SETTING THE HYSTERESIS
Selecting the hysteresis
Example
The hysteresis can be set between ± 0.2 K, 0.4 K, 0.6 K, 0.8 K and 1 K (factory setting 0.4 K) (K =
Kelvin). If, for example, the hysteresis is 1 K and the room thermostat is set to regulate to a tempera-
ture setpoint of 20°C, the room thermostat switches on at 19°C and switches off again at 20°C.
Personal:
•
Qualified electrician
1.
To set the hysteresis, press and hold both the top button (Fig. 1/4) and the bottom button (Fig. 1/7)
for five seconds.
The display for the switching differential symbol (Fig. 1/2) lights up on the display.
ð
2.
Press the top button (Fig. 1/4) to increase the hysteresis or the bottom button (Fig. 1/7) to decrease
the hysteresis.
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