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Application guidelines
Installer reference guide
35
EPGA11~16DAV3(7) + EA23DA6V(7)+9W
Daikin Altherma 3 H F
4P556075-1A – 2021.09
▪
The higher the outdoor temperature, the better the performance of the
heat pump.
-
If energy prices are the same during the day and the night, we recommend to
heat up the DHW tank during the day.
-
If energy prices are lower during the night, we recommend to heat up the DHW
tank during the night.
▪
When the heat pump produces domestic hot water, it cannot heat up a space. In
case you need domestic hot water and space heating at the same, we
recommend to produce the domestic hot water during the night when there is
lower space heating demand.
6.3.4 Setup and configuration – DHW tank
▪
For large DHW consumptions, you can heat up the DHW tank several times
during the day.
▪
To heat up the DHW tank to the desired DHW tank temperature, you can use the
following energy sources:
-
Thermodynamic cycle of the heat pump
-
Electrical backup heater
▪
For more information about optimizing the energy consumption for producing
domestic hot water, see
87].
6.3.5 DHW pump for instant hot water
Setup
f
a
g
h
i c
b
a
Indoor unit
b
DHW tank
c
DHW pump (field supply)
f
Shower (field supply)
g
Cold water
h
Domestic hot water OUT
i
Recirculation connection
▪
By connecting a DHW pump, instant hot water can be available at the tap.
▪
The DHW pump and the installation are field supply and the responsibility of the
installer. For the electrical wiring, see
"9.2.5 To connect the domestic hot water
▪
For more information about connecting the recirculation connection, see
"8.2.4 To connect the recirculation piping"
69].
Configuration
▪
▪
You can program a schedule to control the DHW pump via the user interface. For
more information, see the user reference guide.
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