NOTE!
If time ranges overlap, the higher temperature is used, so that, for example, a ba-
sic temperature of 40 °C can be set for the whole day and is increased to 50 °C
at certain times.
NOTE!
Primary heat source.
If heater 1 is the primary heat source, the day curve must be adapted to guaran-
tee the desired minimum temperature. A PT1000 temperature sensor is required
for this function and can be sourced from Fronius under item number
43,0001,1188. The temperature sensor must be installed above the heating ele-
ment / external source to ensure a continuous supply of hot water.
Example
Time / desired temperature Application case
3.00 - 5.00 am / 45 °C So that hot water is available
for showering at 6.00 am.
After showering, the hot water
is only heated with surplus en-
ergy.
4.00 - 6.00 pm / 45 °C If there is not enough surplus
energy, the hot water is re-
heated for showering. After
showering, the heater is no
longer reheated to minimise
heat loss.
Temperature
limitation
If heater 1 does not have a configurable thermostat, this function can be used to
limit the temperature.
1
Enable the "Temperature sensor present" field
2
Enable the "Temperature limitation" field
3
Enter the maximum temperature (e.g.: 60 °C)
NOTE!
This function is only possible for heater 1.
If a second heating element is being used as heater 2, it must be equipped with a
thermostat. A PT1000 temperature sensor is required for this function and can
be sourced from Fronius under item number 43,0001,1188. The position of the
temperature sensor should be just above the heating element, so that the incom-
ing cold water is immediately heated again and thus the maximum amount of
storage is used.
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