39
Setting the time program for quieter operation
Further information can be found in chapter
"Terminology" in the appendix.
Factory setting: no time phase from 00:00 to 24:00 h
for every day of the week. The fan speed is not limited.
1. Extended menu:
2. "System"
3. "Time prog. noise red."
4. Set the required time phases and operating status.
To see how to set a time program: see page 21.
Note
■
The fan speed is not limited between the set time
phases.
■
If the setting for noise reduced mode is blocked,
"Cannot be changed" is shown for 4 s. Your con-
tractor can lift this block. You can call up a time pro-
gram set by the contractor under "Information".
Operating status for quieter operation
"Stage1"
■
The max. fan speed and, if necessary, that of the
compressor, are reduced by a small amount.
"Stage2"
■
Air/water heat pumps with separate indoor/outdoor
units and 2-stage air/water heat pumps:
As per stage 1
■
All other air/water heat pumps:
The max. fan speed and, if necessary, that of the
compressor, are reduced by a significant amount.
"Stop"
■
The heat pump does not operate. Central heating
and DHW heating are provided by the auxiliary
heater, e.g. electric booster heater.
Note
Available auxiliary heaters must be enabled, e.g.
electric booster heater: see page 37.
■
If no auxiliary heater is available, your rooms will not
be heated and DHW heating will not take place.
Air/water heat pumps
Air/water heat pumps /
5790940
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