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サーモスタット ESI ES2247BのPDF ユーザーマニュアルをオンラインで閲覧またはダウンロードできます。ESI ES2247B 20 ページ。 2 channel multi-purpose programmer
ESI ES2247B にも：取付説明書 (16 ページ)

What is a Channel Programmer?

Programmers allow you to set 'On' and 'Off' time periods.

Some models switch the Central Heating and domestic Hot

Water on and off at the same time, while others allow the

domestic Hot Water and Central Heating to come on and go

off at different times. Set the 'On' and 'Off' time periods to

suit your own lifestyle.

On some programmers you must also set whether you want

the Central Heating and Hot Water to run continuously,

run under the chosen 'On' and 'Off' heating periods, or

be permanently off. The time on the programmer must

be correct. Some types have to be adjusted in Spring and

Autumn upon the changes between Winter and Summer time.

You may be able to temporarily adjust the heating

programme, for example, 'Override','Advance' or 'Boost'.

These are explained in the manufacturer's instructions. The

Central Heating will not work if the room thermostat has

switched the Central Heating off. And, if you have a Hot

Water cylinder, the water heating will not work if the cylinder

thermostat detects that the Central Hot Water has reached

the correct temperature.

Introduction to the 2 Channel Programmer

This programmer can automatically switch your Central

Heating or Hot Water ON and OFF either 2 or 3 times a day,

at whatever times you choose. Timekeeping is maintained

through power interruptions by a replaceable internal battery

(by Qualified Installer/Electrician only) designed to last for