10 | Configuration
Installer reference guide
189
EPRA14~18DAV3+W1 + ETVH16SU18+23EA6V
Daikin Altherma 3 H HT F
4P644738-1 – 2021.02
# Code Description
[5.C] [0-0E]
[0-0D]
[0-0C]
[0-0B]
WD curve:
T
DHW
T
a
[0-0C]
[0-0B]
[0-0E] [0-0D]
▪ T
DHW
: The desired tank temperature.
▪ T
a
: The (averaged) outdoor ambient
temperature
▪ [0-0E]: low outdoor ambient temperature: –
40°C~5°C
▪ [0-0D]: high outdoor ambient temperature:
10°C~25°C
▪ [0-0C]: desired tank temperature when the
outdoor temperature equals or drops below
the low ambient temperature: 45°C~[6‑0E]°C
▪ [0-0B]: desired tank temperature when the
outdoor temperature equals or rises above the
high ambient temperature: 35°C~[6‑0E]°C
Margin
In domestic hot water operation, the following hysteresis value can be set for the
heat pump operation:
# Code Description
[5.D] [6-01] The temperature difference determining the heat
pump OFF temperature.
Range: 0°C~10°C
Example: setpoint (T
U
)>maximum heat pump temperature–[6‑01] (T
HP MAX
–[6‑01])
t
T
DHW
T
HP ON
T
HP OFF
T
HP MAX
T
U
=T
BUH OFF
[6-01]
[6-00]
T
U
= 60°C
T
HP MAX
= 50°C
[6-01] = 2°C
[6-00] = 2°C
HP
BUH
HP
5
10
20
30
40
46
48
50
60
BUH Backup heater
HP Heat pump. If heating up time by the heat pump takes too long, auxiliary heating by
the backup heater can take place
T
BUH OFF
Backup heater OFF temperature (T
U
)
T
HP MAX
Maximum heat pump temperature at sensor in domestic hot water tank
T
HP OFF
Heat pump OFF temperature (T
HP MAX
−[6-01])
T
HP ON
Heat pump ON temperature (T
HP OFF
−[6-00])