5
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Application guidelines
Installer reference guide
46
EPRA14~W1 + ETBH/9W
Daikin Altherma 3 H HT W
4P587501-1B – 2020.10
▪
For more information about connecting the recirculation connection, see the
installation manual of the domestic hot water tank.
Configuration
▪
For more information, see
116].
▪
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
M
b
c
a
d
e
f
g
a
DHW tank
b
Cold water IN
c
Hot water OUT (shower (field supply))
d
Motorised 3‑way valve (field supply)
e
DHW pump (field supply)
f
Heater element (field supply)
g
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
"To connect the domestic hot water
▪
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.
Configuration
The indoor unit can control DHW pump operation. For more information, see
116].
