End of holiday
(643, 653, 663)
Input of holiday end
Operation level
(648, 658, 668)
Selection of the operation level (reduced setpoint or frost protection) for the holi-
day programme
Note:
A holiday period ends each time on the last day at 12:00 AM (00:00). The
holiday programmes are only activated in the operation mode “ Automatic “.
Heating circuits
Comfort setpoint
(710, 1010, 1310)
Setting the maximum comfort setpoint in the heating phases. Without room sen-
sor or with the room influence (prog.no. 750, 1050, 1350), this value is used for
calculation of the flow temperature, to theoretically reach the set room tempera-
ture.
Reduced setpoint
(712, 1012, 1312)
Setting of the desired room temperature during the reduced heating phase. Wi-
thout room sensor or with the room influence (prog.no. 750, 1050, 1350), this va-
lue is used for calculation of the flow temperature, to theoretically reach the set
room temperature.
Frost protection setpoint
(714, 1014, 1314)
Setting of the desired room temperature during the frost protection operation.
Without room sensor or with the room influence (prog.no. 750, 1050, 1350), this
value is used for calculation of the flow temperature, to theoretically reach the
set room temperature. The heating circuit remains turned off until the flow tem-
perature drops so far that the room temperature falls below the frost protection
temperature.
Nominal line gradient
(720, 1020, 1320)
Using the heating curve, the flow temperature setpoint is formed, which is used
for control of the heating circuit, based on the outside temperature. The slope of
the curve indicates by how much the flow temperature changes with changing
outside temperature.
Determination of the heating curve slope
Determination of the heating curve slope: identify lowest the outside temperature
for the heating zone (nominally 0°C), find this on the horizontal axis in
Fig. 2
, then
find the desired flow temperature of the heating circuit (e.g. 80°C) on the vertical
axis. T
he intersecting point gives the value for the heating curve slope (e.g. 3.0) which
needs to be entered into prog. no. 720, 1020 and 1320 of hte boiler as required.
Programming
358 488 09.10
Gas-fired fuel value boiler EuroCondense three 125-300 kW
35
Summary of Contents for Eurocondense three
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