4. Settings
By no means does the controller replace the safety appliances on
site!
Tmin S1
Enable/start temperature at sensor 1:
If this value on the sensor 1 (collector sensor) is exceeded and the other conditions are not fulfilled, the controller will turn on the
affiliated pump or the valve. If the temperature on the sensor 1 falls 5 °C below this value, the pump or the valve will be turned off
again.
Priority Storage X
Priority of storages in a multiple storage system. This determines the order, in which the storages are charged. If the same priority
is set for 2 storages, the charging is not switched over until charging the active storage is not possible anymore.
Example: if several storages or storage areas in your system are integrated, you can specify a priority for each sensor of the stor-
age or the storage area. The "X" in the menu item priority S(X) indicates the sensor of the respective storage or storage area.
The priority for the first storage is thus set under priority S2 and for the 2. storage under priority S3.
ΔT Solar Storage X
Switch-on/switch-off temperature difference for sensor X: If the temperature difference ΔT solar between the reference sensors is
exceeded and the other conditions are fulfilled, the controller will turn on the pump/valve on the corresponding relay. If the tem-
perature difference falls to ΔT Off, the pump/valve will be turned off again.
If the set temperature difference is too small, this may lead to ineffective operation depending on the system and
sensor positioning. For speed regulation (see " Speed control " on page 20), special switch conditions apply!
Example: if several storages or storage areas in your system are integrated, you can specify ΔT for each sensor of the storage or
the storage area. The "X" in the menu item ΔT solar S(X) indicates the sensor of the respective storage or storage area.
ΔT solar for the first storage is thus set under ΔT solar S2 and for the 2. storage under ΔT solar S3.
Tmax S2
Switch off temperature at sensor 2:
If this value is exceeded on the sensor 2, the controller turn off the affiliated pump or the valve. If this value on the sensor 2 is
undershot and the other conditions are fulfilled, the controller will turn on the pump or the valve.
Temperature values which are set too high can lead to scalding or damage to the system. Scalding protection must be
provided by the customer!
In multiple storage systems, if the shut-down temperature S2 is exceeded, a downstream installed storage or storage area is
switched to.
Tmin Storage X
Switch-off temperature at sensor X at multiple storage systems
If this value is exceeded at sensor X then the controller switches the associated pump and/or valve off. If sensor 3 falls below this
value again and the other conditions are also met, then the controller switches the pump and/or valve on again.
Temperature values which are set too high can lead to scalding or damage to the system. Scalding protection must be
provided by the customer!
In multiple storage systems, if the shut-down temperature S(X) is exceeded, a downstream installed storage or storage area is
switched to.
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