Daikin Altherma 3 H MT F Installer's Reference Manual page 173

EPRA08~12EAV3+W1 + ETVZ12S18+23EA6V+9W
Daikin Altherma 3 H MT F
4P634887-1 – 2021.03
T
DHW
T = T
60
U BUH OFF
T
50
HP MAX
T
48
HP OFF
46
T
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 = 60°C
U
T = 50°C
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" [ 132])
"10.4.3 Slope-offset curve" [
10 Configuration
|
HP
2°C
2°C
t
HP MAX
4
133])
Installer reference guide
–[6‑01])
173