Adapting the appliance to the heating system
94
Installation instructions geoTHERM 0020051574_04
9
Parameters
Description
Factory setting
Max. heating time
20 min
Max. DHW load time
40 min
Max. heating time
= Maximum time after which the
operation mode switches back to cylinder charg-
ing mode when there is still a parallel demand
present for DHW.
Max. DHW load time
= Time after which the opera-
tion mode switches from cylinder charging
mode to heating mode when a parallel demand
for heating is present.
20 min.
40 min.
Compressor hyster.
Compressor hyster.:
Forced switch-on of the compressor when:
Current flow temperature < Setpoint flow temperature
- Hysteresis
Forced switch-off of the compressor when:
Current flow temperature > Setpoint flow temperature
+ Hysteresis
7 K
Compressor starts
Compressor starts/h:
Maximum possible number of
compressor starts per hr (3 - 5).
3
Max. CH return temp.
46 °C
Max. CH return temp.:
Setting the limit of the return
temperature for compressor operation.
This function is intended to avoid unnecessary, short-
time compressor operation.
46 °C
Perm. temperature spread
Perm. temperature spread
: Max. permissible differ-
ence between brine inlet and outlet tempera-
ture. An error message appears and the com-
pressor switches off if it is exceeded.
If 20 K has been set, the function is deactivated.
20 K
Brine pump pre-run
Brine pump pre-run:
Time period by which the brine
pump switches on before the compressor.
1 min.
9.10 Parameters which can only be set with vrDIALOG
