ESI ESRTPRF, User And Installation Instructions Manual, Page: 7 / 36

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Wireless Programmable Room Thermostats are ideal for
use in situations where it is not possible to hardwire the
programmable thermostat back to the boiler. E.g. retrofit
where walls are already decorated or not suitable for
chasing cable through.
Introduction to the ESRTPRF
The ESRTPRF is an easy to install and use 7 Day, 5/2 Day or
24 Hr Wireless Programmable Room Thermostat which
offers up to six time and temperature changes each day,
with different programmes available for weekdays and
weekends. It is designed to provide automatic time and
temperature control of heating systems in domestic or
light commercial premises. A large LCD screen and
easy-to-use function buttons ensures simplified program-
ming and operation for all users.
What is Delayed Start?
Thermostats with the Delayed Start function have been
shown to reduce heating costs by as much as 10%. This
feature delays the start-up of the heating, depending on
how warm the room temperature is at the time when the
central heating is due to come on.
The heating start can be delayed for up to an hour if the
room is already relatively warm, when the weather is
milder for example. This often reduces how long the
heating is on per day, with no comfort loss, saving you
energy and money! The delayed start feature can be fully
automated and needs no extra programming.
What is Optimum Start?
The Optimum Start adjusts the starting time for home
heating according to the temperature measured within
the building. Instead of setting an arbitrary time for the
heating to come on, the home owner programmes the