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

6 | Application guidelines
Installer reference guide
52
EPRA14~18D + ETVH/X16S18+23E
Daikin Altherma 3 H HT F
4P644737-1A – 2022.03
6.4.4 DHW pump for instant hot water
Setup
a
b
c
d
a Cold water IN
b 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 "9.3.5To connect the domestic hot water
pump"[4119].
▪ For more information about connecting the recirculation connection, see
"8.2.4To connect the recirculation piping"[491].
Configuration
▪ For more information, see "10Configuration"[4131].
▪ You can program a schedule to control the DHW pump via the user interface. For
more information, see the user reference guide.
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
pump"[4119].