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The general conditions to follow upon installation are the following:
Warning (see 3.7.2)
* The curves 1,2,3,4,5,6 could be set in the lower temperature;
* The curves 5,6,7,8,9 could be set in the upper temperature;
CURVE 1: under floor heating (radiant panels at ultra-low
temperature). Planned temperature 30/20°C.
CURVE 2-3: under floor heating (radiant panels, low temperature
radiant plate systems). Planned temperature 40/30°C.
If the room temperature is too cold during the
winter (while in spring the temperature is
adequate), it is necessary to enter a steeper
curve. To do this, press the reset button for 5
seconds and then press it repeatedly until the
letter “
FF
” appears (using the “+” and “-” keys).
In this manner, the curves may be selected
from 1 to 5.
Alternatively, if the building is too warm in the
winter, while the room temperature is
adequate in warmer seasons, it is necessary
to choose a less steep curve, adjusting it in
the same manner as above.
For buildings with standard insulation, materials and exposure, it is recommended initially that the straight line not be moved parallel to itself. If
a timer is installed, it is possible to set different temperatures for daytime and night-time. It is therefore possible to lower the temperature that
the P.C.B. calculates in relation to the values provided by the outdoor sensor by a quantity decided by the user for night-time operation. To do
this, it is necessary to select the night function “
uu
”, in the following manner:
- press the reset key for 5 seconds;
- press the same key again once to make the “
nn
” character appear;
- using the programming keys “+” and “-”, select a value from 0 to 12 depending on the amount of night-time lowering of the temperature
desired.
CURVE 4-5: conventional low temperature boilers (cast iron and
aluminum radiators, radiant plate systems). Planned
temperature 60/45°C.
CURVE 6-7: conventional low temperature boilers (cast iron and
aluminum radiators, radiant plate systems). Planned
temperature 75/60°C.
CURVE 8-9: boilers with higher temperatures (radiators, convectors,
fan coils). Planned temperature 90/75°C.
In the opposite situation (in which the building is too hot in spring and
adequately heated in winter), a higher curve (“
dd
” and “+”) must first
be chosen and then “moved” turning the heating temperature knob.
If the following situation occurs: with low external temperatures (e.g:
winter, -20°C) the building is adequately heated, but with favourable
climatic conditions (e.g: spring, +20°C) it is not sufficiently heated, it is
necessary first to choose a lower curve (“
FF
” on the display and then “-”)
and then turning the heating temperature knob.