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SDC / DHC Operation
EN2H-0221GE51 R0808 35
At outside temperatures below the frost-protection limit (see
5.2.3 "System Parameters" menu, pg. 72) the heating circuits are
controlled as follows:
• Without wall devices: Based on a lowered room temperature
specification of 3 °C.
• With wall devices: Based on the room frost-protection limit of
the respective heating circuit of 10 °C (see "Direct Heating
Circuit" or "Mixed Heating Circuit 1", "Mixed heating circuit 2"
menu, parameter 08 = room frost-protection limit).
An active holiday program can be cancelled in case of early
return.
► Press and hold the button for approx. 3 seconds until the
following appears in the display: "Holiday off".
Current date
Current date... (current date + 250 days)
An active holiday program appears in the basic display with
information on the return date.
5.1.2.7 "System information" button
Calls up system information, such as temperatures and counter
data.
The information on the outside temperature appears first after the
¤ button is pressed. Turning the input button î causes the
system temperatures and the counter and consumption states
and operating states of the connected system components to
appear. Pressing the input button
î causes the respective
setpoint values to appear.
Collector flow temperature: No setpoint
Solar tank temperature: No setpoint
Outside temperature: Averaged value
The displayed information (see the following example) is
independent of the installed or enabled system components and
control circuits.
Control during
holidays
Cancellation
Factory setting
Setting range
Display
¤
Exceptions
NOTE