28
■
The time phases for charging the heating water buf-
fer cylinder must cover all time phases for central
heating (for all heating circuits).
■
If you switch off heating of the heating water buffer
cylinder with the time program (all time phases are
deleted "- - : - -"), your rooms will not be heated.
■
We recommend that the heating water buffer cylinder
is heated continually.
1. Extended menu:
2. "System"
3. "Time prog buffer cyl"
4. Set the required time phases and operating status.
To see how to set a time program: see page 21.
Note
■
The heating water buffer cylinder is not heated
between the time phases. Only frost protection for
the heating water buffer cylinder is active.
■
When setting the time program, please bear in mind
that your heat pump requires some time to heat the
heating water buffer cylinder to the required temper-
ature.
Operating status for heating the heating water buf-
fer cylinder
"Standard"
■
The top section of the heating water buffer cylinder is
heated to the highest set flow temperature for all
connected heating circuits.
■
The set flow temperature of a heating circuit results
from the heating curve, the outside temperature and
the required room temperature.
"Reduced"
■
The entire volume in the heating water buffer cylin-
der is heated to the highest set flow temperature for
all connected heating circuits.
■
The set flow temperature of a heating circuit results
from the heating curve, the outside temperature and
the required room temperature.
"Fixd value"
■
The entire volume in the heating water buffer cylin-
der is heated to a fixed temperature.
Factory setting: 50 °C
Your contractor may have adjusted this value.
■
You can utilise the "Fixd value" operating status,
e.g. to heat up the heating water buffer cylinder with
economical night tariff power.
Note
Above a certain outside temperature, the heating water
buffer cylinder will no longer be heated in the "Fixd
value" operating status. Your contractor can adjust
this shutdown limit.
Heating curve/cooling curve
Further information can be found in chapter
"Terminology" in the appendix.
Setting curves for central heating/central cooling
Factory settings
"Slope" "Level"
Heating curve 0.6 0
Cooling curve 1.2 0
1. Extended menu:
2. "Heating" or "Heating/cooling"
3. If applicable, use / to select the required heating/
cooling circuit
4. "Heating curve" or "Cooling curve"
5. "Slope" or "Level"
Central heating/central cooling
Heating system with heating water buffer… (cont.)
5790940
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