Danfoss Heating
5
GB
The heating system will not work if a timeswitch or programmer has 
switched it off .
The way to set and use your room thermostat is to fi nd the lowest 
temperature setting that you are comfortable with, and then leave it 
alone to do its job. The best way to do this is to set the room thermostat 
to a low temperature – say 18°C – and then turn it up by one degree 
each day until you are comfortable with the temperature. You won’t 
have to adjust the thermostat further. Any adjustment above this 
setting will waste energy and cost you more money.
If your heating system is a boiler with radiators, there will usually 
be only one room thermostat to control the whole house. But you 
can have diff erent 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.
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.