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Limiting value of outdoor temperature for summer operation
Room setpoint value
Reduced room setpoint value
Sustaining temperature
Heating utilization periods
A maximum of 3 heating periods may be entered for time-controlled operation (operating
switch set to the clock symbol), where the heating automatically switches over from rated opera-
tion to reduced operation (see chapter 4.3).
The default setting for daily rated operation is between 0700 and 2200 hrs. During this time pe-
riod the heating operates according to the preset heating characteristic (see page 41), governed
by the outdoor temperature.
In order to save energy during periods of non-use, e.g. at night, the heating switches over to re-
duced operation at 2200 hrs. During reduced operation the heating operates, for instance, with
a flow temperature reduced by 20 °C. (The values for reduced operation are preset as a reduc-
tion point, page 42, or reduction during reduced operation, page 43). After reduced operation
has ended, the heating switches back to rated operation at 0700 hrs.
From the COPA level
Press
to access parameter level PA1
Press
then
Press
until the heating time program is displayed
Time data can be entered in time blocks 1 – 7 (Mo n - Sun), 1 – 5 (Mon - Fri) and 6 – 7 (Sat – Sun)
or day-to-day 1 (Mon), 2 (Tue), 3 (Wed) etc. The desired block can be selected using the
keys.
Important: Time blocks entered can only be checked for day-to-day entry.
If, for checking, block type entry is called up, the controller automatically enters default valu-
es for the heating times!
44
(10 to 40 °C)
Optimizing mode 2, 3
Optimizing mode 3
(0 to 50 °C)
Only with optimizing, when
settings CO1 F 02 = 1 and for
flash adaptation F 03 = 1.
Description,
see
and flash adaptation, chapters
4.1, 4.2 and 4.4.
optimizing
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