Dhw Pump For Disinfection - Daikin Altherma 3 H MT F Installer's Reference Manual

6.3.5 DHW pump for disinfection

EPRA08~12EAV3+W1 + ETVZ12S18+23EA6V+9W
Daikin Altherma 3 H MT F
4P634887-1 – 2021.03
▪ For more information about connecting the recirculation connection, see
"8.2.4 To connect the recirculation
Configuration
▪ For more information, see "10 Configuration" [
▪ You can program a schedule to control the DHW pump via the user interface. For
more information, see the user reference guide.
Setup
a
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
4
pump" [ 104].
▪ 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
4
"10 Configuration" [ 116].
6 Application guidelines
|
4
piping" [ 77].
4
116].
b
c
d
e
"9.3.5 To connect the domestic hot water
Installer reference guide
39