6
Modes of operation
The chronothermostat CH150/151/152 has 4 different modes of operation — Manual,
Automatic, Holiday and Jolly — and OFF mode.
Manual mode of operation
In the Manual mode of operation, the chronothermostat regulates the operation of the
heating or cooling plant to maintain the same temperature always. To select Manual, press
the key MAN.
The temperature can be
altered during operation
by adjusting the bottom
rotary selector switch on
the right side of the
chronothermostat. The
temperature can be set
within the range from 2°C
to 40 °C, in 0.1 °C steps.
Automatic Mode of Operation
In the Automatic mode of operation, the chronothermostat regulates the operation of the
heating or cooling system following the patterns set for the various days of the week. To
select Automatic, press the AUTO key.
The three temperature levels used can be modified during operation by means of the rotary
selector switches on the right hand side of the chronothermostat.