Daikin Altherma 3 H HT EPRA18DAW1, Руководство по установке для специалистов, Страница: 34 / 252

5 | Application guidelines
Installer reference guide
34
EPRA14~W1 + ET9W
Daikin Altherma 3 H HT F
4P587503-1A – 2020.01
For more information about connecting the recirculation connection, see "7.2.4 To
connect the recirculation piping" [
4
72].
Configuration
▪ For more information, see "9 Configuration" [
4
107].
▪ You can program a schedule to control the DHW pump via the user interface. For
more information, see the user reference guide.
5.3.5 DHW pump for disinfection
Setup
a
b
c
d
e
a Cold water IN
b Hot water OUT (shower (field supply))
c DHW pump (field supply)
d Heater element (field supply)
e Non‑return valve (field supply)
▪ The DHW pump is field-supplied and its installation is the responsibility of the
installer. For the electrical wiring, see
"8.3.5 To connect the domestic hot water
pump" [
4
98].
▪ If the applicable legislation requires a higher temperature than the maximum
tank setpoint during disinfection (see [2-03] in the field settings table), you can
connect a DHW pump and heater element as shown above.
▪ If applicable legislation requires disinfection of the water piping until the tapping
point, you can connect a DHW pump and heater element (if needed) as shown
above.
▪ To ensure a complete disinfection, you have to open the tapping point.
WARNING
When opening the tapping point, the water temperature can be up to 55°C.
Configuration
The indoor unit can control DHW pump operation. For more information, see
"9 Configuration" [
4
107].
5.4 Setting up the energy metering
▪ Via the user interface, you can read out the following energy data:
- Produced heat
- Consumed energy