
94
User Guide
EN
26
27
28
6
25
5
Adjustment of the reference temperature
(T1, T2, T3)
The temperature/hours diagram (fig . 21) has three
reference values on the temperature axis: T1, T2
and T3 .
Default settings are:
For heating: T1=16 °C, T2=18 °C, T2=20 °C
For cooling: T1=22 °C, T2=24 °C, T2=26 °C
To change these values, press button
5
. Then
select the parameter to be modified (T1, T2 or T3)
and use the provided pen to adjust the temperature
cursor (fig . 27) . The side arrows allow fine-tuning in
tenths of a degree .
Note:
The value which can be assigned to each temperature
range is limited by the values of the next highest and
next lowest range. For example, if range T3 corresponds
to 20 °C and range T1 corresponds to 16 °C, the value of
range T2 may be between16.1 °C and 19.9 °C.
Adjustment of thermal differential.
The value of the thermal differential set on the ther-
mostats has a default of 0 .2 °C . This means that if the
temperature required by programming at a certain
moment is 20 °C, the start-up impulse will be sent
to the boiler when the programmable thermostat
measures a temperature of 19 .8 °C . The shutdown
impulse will be sent when the temperature reaches
20 .2 °C .
Use the provided pen to adjust the temperature
cursor; the side arrows let you fine tune the adjust-
ment in tenths of a degree .
Note:
The anti-freeze function is
NOT
active only if the con-
trol of the thermal regulation system is
COMPLETELY
disabled (see the chapter on control of thermal zones).
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