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You can use the power from your photovoltaic system
(power generated on site) to operate the heat pump.
For this, you enable one or more functions.
To utilise power generated on site, select the appropri-
ate operating program for central heating, central cool-
ing or DHW heating, e.g. "Heating and DHW": See
page 20.
To increase the utilisation of power generated on site,
you can raise the set temperature for the following
functions or lower it for cooling:
Function Set temperature
Increase Setback
Standard DHW temperature
"DHW cylinder
heating"
"Set DHW cyl.
increase"
Higher DHW temperature
"Set DHW tem-
perature 2"
Buffer cylinder heating
"Heating htg
water buff cyl"
"Set htg water
buffer in-
crease"
Central heating
"Raise room
temperature"
"Set room
temp. in-
crease"
Central cooling
"Room temper-
ature cooling"
"Set room temp.
reduction"
Cooling the heating water/coolant buffer cylinder
"Coolant buffer
cyl cooling"
"Set cooling
water buffer
red"
1. Extended menu:
2. "PV ctrl strategy"
3. Select the required function, e.g. "DHW cylinder
heating"
4. Set the required temperature increase or tempera-
ture reduction. E.g. 10 Kelvin (10 K) for "Set DHW
cyl. increase" to increase the set temperature for
the standard DHW temperature from 50 °C to
60 °C.
Set DHW cyl. increase
Change with
10.0 K
+
Fig. 26
5. If required, repeat steps 3 and 4 for further func-
tions.
Note
If you enable several functions for the utilisation of
power generated on site, the functions for DHW
heating will have priority over the functions for cen-
tral heating/central cooling.
Activating "Set DHW temperature 2" is only appro-
priate if you have not set a time phase for the
"Temp. 2" operating status in the time program for
DHW heating: See page 35.
If you still have the "Temp. 2" operating status set in
the time program, your DHW cylinder may be heated
with electricity from the grid in these time phases.
In parallel to the utilisation of power generated on
site, a percentage of power can be drawn from the
grid for operating the heat pump. Your contractor can
enable this function.
Only for air/water heat pumps with output control:
To raise and lower the set temperatures, your con-
tractor can implement a setting that will automatically
match the compressor output to the amount of power
generated by the photovoltaic system. This optimises
the utilisation of power generated on site.
Utilisation of power generated on site and utilisa-
tion of excess power from the grid (Smart Grid) are
both enabled
If the utilisation of power generated on site and Smart
Grid are enabled and active simultaneously, the func-
tion with the largest temperature increase or reduction
is used: See page 49.
Power from a photovoltaic system
Utilising power from a photovoltaic system (power generated on site)
5817913
48


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