Displayed Values; Warning Messages - Caleffi 161010 Installationsanleitung Für Denqualifizierten Techniker

System 1/system 3 heating function with return temperature control
The room thermostat requests heating, TFcalculated = Yes.
System 1/system 3 heating function without return temperature control
The room thermostat requests heating, TFcalculated = No.
System 1/system 3 cooling function
The room thermostat requests cooling.
System 2/system 4 heating function
The room thermostat requests heating, the outside temperature is measured
and used to calculate Tf.
System 2/system 4 cooling function
The room thermostat demands cold, the outdoor temperature is indicated.

5.2 Displayed values

To read the values, briefly press the right key (✓) on the home screen.

5.3 Warning messages

TMax has been exceeded.
System pressure below the minimum value PMin.
Faulty probe warning
The cable of the corresponding probe is broken or has a short circuit.
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