The 3 Most Important Parameters - JUMO eTRON M Notice De Mise En Service

4.3 The 3 most important parameters

The example shows, how to set the device as a heating- or a colling controller.
If the heating- or cooling unit switches too often, the hysteresis should be increased.
Cooling
controller:
Setpoint:
Hysteresis:
switches ON above 9°C,
and OFF below 8°C
T/°C
9
HYS
SP = 8 °C
Relay K1
is energized
de-energized
t
ON
OFF
t
Heating
controller:
Setpoint:
Hysteresis:
switches OFF above
and ON below 69°C
T/°C
SP = 70 °C
HYS
69 °C
Relay K1
is energized
de-energized
OFF
70°C,
t
ON
t
11