7
Temperature T3
cannot
be less than temperature
T2 or more than 40 °C.
In Summer operation,
temperature T3
has an
upper limit of 30°C. If this
limit is passed, T3 takes
the value OFF, which
means switching off the
plant.
Temperature T2
cannot
be above temperature T3
or less than temperature
T1.
Temperature T1
cannot
be above temperature T2
or less than 2 °C.
In the absence of any
personalisation, the Automatic mode operates with the preset temperature patterns
memorised (see «Preset programmes »). To personalise the patterns, see «Programming
the chronothermostat».
Holiday Mode of Operation
In the Holiday mode of operation, the chronothermostat CH150 regulates the operation of
the heating or cooling system following a single temperature pattern which is the same
each day. To select Holiday mode, press the HOLIDAY key.
