ESI ESRTP4 Istruzioni per l'utente - Pagina 7

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Introduction to the ESRTP4

1.2

The ESRTP4 is an easy to install and use 7 Day, 5/2 Day or

24 Hr Programmable Room Thermostat which offers four or

six time and temperature changes each day, with different

programmes available for weekdays and for weekends. 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 simplified programming and operation for all users.

Your ESi Controls Programmable Room Thermostat includes

special features designed to save you energy. These features

are factory set to be OFF to enable the homeowner to choose

whichever features are preferred. Also, please note these

features only apply to your home heating and not the hot

water system.

What is Chronoproportional Control (TPI)?

1.3

A chronoproportional (or TPI) room thermostat makes boilers

operate more efficiently and provide close accurate control.

Chronoproportional control is a load compensator as it

ensures that the boiler 'ON' time is reduced to a minimum

and matches the boiler heat output with the heat loss. This

reduces the net temperature of the return water to the

boiler. This is due to the TPI (Time Proportional and Integral)

advanced energy saving feature.

Rather than just a simple ON/OFF control, like other domestic

room thermostats, room thermostats with TPI increase

boiler efficiency by firing the boiler at regular intervals,

adjusting firing duration with demand, to maintain set room

temperatures. This gives them a great advantage over other

domestic room thermostats and achieves a constant ambient

environment for the user e.g. if a property only has a simple