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10
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Configuration
Installer reference guide
194
T
DHW
T
= T
60
U
BUH OFF
T
50
HP MAX
T
48
HP OFF
T
46
HP ON
40
30
20
HP
10
5
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
Backup heater OFF temperature (T
BUH OFF
T
Maximum heat pump temperature at sensor in domestic hot water tank
HP MAX
T
Heat pump OFF temperature (T
HP OFF
T
Heat pump ON temperature (T
HP ON
T
Domestic hot water temperature
DHW
T
User setpoint temperature (as set on the user interface)
U
t Time
Example: setpoint (T
)≤maximum heat pump temperature–[6‑01] (T
U
T
DHW
T
50
HP MAX
T
=T
45
U
HP OFF
T
43
HP ON
40
30
20
HP
10
5
HP Heat pump. If heating up time by the heat pump takes too long, auxiliary heating by
the backup heater can take place
T
Maximum heat pump temperature at sensor in domestic hot water tank
HP MAX
T
Heat pump OFF temperature (T
HP OFF
T
Heat pump ON temperature (T
HP ON
T
Domestic hot water temperature
DHW
T
User setpoint temperature (as set on the user interface)
U
t Time
INFORMATION
The maximum heat pump temperature depends on the ambient temperature. For
more information, see the operation range.
WD curve type
There are 2 methods to define the weather-dependent curves:
▪
2-points (see
"10.4.2 2-points
▪
Slope-Offset (see
In [2.E] WD curve type, you can choose which method you want to use.
In [5.E] WD curve type, the chosen method is shown read-only (same value as in
[2.E]).
[6-01]
[6-00]
T
U
T
HP MAX
BUH
[6-01] =
[6-00] =
)
U
−[6-01])
HP MAX
−[6-00])
HP OFF
[6-00]
t
−[6-01])
HP MAX
−[6-00])
HP OFF
4
curve" [
154])
"10.4.3 Slope-offset
curve" [
= 60°C
= 50°C
HP
2°C
2°C
t
HP MAX
4
155])
EPRA14~18D + ETVH16SU18+23E
Daikin Altherma 3 H HT F
4P644738-1D – 2023.10
–[6‑01])
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