2
Introduction
The chronothermostat CH150/151/152 measures the ambient temperature and regulates
the heating or conditioning plant to which it is connected. The mode of operation can be
chosen from among those preset, or can be personalised to meet one’s own requirements.
The conveniently sized display shows the temperature profile or pattern — that is, the
relationship between the time of day and the temperature to be maintained — the
temperature measured, the relative humidity, the calculated perceived temperature, the
time of day and the day of the week.
The chronothermostat is powered by batteries. The settings and data are stored in a non-
volatile memory that retains them even if the batteries are exhausted.
The chronothermostat is available in two versions that differ only in the current carrying
capacity of the relay contacts:
•
CH150
Chronothermostat with 5 A relay.
•
CH150-16
Chronothermostat with 16 A relay
For chronothermostats CH150 and CH150-16 the following external interfaces are
available:
•
Separate temperature probe;
•
Telephone activator for fixed phone line; this allows remote control from a DTMF
(multitone) keyboard;
•
Telephone activator with GSM modem, for remote control by SMS message.
Both activators make it possible to:
•
Interrogate the chronothermostat remotely to discover the ambient temperature and
the status of the heating or cooling plant;
•
To manage the operation of the chronothermostat remotely.
The various models are available not only in white but also in the colours silver (
series
CH151
) and anthracite black (
series CH152
).
Unless otherwise indicated, the instructions contained in this manual apply to all the
models of chronothermostat.
