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8.8. NEED FOR HEATING
The device connected to additional contact will be enabled in order to heat the valve when the pre-set valve temperature
cannot be reached. Once this option is selected, the user chooses the temperature sensor which will provide temperature
readings for this function.
If the temperature read from the sensor is lower than the pre-set valve temperature (more than one valve may be selected
at the same time), the device will be activated in order to increase the temperature at the valve.
Example:
The controller handles central heating system with CH boiler and three valves. Gas boiler is connected to voltage-free
contact with Heating need function. The pre-set valve temperature is 50°C. The sensor selected for Heating need function
is T4 (CH). When the CH boiler temperature drops below 50°C (CH boiler cannot increase the valve temperature in order
to reach the pre-set value) the controller will activate the heater.
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