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Application guidelines
Installer reference guide
45
EPRA14~W1 + ETBH/9W
Daikin Altherma 3 H HT W
4P587501-1B – 2020.10
▪
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.
5.4.3 Setup and configuration – DHW tank
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For large DHW consumptions, you can heat up the DHW tank several times
during the day.
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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 booster heater
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For more information about:
-
Optimizing the energy consumption for producing domestic hot water, see
116].
-
Connecting the electrical wiring of the standalone DHW tank to the indoor unit,
see the installation manual of the DHW tank, and the addendum book for
optional equipment.
-
Connecting the water piping of the standalone DHW tank to the indoor unit,
see the installation manual of the DHW tank.
5.4.4 DHW pump for instant hot water
Setup
M
b
c
a
f
d
e
a
DHW tank
b
Cold water IN
c
Hot water OUT (shower (field supply))
d
DHW pump (field supply)
e
Recirculation connection
f
Motorised 3‑way valve (field supply)
▪
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
"To connect the domestic hot water
109].
