/m²
collector surface area.
In external heat exchangers for connection of the buffer tank discharge to the DHW supply,
Pmax is calculated from the pump flow rates and the maximum possible temperature difference.
In heat exchangers for auxiliary heating of a swimming pool, Pmax is calculated by the power which
would be required to heat the swimming pool from the cold water temperature to the target swimming
pool temperature within 12 hours.
7.8 Anti-Legionnaire's Switch
System Definition > DHW Supply
Image: Input dialog for Legionnaire's
switch
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