Daikin Altherma 3 GEO Series - DHW Pump for Instant Hot Water; DHW Pump for Disinfection

5 | Application guidelines
Installer reference guide
41
EGSAH/X06+10UDA9W
Daikin Altherma 3 GEO
4P598592-1A – 2019.12
5.4.4 DHW pump for instant hot water
Setup
a
c
b
d
A
A Domestic hot water
a Cold water IN
b Domestic hot water OUT (shower (field supply))
c DHW pump (field supply)
d 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 "8.2.5To connect the domestic hot water
pump"[490].
Configuration
▪ For more information, see "10Configuration"[4128].
▪ You can program a schedule to control the DHW pump via the user interface. For
more information, see the user reference guide.
5.4.5 DHW pump for disinfection
Setup
c d e
a
b
A
A Domestic hot water
a Cold water IN
b Domestic 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 "8.2.5To connect the domestic hot water
pump"[490].
▪ 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.