Daikin Altherma H Hybrid EJHA04AAV3 Installer's Reference Manual page 150

11 | Configuration
Domestic hot water control
Installer reference guide
150
that the entering water to the unit is around 30°C. Depending on the installed
application (radiators, heat pump convector, under floor loops) or situation, it is
possible to change the difference between entering and leaving water
temperature. Note that the pump will regulate its flow to keep the ΔT.
#
[A.3.1.3.1] [1-0B]
Only applicable in case of EHY2KOMB28+32AA gas boiler, and an optional domestic
hot water tank is installed.
This is always applicable for Switzerland.
Configuring the desired tank temperature
The domestic hot water can be prepared in 3 different ways. They differ from each
other by the way the desired tank temperature is set and how the unit acts upon it.
# Code
[A.4.1] [6-0D]
See "Domestic hot water control:
INFORMATION
There is a risk of a space heating capacity shortage/comfort problem when selecting
[6‑0D]=0 ([A.4.1] Domestic hot water Type=Reheat only).
In case of frequent domestic hot water operation, frequent and long space heating
interruption will happen.
Maximum DHW temperature setpoint
The maximum temperature that users can select for the domestic hot water. You
can use this setting to limit the temperatures at the hot water taps.
INFORMATION
During disinfection of the domestic hot water tank, the DHW temperature can
exceed this maximum temperature.
INFORMATION
Limit the maximum hot water temperature according to the applicable legislation.
Code
Heating: required temperature difference
between entering and leaving water. Range:
3°C~10°C
Domestic hot water Type:
▪ 0 (Reheat
allowed.
▪ 1 (Reheat
water tank is heated according to a schedule
and between the scheduled heatup cycles,
reheat operation is allowed.
▪ 2 (Scheduled only): The domestic hot water
tank can ONLY be heated according to a
schedule.
4
advanced" [
Description
Description
only): Only reheat operation is
sched.): The domestic hot
+
156] for more details.
EJHA04AAV3 + EHY2KOMB28+32AA
Daikin Altherma H Hybrid
4P531180-1D – 2025.03