What is a Programmable Room
Thermostat?
A Programmable Room Thermostat is a
thermostat and a timer (programmer)
combined into 1 unit.
With a standard timer, you choose your
heating ON times and set your room
thermostat to your desired comfort level. As a
Programmable Room Thermostat will do both
time and temperature control, you must
program this unit for ON programs and also for
OFF programs (also known as a SETBACK
temperature). The SETBACK temperature is
designed to prevent the temperature in the
household falling below a pre-set temperature
while your heating is off. This can narrow the
gap between your OFF temperature and your
ON temperature, meaning less energy will be
required to bring the house temperature back
up when the heating is ON. The recommended
SETBACK temperature (OFF) is 15c, although it
can be set higher or lower.
Introduction to the ESRTP4RFW
The ESRTP4RFW gives you the option of
choosing 24Hour, 7Day or 5-2Day programming
and either 4 or 6 daily temperature changes
(events). It is designed to provide automatic
time and temperature control of heating
systems in domestic or light commercial
premises. A large backlit LCD screen and
easy-to-use function buttons ensures simple
programming and operation.
Your ESRTP4RFW includes special features
designed to save you energy. These features
are factory set to be OFF to enable the end
user to choose which features are preferred.
These features only apply to your home
heating and not your hot water system.
Chronoproportional Control (TPI)
Chronoproportional or TPI room thermostats
make boilers operate more efficiently and
provide close accurate control.
Chronoproportional control is a load
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