36
5.8 User recommendations / holidays
Keep radiators placed in the area with the room thermostat
always open.
The actual temperature and room temperature measured by
the thermostat may differ slightly depending on the installation
and position of the room thermostat . This may be the case, for
instance, when the thermostat is mounted on an outside wall.
Consult your installer for further information.
Night temperature setting
It is recommended not to set the night temperature more than
4°C below the day temperature. For installations with just
floor heating it should not be set lower than 2°C on account of
having to fire the boiler following the lower night setting.
Holidays / temporary fixed temperatures
When you leave home for a certain period of time and wish
to temporarily set a fixed low temperature, you can set the
thermostat to manual mode. Chapters 3.1 and 4.1 provide ad-
ditional explanations in this respect.
Weather dependent control
Usually the weather dependent control is active when an out-
door sensor has been fitted. You may check this by referring to
chapter 5.4 or checking whether the outside temperature (no.1)
is displayed. When you see an outside temperature displayed,
then an outdoor sensor is fitted. Also consult your installer if
required. When using the thermostat’s weather dependent con-
trol certain settings have a different meaning:
• The set temperatures T1, T2 and T3 no longer indicate the
required room temperatures but a shift on the heating curve.
When the set temperature is higher than 20°C, then the
central heating’s water temperature will get higher than the
one set by the installer. When the setting is lower than 20°,
the central heating’s temperature will also decrease (for in-
stance at night). Consequently, using the settings T1, T2 and
T3 you can either increase or decrease the central heating’s
temperature.
- T < 20°C: the central heating’s water temperature is getting
less warm.
- T > 20°C: the central heating’s water temperature is getting
warmer.
• If you want a temperature that is temporarily higher or lower
than the programmed heating curve, you can manually incre-
ase or decrease it temporarily. Chapter 4.5 refers.
Consult your installer for further information.
