
27
Protective functions
For safety, the customer must provide an additional limiting thermostat-
which is connected to the pumps in series.
Caution
This is used as the upper limit for the reference flow temperature of the heat circuit.
Should the heat circuit temperature exceed this value, the heat circuit is switched off
until the temperature drops below.
Settings range: 30 °C to 105 °C / Default: 45 °C
This is used as the upper limit for the reference flow temperature of the 2nd heat circuit.
Should the heat circuit temperature exceed this value, the heat circuit is switched off
until the temperature drops below.
Settings range: Off, 30 °C to 105 °C / Default: 45 °C
7.4 max. flow
7.5 max. flow 2
To prevent unnecessary cool down of the system, the heating circuit is switched off
when the buffer temperature drops below reference temperature.
Settings range: On, Off / Default: Off
7.6 Discharge protection