9
Neither does the setting affect how quickly the room cools down. Turning a
programmable room thermostat to a lower setting will result in the room being
controlled at a lower temperature, and saves energy.
The way to set and use your programmable room thermostat is to fi nd the lowest
temperature settings that you are comfortable with at the different times you have
chosen, and then leave it alone to do its job. The best way to do this is to set low
temperatures fi rst, say 18°C, and then turn them up by one degree each day until
you are comfortable with the temperatures. You won’t have to adjust the thermostat
further. Any adjustments above these settings will waste energy and cost you more
money.
If your heating system is a boiler with radiators, there will usually be only one
programmable room thermostat to control the whole house. But you can have
different temperatures in individual rooms by installing thermostatic radiator
valves (TRVs) on individual radiators. If you don’t have TRVs, you should choose
a temperature that is reasonable for the whole house. If you do have TRVs, you
can choose a slightly higher setting to make sure that even the coldest room is
comfortable, then prevent any overheating in other rooms by adjusting the TRVs.
The time on the programmer must be correct. Some types have to be adjusted
in spring and autumn at the changes between Greenwich Mean Time and British
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.
Programmable room thermostats need a free fl ow of air to sense the temperature,
so they must not be covered by curtains or blocked by furniture. Nearby electric fi res,
televisions, wall or table lamps may prevent the thermostat from working properly.
User Instructions
GB
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