1514
Thermostat with display
Installer manual
5 Functions and operating modes
5.2.1 Automatic changeover in automatic or manual mode (fixed set-point)
The switching from the heating to the cooling function, and vice versa, depends on the rules listed
in the following table (T° represents the measured temperature).
NOTE: the automatic changeover threshold has been set to 2°C.
Measured temperature Action
T° between (set-point + automatic changeover
threshold) and (set-point – automatic changeover
threshold).
It maintains the current function.
T° > (set-point + automatic changeover threshold). It switches to the cooling function. 2
T° < (set-point – automatic changeover function). It switches to the heating function. 3
SET-POINT
COOLING
HEATING
TIME
SET-POINT - AUTOMATIC CHANGEOVER THRESHOLD
SET-POINT + AUTOMATIC CHANGEOVER THRESHOLD
Example chart