Daikin ERGA04EAV3A, Installer'S Reference Manual

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6 | Application guidelines
Installer reference guide
46
ERGA04~08EAV3(A) + EHBH/X04+08EA/EJ6V+9W
Daikin Altherma 3 R W
4P629085-1 – 2020.08
b DHW tank
c DHW pump (field supply)
d Heater element (field supply)
e Non‑return valve (field supply)
f Shower (field supply)
g Cold water
h Domestic hot water OUT
i Recirculation connection
▪ 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" [ 4 113].
▪ 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
"10 Configuration" [
4
124].
6.4.6 DHW pump for tank preheating
Setup
c
a
b
e
d
f
g
h
a Indoor unit
b DHW tank
c DHW pump (field supply)
d Non‑return valve (field supply)
e Shower (field supply)
f Cold water
g Domestic hot water OUT
h Recirculation connection
▪ 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
113].
▪ For the standalone DHW tank: If there is no electrical backup heater in the space
heating circuit, you must install a DHW pump for tank preheating.
Configuration
The indoor unit can control DHW pump operation. For more information, see
"10 Configuration" [ 4 124].
6.5 Setting up the energy metering
▪ Via the user interface, you can read out the following energy data:
- Produced heat
- Consumed energy