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COOLING
TEMPERATURE
TIME
Switch-on point
T1 on
T1 off
Switch-off point
COOL FUNCTION IN TF-SWITCHING MODE
The „Cooling“ function is set if the set switch-on temperature is greater than the
switch-off temperature. The control is carried out by the relay T1 or T2.
Behavior of the relay T1 or T2
Abbreviations:
T1 measured temperature at the indoor sensor
T1 EIN setpoint of the switch-on temperature
T1 AUS setpoint for the switch-off temperature
Relay T1 is switched on when
T1 ≥ T1 ON
Relay T1 is switched off when
T1 ≤ T1 OFF
NOTE: Relays T1 / T2 or F1 / F2 are switched off if the indoor sensor or
outdoor sensor is defective or not connected.
Modes/ functions
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