6
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Application guidelines
Installer reference guide
43
EPRA14~18D + ET23E
Daikin Altherma 3 H HT F
4P644739-1A – 2022.03
6.4.5 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
"9.3.5 To connect the domestic hot water
110].
▪
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
123].
6.5 Setting up the energy metering
▪
Via the user interface, you can read out the following energy data:
-
Produced heat
-
Consumed energy
▪
You can read out the energy data:
-
For space heating
-
For space cooling
-
For domestic hot water production
Summary of Contents for ETVZ16E6V7
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